Cure

Aim to have a space about the width of your thumb between your longest toe and the front of the trainer. There should be room enough to move the toes freely. Since most people's feet swell slightly during the course of the day, it's better to shop for trainers towards the end of the day. It gives a better fit, although the self-conscious will want to give them a quick wash first! There's absolutely no doubt that avoiding a blister is better than treating one. For that reason, many people try to lubricate their feet in advance of exercise, employing powders, jellies, oils and glycerin.

Conclusion

Tests have shown that although these appear to be effective initially, they stop being so after about an hour. Indeed, because they are believed to trap moisture between the skin and the application, the effect wears off and they actually increase the amount of friction experienced. Rule of thumb says quick runs it may help a little; hour long runs or more – not at all. It's advised that you try on new trainers whilst wearing the same kind of sock you use when you train or run. Some socks can 'bunch up' which increases friction and others don't move moisture away from the foot. The view is that any of the socks on the market that wick moisture away from your feet will help and that thin is better than thick because there's less sweat. Many people benefit from using anti-blister socks that have a double layer and promise to reduce friction. Try them and see if they work for you.

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Prevention

Wear work gloves. Jobs you do only occasionally, such as shoveling snow or raking leaves, are great for raising a blister or two. Break in new shoes gradually and put petroleum jelly or an adhesive bandage on areas that take the rub before the blister happens. Wear socks that have heels instead of tube socks. Polyester or acrylic fiber socks are good low-friction choices. Because they don't breathe as well as natural fibers, however, you should wash and dry your feet after wearing them to prevent athlete's foot. If you become aware of a little' hot' spot on your foot, stop walking and put on a blister dressing such as compeed or similar at once. If you are at home then some ice wrapped in a cotton cloth can be used to give relief.

Treatment

The treatment of blisters varies some studies have shown that blisters heal faster when drained. Others say you should cover them with a dressing such as moleskin and let them heal by themselves. It is your choice. If a child gets a blister then you need to cover it with a dressing that covers a good area around the blister as well as the blister itself. After a couple of days all the fluid will be reabsorbed into the skin however be very careful when you remove the dressing that you don't damage the delicate skin underneath. Some blister treatments such as Compeed cover the area then are warmed by the hand, which improves their adhesive qualities, and they do not come of even in the bath until the blister has healed, when they drop off painlessly. It is worth asking in your local drug store or chemist, as they are particularly good for children. If your blister has burst by itself then you need to clean it with an antiseptic lotion before applying a dressing of your choice. If you get a blister that is very painful and shows no sign of healing after a couple of days and has yellow crusting around it is red outside the actual area of the blister oozes yellowy pus not fluid. Then take your foot to your doctor for a check-up as soon as possible.

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Formation of finger blister

Blister is a local swelling of the skin that contains watery fluid and is caused by burning or irritation. It is a raised bubble as on painted or laminated surface. In other words it is a puff swelling of the outer skin i.e. an epidermis due to burn, friction, or irritants like poison ivy. A response of the body to protect deeper tissue, blisters generally contain serum, the liquid component of the blood. The so called blood blister, however, forms over ruptured capillaries and therefore contains whole blood. It can also be named as a bulla. It is a defense mechanism of the human body. It consists of a pool of lymph and other bodily fluids beneath the upper layers of the skin. It may be formed in response to burns or friction, and helps to repair damage to the skin. If a blister is punctured, it forms an open wound and must be bandaged. If a blister is associated with sub-dermal bleeding, it may partially fill with blood, forming an unpleasant blood blister.

Prevention to be taken

Whether one should leave the blister or snip it away depends on where it is? In general, a friction blister is the most comfortable if one leave skin intact over it. If the blister is uncomfortably tight, or if its location means it will have pressure on it as one works, one must let the fluid out. One should either leave the blister alone, or open it completely. One should not stick a pin in it. It may lead to infection. If one is planning to open the blister then the person should clean the area with Beta dine. One should firstly, cut at least half of the blister open. Secondly apply the antibiotic ointment and plaster the flap back into position. Lastly, one should apply a dressing that puts light pressure on the blister area. Also one should apply a cold pack to it. When the pain subsides, one should apply padding or a splint to protect the injured area.

