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Doctor insights on: How Do You Treat A Fever Blister

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How do you treat a fever blister under my lip where a part of my lip is swollen?

How do you treat a fever blister under my lip where a part of my lip  is swollen?

Acyclovir: A fever blister is likely a cold sore - caused by a herpes virus. The only way to treat it is to take acyclovir or valacyclovir - both prescriptions you can get from your doctor. There are OTC creams which also work in mild cases but understand that it is herpes and it will recur. There is no cure, it is lifelong. ...Read more

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Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever is the temporary increase in the body's temperature in response to some disease or illness. A child has a fever when the temperature is at or above one of ...Read more


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Could you tell me what's the best way to treat fever blisters?

Could you tell me what's the best way to treat fever blisters?

Valtrex (valacyclovir): Melissa officinalis or lemon balm (cream) has been shown in european studies to help expedite healing of cold sores. It can reduce healing time by half. Studies also show that regular use can help v recurrences. Brief supplementation with lysine 1, 000mg orally three times a day at the onset, can also hasten healing. Your physician can prescribe valtrex (valacyclovir). ...Read more

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How would doctors recommend i treat painful fever blisters?

This can help: Melissa officinalis or lemon balm (cream) has been shown in european studies to help expedite healing of cold sores. It can reduce healing time by half. Studies also show that regular use can help v recurrences. Brief supplementation with lysine 1, 000mg orally three times a day at the onset, can also hasten healing. ...Read more

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I started to notice fever blisters recently and i read it was a herpes 1 stimlax or some sort. Am i going to get them again? How do I treat it fast?

I started to notice fever blisters recently and i read it was a herpes 1 stimlax or some sort. Am i going to get them again?  How do I treat it fast?

Time will heal: It is true that this is caused by herpes simplex virus. Treatment is largely for comfort, and a product like orabase can be used, which uses a covering with a topical anesthetic. Anti-viral medications are very seldom used for "cold sores". It is a virus which resides in the nerve trunks of the facial nerves, and will recur. Good luck... 7-10 days... ...Read more

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Fever blister i've had them all my life and generally treat with valacyclovir. This one has been unusually hard to heal and has seemed to start over from the beginning when it was almost gone, and has seemed to start spreading away from my lip. I've also

Fever blister i've had them all my life and generally treat with valacyclovir. This one has been unusually hard to heal and has seemed to start over from the beginning when it was almost gone, and has seemed to start spreading away from my lip. I've also

Cold : Cold sores or fever blisters are caused by herpes simplex virus type 1 (hsv-1) and are extremely common. Most people become infected as an infant or small child when kissed or by sharing eating utensils with an adult who has the virus. The virus is most contagious when someone has a cold sore, but can still be passed along by someone who does not. Many people do not even know that they are infected because the virus can "hide out" in the nerve cells for very long periods of time - for some people it hides out forever and they never get a cold sore. For others, the virus can "wake up" and that's when a cold sore happens. No one knows exactly what causes a cold sore to appear - sometimes stress, illness, fevers, colds, sunlight, cold weather, menstruation, certain foods, allergies, you name it! they usually last 7-10 days and are more of an annoyance than a danger unless you have a weakened immune system or contract a bacterial infection on top of the cold sore (impetigo). If your cold sores do not resolve as usual in 7-10 days or seem to be worsening, you should see your doctor. You could be developing impetigo again or if you have another skin disease such as eczema, you may need more aggressive treatment to get your cold sores under control. Good luck! ...Read more

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I've been on amoxiclav for a week to treat strep and have 4 more days of medicine but I've redeveloped a fever (101.2) and throat blisters. Insights?

I've been on amoxiclav for a week to treat strep and have 4 more days of medicine but I've redeveloped a fever (101.2) and throat blisters. Insights?

Throat: Your throat infections may not be strep. It may be a virus. You may also be having s reaction to the antibiotic. Check in with your doctor. All the best. ...Read more

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I work with children and have been exposed to hand-foot-and-mouth recently. I have a fever of 101 and muscle aches/ unwell feeling, but no blisters or rash yet. Should I just treat it like a cold, or could hand-foot-mouth present like this in adults?

I work with children and have been exposed to hand-foot-and-mouth recently. I have a fever of 101 and muscle aches/ unwell feeling, but no blisters or rash yet.  Should I just treat it like a cold, or could hand-foot-mouth present like this in adults?

Hand foot: and mouth disease is caused by the coxsackie virus which may only give fever diarrhea or vomiting in adults may or may not give the rash you should be better in a couple of days drink more fluids and treat your fever appropiatly ...Read more

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What can I put on fever blister?

What can I put on fever blister?

Otc recs: A fever blister, assuming this is the correct diagnosis, is often confirmed by a culture showing herpes simplex virus. It tends to recur in the same location with excess stress and too much sun. Oral rx medications started early work best. Otc options include abreva topically and l-lysine which is a natural remedy. There are some reports of tea tree oil working but a lot of people get irritat. ...Read more

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How do I cure a bad fever blister?

How do I cure a bad fever blister?

Fever blisters: This is generally an outbreak of herpes simplex in the mouth on the lips or other areas of the mucous membranes. This can be treated with oral Acyclovir (suggest not using the topical applications because of risk of resistance and lack of efficacy in changing the course of disease), but generally only lasts 7-10 days. There are also topical anesthetics which can help with the discomfort. ...Read more

Dr. Philip Miller
1,673 doctors shared insights

Blistering (Definition)

Blistering is a bubble of skin filled with fluid. They can occur to excessive rubbing (as with a new pair of ...Read more