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 answer • 4 doctors weighed in

Dr. Tanya Russoanswered
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.
2.6k viewsReviewed >2 years ago
Last updated Nov 28, 2017
People also asked
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $44!
50% off with $15/month membership
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.