Use of<unk>  is contraindicated in patients with recent heart attack or stroke, uncontrolled hypertension, known severe airway disease, or an aortic aneurysm. It may be used with caution by nursing or pregnant mothers and patients taking certain medications for myasthenia gravis.
Methacholine
Bromethalin
Theobromine
Dicycloverine
Glycopyrronium bromide
Allergan
Acetyl chloride
Guaifenesin