Are antibiotics the only way to cure a sinus infection?

Adjunct treatments: Antibiotics will help treat a bacterial infection but the sinuses also need other meds to help open itself up. Otc oral decongestants, sinus rinses, oxymetazoline nasal sprays, steroid nasal sprays, oral steroids, and expectorants (such as mucinex). If you have allergies, then allergy medications will also help treat sinus infections.

Sinus Infection: Antibiotics are only part of the treatment solution for sinusitis. Generally, sinusitis develops seven to ten days after the nasal and sinus passages have been swollen and plugged up. Saline flushes, oral decongestants, nasal steroid sprays, and time help relieve most episodes of sinusitis. Recurrent sinus infections may be seen with allergies, chronic irritants, and anatomic blockage.