How long does difficulty swallowing associated with herpangina last?

Usually 5-6 days: The throat lesions usually resolve in 5-6 days( range 3 to 10 days).

1 week: There is a 3-4 day incubation period, then the vessicles generally last about 1 week.

Up to 10 days: It can last up to 10 days. Keep your child hydrated and as comfortable as possible. Alternate Ibuprofen?and Tylenol (acetaminophen). Do not give your child Aspirin. If the ulcers in the mouth last for more than 10 days, see your pediatrician.

It lasts...: As long as the lesions are present, usually 10-14 days.