How Long Does Herpangina Last in Children?

Last Editorial Review: 1/11/2018

Ask the experts

My daughter who is 3 yrs. old came down with a fever which reached up to 104.6F yesterday night. She had pretty much lost her appetite and she has what appear to be many small blisters in the back of her mouth and obviously the reason why even drinking liquids is extremely painful for her. She was diagnosed with herpangina once before but we will take her to doctor's anyway just to be sure. If this is herpangina, how long will she have a fever and when would she be expected to resume her pre-school classes? Thanks.

Doctor's response

Generally this type of viral mouth infection will last for 7-10 days start to finish with the first few days often the most bothersome for the child. The virus is spread from child to child via saliva and as such young children are more prone than older individuals.

Measures such as cool, soft items to drink and eat may be helpful (eg ice cream, popsicles, etc). Pain relief can also come from Tylenol or Advil/Motrin.


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