fever blister

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Related to Fever sore: fever blister

fe·ver blis·'ter

colloquialism for herpes simplex of the lips.

fever blister


fever blister

a cold sore caused by herpesvirus 1. It generally appears around the mouth or nasal mucous membranes following a febrile episode or cold. See also herpes simplex.

canker sore

One or more painful, recurrent ulcers of the oral cavity or vermilion border, preceded by tenderness and pruritus, which begins as an erythematous indurated papule that rapidly erodes, leaving an ulcer covered with greyish exudate. Time from onset to healing: ± 10–14 days.

fever blister

Any of the minute, often multiple, perioral vesicles filled with clear fluid, caused by HSV. See Canker sores.

fe·ver blis·ter

(fē'vĕr blis'tĕr)
Colloquialism for herpes simplex of the lips.

fever blister


her·pes la·bi·a·lis

(hĕr'pēz lā-bē-ā'lis)
Recurrent viral infection caused by herpesviruses types 1 and 2, producing lesions on the vermilion border of the lips.
Synonym(s): fever blister.

fever blister,

Patient discussion about fever blister

Q. Are cold sores contagious? My boyfriend has cold sores on his mouth. Can I catch it from him? If so, how can I prevent catching it?

A. Cold sores contain the HSV-1 virus, which is the herpes simplex virus . While your boyfriend has cold sores, he should wash his hands often, especially after touching his face. He shouldn't share cups and eating utensils with others since he is very contagious. You should not kiss him or touch the cold sores either, in order not to be infected.

Q. i just got over a cold sore using abreva is this best remedy to use? i didnt get a cold sore for while but i think problems lately have caused them to appear?

A. Yes, Abreva is a good choice for a cold sore. It usually helps with the itching and dryness. Next time, you should apply an acyclovir cream (Zovirax) straight from the beginning - when you get that itching or tingling even before the cold sore appears. It will make it go away faster.

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