If I can not take penicillin, is amoxicillin the same or do I need to avoid it?
Medically reviewed by Drugs.com. Last updated on April 7, 2025.
I took penicillin when I was young and it made me sick. I am trying to find out if they are the same, or close, and should I take it or not?
Yes, amoxicillin belongs to the penicillin class of antibiotics. You shouldn't take it if you are allergic to penicillin.
For more information visit: https://www.drugs.com/drug-class/penicillins.html
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There are several antibiotics that kill the common mouth bacteria that cause tooth infections. The best (first-line) antibiotics for tooth infection include: Amoxicillin, Penicillin, Cephalexin, Clindamycin, Azithromycin. Amoxicillin is often the first choice because it is widely effective and has the fewest gastrointestinal side effects. Continue reading
Can you drink alcohol with amoxicillin?
Yes, you can drink alcohol while taking the antibiotic amoxicillin. The alcohol will not stop amoxicillin from working. However, many health professionals will recommend you avoid alcohol to give your body the best chance possible to fight the infection. Moderation is key. Continue reading
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Amoxicillin capsules and tablets have an expiry of around 2 years and, provided they are stored as recommended and in the original packaging, there will be a small lee way of safety if used beyond expiry. Amoxicillin suspension is different and has a very short shelf life of about 7-10 days once it is prepared. Continue reading
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- Amoxicillin Information for Consumers
- Amoxicillin prescribing info & package insert (for Health Professionals)
- Side Effects of Amoxicillin (detailed)
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