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 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 now ›
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 now ›
My 4 year old daughter started antibiotics s thursday afternoon for scarlet fever. When will she not be contagious? Tounge blisters go away?
24-48 hours: Typically it takes 24 hours until she is. Or contagious. She will still have symptoms. They will take longer to resolve. ...Read moreGet help now ›
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 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 now ›
How long after fever breaks am I still contagious? (Should I go on car ride with friends if for sure fever free for 12 hours)
Generally, 24 hours: The period of contagiousness is variable depending on what sort of infection you have, but in general it is recommended to stay home from school, work and daycare until you are fever free for 24 hours without acetaminophen or ibuprofen. ...Read moreGet help now ›
My son started having symptoms of croup 48 hours ago. He was diagnosed by a Dr. today. His fever is gone now. How much longer will he be contagious?
Shedding for awhile: Viral shedding, or period of contagiousness, for these types of viruses can last weeks, and are shed through the upper respiratory structures. However, since most of the shedding occurs during the time that the person is feeling very sick and febrile, let your son's behavior and overall appearance be your guide. Most daycares and schools require a 24 hour fever free period (without medications). ...Read moreGet help now ›
If an adult has a cold with a slight fever and the fever is gone for 24 hours are they no longer contagious?
Usually: if you have no more symptoms you are likely no longer contagious ...Read moreGet help now ›
Think my son has HFM. Never had a fever. Already scabbed up. A few blisters still. Going on day 6. How long will it last?
Self limited. : HFM usually last a week to 10 days. Treatment is symptomatic with acetaminophen or possibly age appropriate ibuprofen and keep child hydrated. Should not last much longer but other children in household may get it. ...Read moreGet help now ›
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