What antibiotic can you take for a sinus infection if you are allergic to penicillin?

If you are allergic to penicillin, doctors may prescribe alternative antibiotics such as doxycycline, azithromycin, or clindamycin for a sinus infection. The choice of antibiotic will depend on the specific bacteria causing the infection and any other individual health considerations. It's essential to consult with a healthcare provider for an appropriate diagnosis and treatment plan.