Determining if you have asthma.
Provocholine solution is a cholinergic bronchoconstrictor agent. It works by stimulating certain nerve fibers in the lung, which causes muscle spasms of the airways.
Headache; itching; lightheadedness; throat irritation.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; cough; fainting; severe dizziness; wheezing.
(methacholine chloride) powder, for inhalation solution