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 ...

For patients with moderate-to-severe SAR that is uncontrolled on nasal steroids alone, the treatment of choice should be a combination intranasal steroid and intranasal antihistamine. For patients ...