Add-on oral antihistamines or montelukast (Singulair) do not add much benefit. In three separate trials, researchers randomized 3398 adolescent and adult patients with moderate-to-severe SAR ...

Both can cause sinus trouble. What to do: Over-the-counter saline nasal drops or saline rinses are your best bet in either situation ... This can help reduce nasal inflammation from the virus, Hur ...