Symptoms often start to clear up on their own in 10 to 14 days.
Symptoms almost always start before a child is 3 years old.
But symptoms often do not start until after age 65.
Your symptoms will usually start to get better in 3 to 4 days.
Your symptoms start to go away in 8 to 12 weeks.
But if you have had it before, symptoms will probably start in a few days.
If it works, your symptoms start to go away in 1 to 8 weeks.
That can help them understand how and when symptoms start.
This is usually about 10 days after the first symptoms start.
As a treatment once symptoms start, they are taken twice a day for five days.