North Royalton, OH
A 37-year-old female asked:
Monday i was given penicillin v 500 mg for strep throat. still have a lot of pain & now i have a horrible taste in my mouth. how long to take effect?
1 doctor answer • 4 doctors weighed in

Dr. Nestor Del rosarioanswered
Addiction Medicine 36 years experience
Rule of thumb: I tell my patients if they are not better, much better, in 48 hours, likely the medicine is not working. So in 2 days and you still have problem go back to your doctor. We say that as we don't want our patients to have complications of a disease left untreated properly.
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4.7k viewsReviewed >2 years ago
Last updated Jun 16, 2016
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