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Diagnosis

A physician should evaluate any chronic cough. The initial step in the evaluation is a medical history and physical examination. This is almost always followed by a chest x-ray. Depending on the results of the initial evaluation, further diagnostic tests may be performed. The tests performed depend on the suspected cause of the cough. Some diagnostic tests include:


Bronchoprovocation

During this test, a patient inhales increasing doses of methacholine. Between each inhalat...Read the full article