Pilocarpine
Last updated: October 20, 2014
Trade Names: Salagen
Drug Class: Cholinergic agent
Preparations: 5- and 7.5 mg tablet
Dose: 5 mg three times daily; titrate to as high as 10 mg three times daily if needed
Indications: xerostomia, Sjögren’s syndrome
Mechanism of Action: Stimulates muscarinic receptors to increase saliva production
Contraindications: Hypersensitivity to pilocarpine, uncontrolled asthma, hepatic dysfunction
Precautions: Asthma, GI ulceration, cardiovascular disease, urinary tract obstruction, gall stones
Pregnancy Risk: C
Adverse Effects
Common: Sweating, flushing, dizziness, headache, nausea, rhinitis, urine frequency
Less common: Palpitation, rash, allergy, edema, bronchospasm
Drug Interactions
Beta-blockers: Increased risk of cardiac conduction disturbances
Parasympathomimetics: Additive effects
Anticholinergics (atropine, ipratropium): Antagonize effects
Patient Instructions: Expect increased sweating. It may take several weeks for response to occur.
Clinical Pharmacology: Half-life is 1 hour; duration of action 3–5 hours.
Cost: $$$