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Types of Blister Infections

Cold sores around the mouth are usually caused by HSV1. This form of the virus is usually transmitted from person to person by saliva or direct contact, like kissing or sharing eating utensils. In this form of herpes, blisters form on the lips and on the inside of the mouth, and soon develop into painful ulcers. The gums become red and swollen, and the tongue may develop a white coating. Other symptoms may include fever; muscle aches, eating difficulties, a generally ill feeling, irritability, and swollen neck glands. These symptoms can last from 3 to 2 weeks. After the first herpes infection, the virus can lie dormant without causing any symptoms for some time. But the virus can reactivate at a later time, leading to a tingling and numbness around the mouth, then a blister that breaks and forms a crust.

Symptoms

Symptoms typically begin with pain, tenderness, or itching in the genital area and also include fever and headache. Blisters soon erupt to form painful sores that last 1 to 3 weeks. Other symptoms may include: pain or a burning sensation during urination; a clear mucus-like discharge from the vagina or urethra (opening for urine) in females; a clear mucus-like discharge from the tip of the penis in males; and tender, swollen glands in the groin area. As with HSV1, after an initial outbreak of genital herpes blisters, HSV2 also remains dormant in nearby nerves and can be reactivated later in life. The symptoms of reactivated genital herpes are similar to those of first outbreak, but they're generally less severe.

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A distinguished characteristic

Blistering is a distinguishing characteristic of second degree burns. Certain autoimmune diseases feature extensive blistering. These include pemphigus and pemphigoid. Blistering also occurs as part of foodborne illness with Vibrio vulnificus i.e. seafood. The class of chemical weapons which is known as vesicants acts by causing blisters which is often within the respiratory tract. Mustard gas and lewisite are examples of such agents. One should go for the treatment immediately as blister has become unusually large i.e. bigger than a thumbprint on the hand. Also you should go to a doctor if a ruptured blister has foreign matter contamination. Also you should go for a check up if the blister is in a critical area.

Immediate care to be taken

Whether one should leave the blister or snip it away depends on where it is? In general, a friction blister is the most comfortable if one leave skin intact over it. If the blister is uncomfortably tight, or if its location means it will have pressure on it as one works, one must let the fluid out. One should either leave the blister alone, or open it completely. One should not stick a pin in it. It may lead to infection. If one is planning to open the blister then the person should clean the area with Beta dine. One should firstly, cut at least half of the blister open. Secondly apply the antibiotic ointment and plaster the flap back into position. Lastly, one should apply a dressing that puts light pressure on the blister area. Also one should apply a cold pack to it. When the pain subsides, one should apply padding or a splint to protect the injured area.

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Symptoms

The symptoms of herpes are often most severe during the first outbreak.

Initial Symptoms of HSV-II include:

The blisters often appear in groups, or clusters. Some people only get one blister sometimes. These lesions rupture on about the 5th day to form wet ulcers that are terribly painful to touch, and can be associated with painful sex, painful urination, pain in the lymph nodes in the groin and terrible pain in area of the blisters. In women, blister can appear on the vulva, around or in the vagina, or anywhere in the genital area. Initial symptoms and recurrent outbreak symptoms may include painful blisters on the genitals of sexes, thighs, or buttocks, tingling, and itching, fever flu-like symptoms, vaginal discharge, and painful urination, painful sex, and tender, enlarged lymph nodes in the groin.

