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Doctor insights on: Long Term Effects Of Penicillin

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How long can the side effects of penicillin last?

A day or so: It depends on what type of reactions. It usually improves once the med is stopped in a few hours or days. ...Read more

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How long do penicillin side effects like diarrhea last?

How long do penicillin side effects like diarrhea last?

Varies: Diarrhea can be caused by a GI side effect of the drug itself, in which case it will go away when you quit taking it. On the other hand, diarrhea can occur from disruption of the normal intestinal bacteria flora and that may persist until a balance is restored. If you have persistent diarrhea you should see a doctor to make sure you don't have something more serious (c. Difficile). ...Read more

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On penicillin for tonsillitis. Been on it before. How long does it take to notice side effects?

On penicillin for tonsillitis. Been on it before. How long does it take to notice side effects?

Side effects rare: Side effects are rare with penicillin. If it's oral, you could have diarrhea after a few days, but not if you had an injection. Most likely you have side effects at all. Overall chance of any side effects is under one in a hundred. ...Read more

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How long do side effects last from penicillin g benzathine a shot?

How long do side effects last from penicillin g benzathine a shot?

Pencillin: Benzathine penicillin has duration of activity for 2-4 weeks after intramuscular route. Adverse events from an antibiotics may occur days/weeks after the antibiotic is discontinued therefore if side effect occurs after benzathin penicillin it may occur while the patient is on it or after it is discontinued and may last longer than duration of activity. ...Read more

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I've been given penicillin to treat my strep throat. How long will it take before I can start to experience recovery effects?

I've been given penicillin to treat my strep throat. How long will it take before I can start to experience recovery effects?

3 days: A person taking penicillin for strep throat should feel better in 2-3 days. If he is worse on day 3, or just not better by day 4, he should talk with his primary care doctor to verify the name and proper dose of his antibiotic, and to discuss his symptoms. Re-evaluation and treatment with a different medication may be needed. ...Read more

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How long is a shot of penicillin good?

How long is a shot of penicillin good?

Penicllin: It depends upon the kind of penicillin. Regular penicillin (given iv) has a half life of only 1-2 hours but intramuscular penicillin types last longer. Procaine penicillin for 1-2 days and benzathine penicillin for about 3 weeks. ...Read more

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How long does penicillin stay in your system?

How long does penicillin stay in your system?

About 24 hours : Penicillin is an antibiotic with a short half-life, about four hours. If you take 500 mg at noon, 250 mg is still there at 4 pm, 125 mg at 8 pm, 62 mg at midnight, etc. ...Read more