U.S. doctors online nowAsk doctors free
Marengo, OH
A 39-year-old male asked:

Tested positive for strep throat. taking 500 mg penicillin vk for 24 hrs. throat still hurting and still feel bad. how long should it take to work?

1 doctor answer4 doctors weighed in
Dr. Tanya Russo
Pediatrics 27 years experience
48-72 hours: Many people begin to feel relief from Strep throat symptoms after 24 hours of appropriate antibiotic therapy, but one wouldn't necessarily consider your regiment a treatment failure until you have been taking it for at least 2-3 days. Best wishes.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Nov 28, 2017

Disclaimer:

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.