Treatment

Genital herpes can not be cured. The virus will stay in your body forever, but it will remain dormant most of the time, if you are lucky. There is a treatment for it that your health care provider can prescribe. Acyclovir, an anti-viral drug, can relieve the symptoms faster than they would without the drug. Acyclovir or famciclovir (FAMVIR) will also shorten the amount time you are contagiousness and help you have fewer and shorter outbreaks in the future. Ask your health care provider about this drug if you have genital herpes it works very well for many people.

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Symptoms

The symptoms of a blister include, reddened and tender skin patch, raised lump filled with clear fluid. Sometimes, the lump is filled with blood. A blister is usually the body's attempt to cushion the underlying skin tissues from further damage during the healing process. Some common causes of blisters includes, ill-fitting shoes, friction, scalds or burns, severe sunburn, allergic reaction to irritants, viral skin infection. Blisters rarely need medical attention, unless they are severe, recurrent, caused by burns or indicative of an underlying infection.

Self treatment

One can also treat the blister on them self. One should resist the temptation to burst the blister. It could cause an infection, or hinder your body's healing process. If the blister has busted, one should not peel off the baggy skin pocket – let your body heal the area in its own way and in its own time. One should frequently wash the area and keep it free from dirt or irritants. If the site of the blister makes it vulnerable to popping, pad it with a soft dressing, securely taped. One should not use the tape alone, as removing the tape may rip the skin off the blister. One should change the dressing daily. Zinc cream also may help to dry up the blister. However, one should not use zinc cream with a dressing. If the blister breaks, one should press it gently to remove the fluid and apply an antiseptic to reduce the risks of infection.

Conclusion

If one becomes aware of a localized hot area on your foot, stop your sport and tape the area immediately. One should apply an appropriate foot sprays or powders to reduce sweating and the risk of fungal infections. One should change the damp socks promptly, as wet socks can drag against the skin. One should also wear a heavy-duty work gloves when using tools such as shovels or picks. Protect yourself against sunburn with clothing, hats and sunscreen lotions. Avoid contact with chemicals that have caused 'allergic' blisters to form. One should be careful when dealing with steam, flames or objects that radiate heat such as electric stovetops.

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Prevention

To prevent blisters to come up your way just moisten your feet. Similar to the sweaty skin, dry skin is also more prone to friction. For this use skin creams and lotions liberally on a daily basis to maintain proper moisture. Also always choose blister-free socks that take care of your feet. This is because synthetic socks wick moisture away from the skin. One can also use cotton which is lighter enough, but it also retains fluid. Socks with reinforced heels and toes are also helpful in reducing friction. One should, while running, run with a slick skin. You can coat your feet with products like Vaseline or any another lubricant before you run. Or in case you can also use second Skin, that is, a padded tape that stays on even when wet. Both the methods form a protective shield between your sensitive skin and the socks.

Conclusion

You should always wear two pairs of socks so that the friction occurs between the two socks, rather than between the socks and the skin. If your shoe now gets too tight, go up a half-size as long as your foot doesn't slide around, making blisters a possibility. Also wear shoes and socks that fit you properly. Shoes that are too small may cause blisters under the toes and on the ends of the toe nails. There should also be a thumbs width of space between the toes and end of the toe box. Your socks should fit you smoothly, with no extra fabric at the toes or heels.

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Signs of a throat blister

There are many symptoms, which show a throat blister. They may be, pain in the throat and difficulty in swallowing, or pain may spread to the ears. The throat turns reddish. The tonsils are swollen and may be coated. There can be possibly a high temperature. Swollen lymph nodes under your jaw and in your neck may occur. If the sore throat is due to a viral infection the symptoms are usually milder. Usually they are connected to the common cold. If the sore throat is due to the Coxsackie virus, small blisters may develop on the tonsils and in the soft palate. The blisters erupt in a few days and are followed by a scab, which may be very painful. If the sore throat is due to a streptococcal infection, the tonsils often swell and become coated and the throat is sore. The patient runs a temperature, has sour breath and may feel quite ill.

