Cevimeline

Cevimeline is a parasympathomimetic and muscarinic agonist, with particular effect on M3 receptors. It is indicated by the Food and Drug Administration for the treatment of dry mouth associated with Sjögren's syndrome.

Mechanism of action
By activating the M3 receptors of the parasympathetic nervous system, cevimeline stimulates secretion by the salivary glands, thereby alleviating dry mouth.

Side effects
Known side effects include nausea, vomiting, diarrhea, excessive sweating, rash, headache, runny nose, cough, drowsiness, hot flashes, blurred vision, and difficulty sleeping.