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Doctor insights on: Fever Blister Contagious Period

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Why do I get a fever blister when i get my period?

Why do I get a fever blister when i get my period?

Stress: Herpes virus are waiting for your immune system to weakens and they will surface. Generally any type of stress will weaken your immune system. ...Read more

Dr. Philip Miller
1,706 doctors shared insights

Blistering (Definition)

A blister is a collection of fluid under the epidermis. A blistering rash is one in which ...Read more


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Is hand mouth and foot disease contagious in the incubation period, before the first symptom of a fever ?

Is hand mouth and foot disease contagious in the incubation period, before the first symptom of a fever
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No: it spreads by contact with blister, coughing and sneezing in acute stage and post-infection via stool while it's shedding. http://www.cdc.gov/hand-foot-mouth/index.html ...Read more

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My 9 year old keeps getting fever blisters. Why? Are they contagious?

My 9 year old keeps getting fever blisters. Why? Are they contagious?

Yes: Fever blisters/cold sores are most commonly caused by the hsv1 virus which is very common and found in most people. The virus is contagious and some people are simply more prone to getting the "fever blisters" than others. There are some meds, including topicals that help decrease the duration of the symptoms and provide some relief. Best wishes. ...Read more

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2 yr old has HFMD. Started fri/sat. When will he stop being contagious? Fever gone, still has blisters on Wed. Ok for family event Saturday?

Hard to say: At 2, their general activities include mouthing toys and fingers and spreading saliva around their environment. Since HFV viruses can shed in the respiratory tract and saliva for 1-2 weeks after initial symptoms, so how and when they stop spreading the germ is difficult to say.It can persist for 4-6 weeks in the stool. ...Read more

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7 hrs after fainting and vomiting, fever blisters appered on my chin. Can this still be related to my episode? Or herpes? And is this contagious?

Stress: "fever blisters" are caused by herpes simplex and are contagious. We are all exposed to herpes simplex at a young age. Some people continue to have outbreaks during stressful times and with exposure to the sun. Others may never have repeated outbreaks. Your body was stressed due to the vomiting and fainting episode you had. Thus, the outbreak of herpes simplex. Valtrex will treat this. ...Read more

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If a fever blister on the roof of the mouth is gone, but the area is still tender is it still contagious?

If a fever blister on the roof of the mouth is gone, but the area is still tender is it still contagious?

Probably not: If no blister or vesicle is there, you are probably feeling the after effects of the lesion which should fade with time. ...Read more

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If a child has Hand, Foot, Mouth Disease and has blisters that are still erupting, but no fever. Is he or she contagious or no?

If a child has Hand, Foot, Mouth Disease and has blisters that are still erupting, but no fever. Is he or she contagious or no?

Hand/foot/mouth: Generally, a person with hand, foot, and mouth disease is most contagious during the first week of illness. People can sometimes be contagious for days or weeks after symptoms go away. This is why people should always try to maintain good hygiene (e.g. handwashing) so they can minimize their chance of spreading or getting infections. ...Read more

Contagious (Definition)

One is able to transmit an infection to another by ...Read more


Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever = elevated body temperature (can be ...Read more