Trouble during a throat blister

Usually a throat blister causes no trouble and only lasts about a week, but the following complications may arise, namely, a secondary infection may occur in the middle ear or sinuses. If the sore throat is due to a streptococcus infection, there may be a rash. An uncommon complication is a throat abscess that usually occurs only on one side. In very rare cases, diseases like rheumatic fever or a particular kidney disease may occur.

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Causes of Blisters

Blisters form when the skin rubs against another surface, causing friction. First, a tear occurs within the upper layers of the skin forming a space between the layers while leaving the surface intact. Then fluid seeps into the space. Soles and palms are most commonly affected for several reasons. The hands and feet often rub against shoes, skates, rackets, or other equipment. Blister formation usually requires thick and rather immobile epidermis, as is found in these areas. In addition, blisters form more easily on moist skin than on dry or soaked skin, and warm conditions assist blister formation.

Treating Blisters

If you get a blister, the goal is to want to relieve pain, keep the blister from enlarging, and avoid infection. Signs of infection include pus draining from the blister, very red or warm skin around the blister, and red streaks leading away from the blister. Small, intact blisters that don't cause discomfort usually need no treatment. The best protection against infection is a blister's own skin. Larger or painful blisters that are intact should be drained without removing the skin. First clean the blister with rubbing alcohol or antibiotic soap and water. Then heat a straight pin or safety pin over a flame until the pin glows red, and allow it to cool before puncturing a small hole at the edge of the blister. Drain the fluid with gentle pressure, and then apply an antibiotic ointment such as bacitracin with polymyxin B or bacitracin alone. Avoid ointments that contain neomycin because they are more likely to cause an allergic reaction. Finally, cover the blister with a bandage.

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Remedies

Though the following remedies concentrate on blisters of the feet, many of these recommendations can be applied to treating friction blisters on the hands or on any other part of the anatomy where your body has said slowly down. Puncture gently with clean & sterilized needle and place a tiny bit of Neosporin or other similar ointment and place a corn pad and place over the blister until it heals. Cover with band-aid if you cannot get the adhesive to stick appropriately. Used to be a ballet dancer and this really helped with the rubbing and the pain.

Views of the doctors

One way to protect a tender blister without draining it is to cut a moleskin pad into a doughnut shape and place it over the blister. "Leave the central area open where the blister is," says Dr. Tanner. The surrounding moleskin will absorb most of the shock and friction of everyday activity. As long as the skin is clean and dry, the moleskin will adhere by itself. For those who wish to drain a blister, the first thing to do is clean the blister and surrounding skin, and sterilize your "instrument," whether it's a pin (needle) or a razor blade (we'll get to that subject in a minute). "I recommend alcohol to clean both," says Nancy Lu Conrad, D.P.M., a private practitioner in Circleville, Ohio. Other doctor's advice sterilizing your instrument by flame instead of alcohol; that is; simply heat the pin or razor blade with a match until it glows red (let it cool before touching the skin, however). Either method seems equally able to kill germs, or both come equally recommended.

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Types of blisters under tongue

Canker sores or blisters are tiny, crater-like lesions inside of the mouth that can appear on or under the tongue or inside the cheeks, alone or in a group. Minor canker sores or blisters affect about 20 percent of the population at any given time. The blister is generally small and oval with a gray center and a surrounding red, inflamed halo. Cankers have not been yet proven to have a viral origin and they are not contagious, or a sign of any other disease. They are very painful and irritating, but they do not tend to go away by themselves in about a week. It is still not verified by the scientists that what causes canker sores or blisters to appear. They seem more to be stress-related for some people, but stress can also be a side effect for the blisters. Heredity may play a vital role, and some women find that they recur at the same time each month during their menstrual cycle. Some people claims that food allergies instigate the blisters, and others blame a lack of Vitamin C in the diet.

