Complicated abdominal infections and complicated skin infections due to susceptible bacteria, such as Escherichia coli, Staphylococcus aureus (including those resistant to methicillin [such as MRSA]), and bacteria that require little or no oxygen to live (anaerobes)

Pneumonia

Gastrointestinal upset

Sensitivity to sunlight

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