Question: what over the counter medicine works best for a sinus infection?
Answer: Nasal steroids. amazon.com. These are nasal sprays like Flonase, Veramyst, Rhinocort, and Nasonex. ... 
Decongestants. walmart.com. Decongestants are medications that reduce swelling and inflammation by narrowing your blood vessels. ... 
Pain relievers. amazon.com. ... 
Mucolytics. walmart.com. ... 
Antihistamines. amazon.com.