Question: what is the best medicine for severe sinus congestion?
Answer: Nasal steroids. amazon.com. These are nasal sprays like Flonase, Veramyst, Rhinocort, and Nasonex. ... 
Decongestants. walmart.com. ... 
Pain relievers. amazon.com. ... 
Mucolytics. walmart.com. ... 
Antihistamines. amazon.com.