Asthma : A common disorder in which chronic inflammation of the bronchial tubes (bronchi) makes them swell, narrowing the airways. Asthma involves only the bronchial tubes and does not affect the air sacs ( alveoli ) or the lung tissue (the parenchyma of the lung) itself.
Rhinitis: Irritation of the nose. Derived from the Greek word rhinos meaning of the nose.
Antihistamines reduce itching and swelling and dry up secretions from the nose, eyes, and throat. Mast cell tumors are tumors involving cells which contain granules of histamine. Patients with mast cell tumors experience chronic inflammatory symptoms due to circulating histamine. Antihistamines such as diphenhydramine may be helpful given long term though hydroxyzine could also be used.
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