Is a child who is sick with the flu still contagious to adults three days after the onset of symptoms if the child did not take any antibiotics?

Contagious: Your child is considered contagious up to 3 - 4 days after he/she is without fever and body aches. Since the flu is viral no antibiotics will work. Tamiflu which is an antiviral medication would work to reduce your child’s symptoms duration only if given within 48 hours of symptoms onset. Try not to expose your child to the very old, or person with chronic diseases or chemotherapy or.

Yes: A patient is usually contagious for at least a week after the fever starts, whether they take an anti-viral or not.