U.S. doctors online nowAsk doctors free
A 27-year-old female asked:

My 5 y.o. got a penicillin shot 24 hrs ago to treat her strep throat, however she still has a fever of 104 which i'm giving her motrin for, is this norm?

1 doctor answer1 doctor weighed in
Dr. James Ferguson
Pediatrics 48 years experience
Yes: You are playing catchup with the infection and it may take 24-48 hours for enough germs to be killed off for the temperature to start heading down.True strep is universally killed by the penicillin's. Any fever lasting more than 48 hrs may represent a co-infection with something like mono.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Oct 9, 2017
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $44!
50% off with $19/month membership


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.