Question

__________ is a useful remedy for allergic rhinitis.

Answer 1

Explanation:

Studies have shown that the combination of an antihistamine drug and a decongestant is better at relieving the symptoms of allergic rhinitis due to seasonal inhalant allergies. These drugs only offer symptomatic relief and should be used with some caution.

Answer 2

Intranasal corticosteroids are the single most effective drug class for treating allergic rhinitis

Explanation:

hope this will be your answer