Revulsant or Revulsive.—An agent which produces irritation and draws fluids from other parts diseased, as poultices, cantharides, etc.
Rubefacient.—A medicine or agent causing irritation and redness of the skin, as turpentine, mustard, etc.
Sedative.—A medicine which diminishes functional activity, as potassium or ammonium bromide, etc.
Septic.—An agent causing poisoning resulting from the absorption of products of putrefaction, as bacteria.
Sialogogue.—A medicine stimulating the flow of saliva, as pilocarpine, arecoline, ginger, capsicum, etc.
Somnifacient or Soporific.—A medicine which produces drowsiness and sleep, as morphine, chloral hydrate, potassium, bromide, etc.
Sorbefacient.—A medicine used to produce abortion, as ergot.
Specific.—A medicine or agent which has a distinct curative influence on an individual disease, as potassium iodide in actinomycosis (Lumpy Jaw) or oxygen in milk fever, etc.
Stimulant.—A medicine which quickens or increases functional activity, as strychnine, ammonium carbonate, alcohol, etc.
Stomachic.—A medicine which increases functional activity of the stomach, as quassia gentian, etc.