What to know about doxycycline

Bacterial infections in the body are often treated with this drug.

Some common and dangerous bacteria are becoming resistant to antibiotics. How does this affect you?

Learn about the sexually transmitted infection and why medication therapies have changed over time.

Antibiotics won’t help treat a cold or the flu. Taking them unnecessarily will do more harm than good.

Find out how to recognize signs of an infection with this antibiotic-resistant bacteria—and what to do about it.

Urinary tract infections are common and some are becoming more difficult to treat.