Tetracyclines

Drug

Common Uses

Some Potential Side Effects

Acne

Syphilis

Chlamydial infections

Lyme disease

Mycoplasmal infections

Rickettsial infections

Skin infections caused by susceptible bacteria that are resistant to other antibiotics, including methicillin-resistant Staphylococcus aureus (MRSA)

Gastrointestinal upset, Clostridioides difficile–induced diarrhea

Fungal infection with the yeast Candida

Sensitivity to sunlight

Staining of teeth in the fetus if used late in pregnancy or if taken by children under 8 years of age