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Doctor insights on: How Do You Know If You Have A Cold Sore

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How do you know if you have a cold sore...?

How do you know if you have a cold sore...?

cold sore: A cold sore is a lesion with blisters (lip, chin, cheek, nostril ; sometimes mouth) which causes burning, pain ; itching. It breaks open ; releases fluid that is teaming with the herpes simplex type 1 virus. ...Read more

Dr. Heidi Fowler
1,014 doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small, painful fluid-filled blisters that are usually found around the lips. Cold sores are generally caused by the herpes simplex virus 1 which is related to herpes simplex virus 2 that causes genital herpes. Cold sores are very contagious and can be spread by mouth to mouth contact. They can spread to the genitalia and cause genital ...Read more


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How do you know you have herpes and not cold sore?

Cold sores: Are caused by herpes simplex virus. If you have a cold sore or a fever blister you have herpes. ...Read more

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Can you have a cold sore that turns into impetigo?

Can you have a cold sore that turns into impetigo?

Not exactly: Most cold sores are caused by a virus while most impetigo is due to bacteria such as staphylococcus. One does not lead to the other. However, if you have a weakened immune system then you may be at risk to develop both of these problems around the same time. ...Read more

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Is it bad to kiss someone on the cheek of you have a cold sore? Even if there family?

It depends to the: immunity of the person who is kissed. A blood test can show if you already have the virus and you are immune to the virus or you do not have the virus and not immune to it. People with hsv (cold sore) virus will sometimes transmit the virus on days when there is no sore. But most of us carry this virus with no symptoms since we were children, thus we already have it and are immune to it. ...Read more

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If you have a cold sore does that mean you have herpes? Is it the contagious kind of herpes?

Yes: Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1). ...Read more

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