Pharmacological terms used for drugs acting on various systems
Pharmacological terms used for drugs acting on various systems 1. Drugs acting on mouth and salivary glands a. Sialogogues / Sialics : These are drugs which increase the secretion of saliva. They may act either directly upon the gland or their secreting nerves or may act reflexly. i. Direct sialogogues : Eg. Pilocarpine, Physostigmine. ii. Reflexly acting sialogogues : Eg. Alcohol, Acids, Bitters and Aromatics. Through sensory nerve ending in the mouth or through the stomach. Eg. Ipecacuanha, Antimony. b. Antisialics : are drugs which diminish the secretion of saliva. i. By paralysing secretary nerve endings. Eg. Atropine ii. Acting by decreasing irritation of the buccal mucous membrane. Eg. Demulcents – are substances which have the property of protecting mucous membrane when these are irritated or inflammed. Eg. Syrup, Honey mucillages, Linseed tea. 2. Drugs acting on Stomach and Intestine a. Stom