Doctor insights on:
How Long Is A Fever Blister 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 moreGet help from a doctor now ›
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 moreGet help from a doctor now ›
I got a fever blister inside my mouth 10 days ago. It has since gone down & healed, but i was wondering if i'm contagious?
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 moreGet help from a doctor now ›
If a fever blister on the roof of the mouth is gone, but the area is still tender is it still contagious?
My 4 year old daughter started antibiotics s thursday afternoon for scarlet fever. When will she not be contagious? Tounge blisters go away?
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 moreGet help from a doctor now ›
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 moreGet help from a doctor now ›
How long is a fever contagious? I had 102 last night and now I have 99. I work with children...Is taking a rest day a good idea
Yes: Most viral illnesses are likely spreading live virus in the saliva and respiratory secretions for up to 24 hours after the fever stops. Good hand washing and wearing a mask can contain most of the spread, but a 24 hour period fever free is considered the best way to stop spread. If the issue were something like strep throat, treatment would need to be underway for 24 hrs before it was contained. ...Read moreGet help from a doctor now ›
Hand, Foot & Mouth: Hand, foot, and mouth disease usually starts with a fever, poor appetite, a vague feeling of being unwell (malaise), and sore throat. One or 2 days after fever starts, painful sores usually develop in the mouth (herpangina). They begin as small red spots that blister and that often become ulcers. The sores are often in the back of the mouth. A skin rash develops over 1 to 2 days. ...Read moreGet help from a doctor now ›
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