Streptococcal infections

Syphilis

Respiratory infections

Mycoplasmal infections

Lyme disease

Chlamydial infections of the reproductive organs and urinary tract

Used only for Clostridioides difficile

Abdominal pain, nausea, vomiting, and diarrhea (especially at higher doses)

Jaundice*

Abnormal heart rhythms (arrhythmias)*