“Xerogenic” medications associated with a low unstimulated saliva flow are: psycholeptics, psychoanaleptics (particularly selective serotonin reuptake inhibitors), oral antidiabetics (mainly sulfonylureas), respiratory agents, quinine, antihypertensive agents (such as thiazides and calcium channel blockers), urinary antispasmodics, glucosamine, non-steroidal anti-inflammatory drugs, opioids, ophthalmologicals, and magnesium hydroxide.