More of the types

One last suspect is in the case of trauma, the kind that comes from biting your tongue or the inside of your cheek. What we do know about this is that there are over-the-counter topical medications that may ease the pain and hasten healing, but canker sores also will dissipate on their own with time. If blisters persist more than two weeks, one should go to the health care provider. Cold sores or blisters caused by HSV-1 are different than canker sores or blisters in that they are very, very contagious. HSV-1 is the virus is the one that affects the mouth and facial areas, although it can be transmitted to the genital area through oral-genital sex. The virus can also be transmitted through the direct contact with a lesion, also through the contact with a fluid from a lesion, and through contact with the virus even when no symptoms are present in the infected person.

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Causes

A cut or a scratch may turn into a blister-type sore that oozes a honey-colored fluid and forms a crust. This may be caused by impetigo, which most often develops on the face but can affect other parts of the body. Most broken blisters do not become infected if they are properly cleaned and cared for. Home treatment measures for cleaning and caring for a broken blister can reduce your risk of an infection. Call your health professional if you have a blister and signs of infection. A health professional can evaluate your symptoms and recommend treatment. Prompt treatment of an infection can help prevent serious complications.

Conclusion

A blister is a bubble of fluid under the skin. The clear, watery liquid inside a blister is known to be a serum. It leaks in from neighboring tissues as a reaction to injured skin. If the blister remains unopened, serum can provide natural protection for the skin beneath it. Small blisters are called vesicles. Those larger than half an inch are called bullae. A blood blister is filled with blood, rather than serum. Infections that cause blisters include bullous impetigo, an infection of the skin caused by staphylococci bacteria. Viral infections of the lips and genital area due to the herpes simplex virus. Chickenpox and shingles are caused by the varicella zoster virus and coxsackievirus infections, which are more common in childhood.

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Causes

Blister on lips normally forms on lips but in some patients it can extend into the nose, cheeks or even fingers. They rarely occur in the mouth but can. If they do form in the mouth, they appear on the gums or on the roof of the mouth about the hard palate. It is different from canker sores. Canker sores like to form on soft tissue that moves without bone underneath. Canker sores are not contagious. The herpes virus lives in the nerves that go to your lips and remain inactive until something stresses you out. This stress can be cold, problems in life, the beginning of a woman's period, fever, or overexposure to the sun.

Treatment

If untreated, most oral herpes clears up in about a week. Many patients tend to play with the sores, which may cause them to remain a few days longer. It is important to wash your hands after touching a sore because you can infect someone else with your contaminated fingers. As with any other virus infections, do not give children aspirin. It is possible for children with viral infections to develop Wry's syndrome after taking aspirin. If you sunbath, use sun block on your lips in addition to the rest of your body. This avoids damage to your lips and a possible later outbreak of herpes.

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Symptoms

Skin rash blisters symptoms are one or more bubbles of skin with clear fluid, ranging from pinpoint size to more that one-half inch in diameter. Depending on cause, blistering may be accompanied by pain, redness or itching. Cause of skin rash blisters are friction blister are caused by intense pressure or rubbing of exposed skin for a brief period of time. Burn blisters can be caused by a flame, steam, or contact with a hot surface, severe sunburns or exposure to other types of radiation. Contact dermatitis skin may blister when it comes in contact with chemical irritants, cosmetics, and many plant and animal toxins. Drug reactions may develop blisters as a reaction to taking certain oral and topical drugs.

Causes of blisters

Of the various autoimmune disorders known to cause blistering, three are the most common. Pemphigys vulgaris, which is a potentially fatal skin disorder, causes blister. Bullous pemphigiod causes less severe eruptions that heal faster and are not life threatening. Seen mostly in the elderly. Dermatitis herpetiform causes small, itchy blisters, a chronic condition that usually starts in early adulthood. Blisters are a common symptom of many infectious illnesses, including: chickenpox, cold sores, herpes simplex, shingles, impetigo, and fungus infections.

