The pattern of indoor and outdoor respiratory allergens in asthmatic adult patients in a humid and desert newly developed country.

Background: Studies have shown that allergens are very important sensitizing agents in patients with asthma. Respiratory disorders such as asthma and allergic rhinitis are common in the State of Qatar.

Objective: To characterize the most frequent indoor and outdoor respiratory allergens involved in bronchial asthma and allergic rhinitis in the State of Qatar.