Doctors may prescribe azithromycin, or Z-Pack, to treat strep throat in people allergic to penicillin or other first-line antibiotics. Side effects may include nausea, headaches, and diarrhea. Strep ...

Erythromycin is a generic drug prescribed for certain bacterial infections. The cost of erythromycin with and without insurance can depend on several factors, such as whether there’s financial ...