Doxycycline can lower the risk of getting certain STIs by two-thirds, according to the NYC Department of Health.

Relative to high-dose doxycycline, low-dose doxycycline is comparably effective but more tolerable for lymphocytic scarring alopecias.

Doxycycline is commonly prescribed in pill or capsule form either as a generic medication or under the brand names Doryx, Vibramycin, Oracea, Adoxa, and others. When prescribed for acne ...