Is it safe to take penicillin that is one year past its expiration date?
The expiration dates of medications should be taken seriously. The big problem with medications, and penicillin maybe even more so than most, is loss of potency. So, maybe it’s still safe, but not as effective as it needs to be. Throw it out. Another note about penicillin: you should NEVER have leftover penicillin or other antibiotic. They should be taken as directed until the prescription is gone. And they should not be taken unless a physician has determined that they are appropriate for your condition. Otherwise, you could be contributing to the development of antibiotic resistant organisms. Grandma Roses, that may be easier said than done. In the USA, where I’m from, state and federal regulations often prevent pharmacies from taking back prescriptions, even for disposal. It is provided for in only a few states. Canada seems to have such a program established. In the USA, it will take a check with the state or local health department to find out what you can do legally. In some loca