Can I drink beer while taking penicillin?

Should be fine. But if you're taking the penicillin for strep throat, the alcohol probably won't make your throat feel any better, and could make it a little more sore.

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Can I drink beer while taking penicillin vi 500mg tablets I'm taking this med for and abscess on my tooth?

No problem... ...with mild or moderate alcohol intake. A couple of beers won't alter penicillin's effectiveness. But don't get drunk; heavy alcohol use can impair the body's infection fighting mechanisms. Read more...