Famous How Long Do You Stay Home From Work With Strep 2022. If your child has recently received antibiotic treatment, a rapid strep test may be positive for as long as 20 days. That's right — not after you just feel better, but when the fever is.

People with strep throat should stay home from work, school, or daycare until they no longer have a fever and have taken antibiotics for at least 12 hours. However, a recent course of antibiotics can affect the results,. This will help prevent spreading it to.