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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
1,710 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

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My mother in law just had some dental work done and now she has a fever blister on her lip. Does this mean she has hsv-1 and is contagious?

My mother in law just had some dental work done and now she has a fever blister on her lip. Does this mean she has hsv-1 and is contagious?

Perhaps: If she had a previous history of hsv, then the stress of dental work can lead to a localized breakout. If it is hsv, then yes, she is contagious. Anytime there are active hsv lesions - oral or genital - then one is contagious. It's the fluid within the blister that contains the virus. ...Read more

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What is swine flu? What is the incubation period for swine flu, how contagious is it and how beneficial and effective is the h1n1 flu shot?

What is swine flu? What is the incubation period for swine flu, how contagious is it and how beneficial and effective is the h1n1 flu shot?

Swine flu revisited: Swine flu is one of the flu variants that has developed over the last 5-10 years. It just as contagious as the regular flu.As a matter of fact it is a component of this years flu shot and we considerate to be about 85percent effective. ...Read more

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How long after symptoms of flu show is it contagious for. And how long is the period of seeing if you will get it?

How long after symptoms of flu show is it contagious for. And how long is the period of seeing if you will get it?

2-5 day incubation : Influenza has a rapid onset and becomes infectious rapidly after symptoms are aquired. Tests for influenza become mostly positive when symptoms are prevalent ...Read more

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Can a fever delay your period?

Can a fever delay your period?

YES: Any low grade infection can cause a delay or irregularity of your cycle. ...Read more

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Should i be running a fever during my period?

Should i be running a fever during my period?

Possible: But not likely. If the fever persists see a doctor and be evaluated for a cause of the fever other than menses. Would need to know, however, what the degree of temperature elevation was, and what other symptoms may be associated with it. ...Read more

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How bad is typhoid fever? What diet is safe and how long should be the rest period?

Ut is serious infect: It is serious infection and needs to be treated with IV fluids and IV antibiotics and bed rest till the infection is cleared. ...Read more

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I got a fever 2-3 days before my period and I usually don't. Some kind of infection?

I got a fever 2-3 days before my period and I usually don't. Some kind of infection?

Possible: although you do not usually get a fever sometimes your period can elevate your temperature. Is your fever persisting? What other symptoms do you have? If the fever has resolved and you feel ok probably you can leave well enough alone. However if symptoms persist you should bel seen. ...Read more

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I'm on my period I have the worst pain and I have a high fever is that normal being on your period what sould i do?

I'm on my period I have the worst pain and I have a high fever is that normal being on your period what sould i do?

Could be normal: It could be normal, but if you never had pain with your periods and now you have it with high fever then it could be a sign of infection. Go to the er or see a doctor as soon as possible. ...Read more

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I have had period cramps with no blood for a week now. And I have had a fever of a 100 for 3 days. What can this be?

I have had period cramps with no blood for a week now. And I have had a fever of a 100 for 3 days. What can this be?

See your doc: If it is time for your period but no bleeding happens go see your ob/gyn. You may have a pelvic infection, or a bladder infection. You should get tested for std's. If you haven't use protection you could be pregnant. Sometimes a pregnancy can grow outside your uterus. Again; please see your ob/gyn! soon! ...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