Common antibiotics include penicillins, such as amoxicillin, and other types including cephalosporins (like cefalexin), or tetracyclines (like doxycycline). Antibiotics are medicines that are used to ...

Antibiotics are unnecessary and ineffective against certain types of infections, such as viral or fungal infections. Taking antibiotics when they are not necessary may lead to antibiotic resistance.

You’ve almost certainly been prescribed antibiotics in your life. Maybe you had a nasty case of strep throat or needed to take precautions after a surgery. But even if you’re used to picking up a ...