Other possible causes

There are many possible causes of a rash and any rash needs prompt investigation by a doctor or a dermatologist. Rashes can be caused by illnesses such as viruses like that of chicken pox or systemic conditions like that of lupus, by allergies such as hives or eczema, parasites like lice in scabies, by reactions to chemicals, and by numerous other causes. One of the most feared but less common rashes is that caused by meningococcal disease, which is a characteristic hemorrhagic rash, caused by bleeding of capillaries just under the skin. Any type of hemorrhagic rash is a medical emergency.

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Canker sores- Blister relief

Canker sores are usually red but sometimes they have a white coating over them. You might get them on the inside of your lips, the inside of your cheeks or under your tongue. Typical fever blisters or cold sores appear as a crop of blisters grouped in an area about the size of a five cent coin. His or her appearance may be preceded a few hours by a tingling, burning or itching sensation but not everyone experiences this so-called prodrome. Cold sores usually occur outside the mouth on the lips, chin, and cheeks or in the nostrils. When fever blisters do occur inside the mouth, it is usually on the gums or the roof of the mouth. Inside the mouth, fever blisters are smaller than canker sores, heal more quickly, and often begin as a blister. The blisters quickly dry to form an unsightly scab, which then heals in about five days. Generally there is no permanent scar or loss of sensation.

Fever blister- relief

Fever blisters and canker sores are two of the most common disorders of the mouth, causing discomfort and annoyance to millions of Americans. Both cause small sores to develop in or around the mouth, and often are confused with each other. Canker sores, however, occur only inside the mouth on the tongue and the inside linings of the cheeks, lips and throat. Blisters occur when feet get hot & sweaty, making socks stick to the feet. The sock and foot then rub against each other and the inside of the shoe. Fluid fills up a space between layers of skin to protect the area, like a small balloon. That's how a blister forms. People with diabetes may not be able recognize the painful event due to a condition called neuropathy. A doctor should attend to their blisters and burns.

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Causes of Blisters

Blisters form when the skin rubs against another surface, causing friction. First, a tear occurs within the upper layers of the skin forming a space between the layers while leaving the surface intact. Then fluid seeps into the space. Soles and palms are most commonly affected for several reasons. The hands and feet often rub against shoes, skates, rackets, or other equipment. Blister formation usually requires thick and rather immobile epidermis, as is found in these areas. In addition, blisters form more easily on moist skin than on dry or soaked skin, and warm conditions assist blister formation.

Treating Blisters

If you get a blister, the goal is to want to relieve pain, keep the blister from enlarging, and avoid infection. Signs of infection include pus draining from the blister, very red or warm skin around the blister, and red streaks leading away from the blister. Small, intact blisters that don't cause discomfort usually need no treatment. The best protection against infection is a blister's own skin. Larger or painful blisters that are intact should be drained without removing the skin. First clean the blister with rubbing alcohol or antibiotic soap and water. Then heat a straight pin or safety pin over a flame until the pin glows red, and allow it to cool before puncturing a small hole at the edge of the blister. Drain the fluid with gentle pressure, and then apply an antibiotic ointment such as bacitracin with polymeric B (double antibiotic ointment) or bacitracin alone. Avoid ointments that contain neomycin because they are more likely to cause an allergic reaction. Finally, cover the blister with a bandage. Change the dressing daily.

Prevention of Blisters

To prevent blisters, you need to minimize friction. For the feet, this begins with appropriate shoe and sock selection. Make sure your shoes are the right size and shape. Wear socks made from synthetic blends. Before you exercise, apply petroleum jelly or talcum power to reduce friction, if needed.

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After the occurrence of the blister

Once the blister has occurred, the main treatment is for the rigorous pain that can accompany the episode. Oral analgesics like Paracetamol may well are of help, but if oral medication is difficult, a drop such as Voltarol Ophtha may be of benefit. Silent rest, with the eyes shut is also helpful, since the eyelids form a bandage over the eye, and the reduced movement of the eye itself reduces further friction of the lids on the affected area. Anaesthetic eye drops such as Benoxinate should not be used as a treatment, since they delay the healing process, and the anaesthetic effect increases the danger of further trauma without the patient realizing it. Anaesthetic drops are used for examination of the eye, and in certain special cases, under the supervision of a clinician, can be used to help the patient carry out a specific task. However, the anaesthetist and operating staff must be made aware that drops have been instilled.

