What's the best treatment to get rid of drooling?

Drooling. I would want to know the age of the patient and what meds they were on. Some medications can cause drooling. If a medication is necessary to help, an anticholinergic med like Benadryl (diphenhydramine) can help.
Drooling. There are several remedies that cause dryness of mouth & lessen drooling. Also some herbs & supplements. Talk to your doctor to get better idea. Some suggestions would be antihistamines, trazodone, dry fruits & nuts.