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Conditions
Sore
Cold sore

Cold sore

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Also referred to as fever blisters, cold sores are small and painful fluid-filled blisters that are usually found around the lips. Cold sores are very contagious and can be spread by mouth-to-mouth contact and to the genitals, causing genital herpes through oral sex.

Dr. Geoffreysss Rutledgeee reviewed this

41 years experience

Is a type of:

Herpes virus infections • Herpes • Mouth disorders • Stomatitis • Sore

How long it usually lasts:

Short-term (lasts days to weeks)

How common it is:

Very common
Baby
0-2
Common
Toddler
3-5
Very common
Preteen
6-13
Very common
Teenager
14-18
Very common
Young adult
19-40
Very common
Middle-aged adult
41-60
Very common
Senior
60+
Very common

Body locations

Mouth

Symptoms

Fever
Headache
Fatigue
Skin blisters
Blisters in the mouth
Load more

Medications

Ratings show how effective doctors think these medications are at treating Cold sore
Valacyclovir
5
1 review
Acyclovir
3.5
6 reviews
Penciclovir
3
1 review
Foscarnet
1.7
6 reviews
Denavir
Load more

Other treatments

Symptomatic treatment

Tests

Herpes culture
Herpes simplex 1 and 2 igg and igm

Risk factors

Personal

Stress
Immunosuppression
Recent cough or cold
Recent cough or cold
Recent sore throat

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Can you tell me more about cold sore?

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