Prevention to be taken

Keeping the pad in place is a problem, since tape cannot be used. So, using Tubifast, Netelast, or conforming bandage is recommended, although regular checks that the pad is correctly in place is necessary, since the pad itself can cause friction and therefore further damage to the affected eye. Wearing sunglasses during an episode of corneal erosion reduces the problem of photophobia. When the eye is damaged, the iris of the eye goes into spasm, and as a result when the patient is in bright sunlight/ brightly lit room, the pupil constricts causing further spasm of the iris and resultant pain. If this pain is severe, instillation of a dilating drop such as Mydrilate relaxes the iris and reduces the pain. Routine application of lubricant gels or ointment every night whether there are eye problems or not, appears to reduce the incidence of erosions considerably. Lubricant drops for use during the day, as necessary, also appear to help.

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Causes of blisters

There are various causes of blisters. They may be either heat or moisture. The heat responsible for causing Blisters is mostly caused by the friction between your skin and the inner of your boot. Sand and gravel in your boot can increase friction which is why they also cause Blisters. Moist or wet feet from sweat or water are more susceptible to Blisters as moisture softens your skin.

Prevention of blisters

Preventing Blisters boils down to countering the factors that cause them. In general, keeping your feet cool, dry, and free of sand will do the trick. There are some tips to prevent occurrence of blisters. Firstly, select Hiking Boots with a good fit that do not chafe your feet or have painful pressure points. Choose watertight but breathable boots that give the proper ventilation that will get rid of excess moisture. Look for fully gusseted tongs that keep sand and gravel outside of your boots. For more information on choosing correct Hiking Boots, read our section on Hiking Boots and Buying Hiking Boots.

Other preventions

One should give the feet ample rest. If you feel that your feet might be moist or overheated, it might be wise to make some alterations to your Hiking Rhythm and take a longer Rest where you take off your boots and socks. If you do so, you might want to change socks and dry the ones you had on. Having two pairs of socks used alternately is always a good idea to prevent Blisters. If you decide to cool your feet in a stream or pool then make sure to dry them off well before you put on your socks and boots. When conditions allow it, take off your boots and socks and walk with sandals.

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Fever Blister Treatment – Penciclovir

Penciclovir 1% cream is FDA-approved for recurrent fever blisters. It is applied every 2 hours to the site for 4 days. Starting treatment within 1 hour of an outbreak reduced the time to healing by 2 days and reduced the symptoms. Penciclovir also decreases the duration viral shedding. The earlier Penciclovir is started the better the benefits, but improvement was still found when Penciclovir was started even after vesicles developed.

Fever Blister Treatment – Acyclovir

Acyclovir 5% cream is also FDA approved for the treatment of recurrent fever blisters. In studies, frequent application of the cream reduced the time to healing by about half a day. Oral acyclovir given 5 times a day for primary gingivostomatitis in children shortened the course from 10 days to 4 days and reduced the duration of fever, eating and drinking difficulties, and viral shedding. Using low dose oral acyclovir for fever blisters shortened the duration by about 1 day but did not affect pain. Using a higher dose and starting during the prodrome phase did have an effect on pain and duration.

Fever Blister Treatment – Suppression Therapy

Suppression therapy, taking medication every day to prevent outbreaks, is not yet FDA-approved. Studies have shown that people who have more than 6 recurrences or more per year can benefit from taking acyclovir 400 mg twice daily by reducing the number of recurrences and decreasing viral shedding. Other possibilities are famciclovir 250 mg twice a day or valacyclovir 500 mg once a day.

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