CHAPTER XIIL 



MEDICINES; THEIR ACTION AND USES. 



Antiseptics. — Remedies which arrest putrefaction. They 

 kill or prevent the development of those bacteria which pro- 

 duce decomposition. 



Examples: Corros. sub., carbolic acid, creolin. 



Disinfectants. — Destroy the specific poisons of communi- 

 cable diseases by killing or arresting the development of those 

 germs which produce disease. 



Examples : Lime, sulphur gas, etc. 



Deodorants. — Disguise or destroy odors. 



Examples: Iron sulphate, carbolic acid, etc. 



Ruhefacients. — Cause redness of the skin. 



Examples: Alcohol, turpentine, etc. 



Vesicants. — Cause a discharge of serum from the skin. 



Example : Cantharides. 



Stomachics. — Promote digestion. 



Examples: Gentian, ginger, etc. 



Vermicides. — Kill worms. 



Examples: Turpentine, iron sulphate, etc. 



Vermifuges. — Remove intestinal worms by purgation. 



Parasiticides. — Destroy parasites. 



Examples : Carbolic acid, creolin, etc. 



Purgatives. — Evacuate the bowels. 



Examples: Aloes. 



Cholagogues. — Promote secretion of bile. 



Examples: Aloes, calomel. 



Diaphoretics. — Increase perspiration. 



Examples: Ethers. Same action produced mechanically bj^ 

 warm clothing. 



Diuretics. — Increase secretion or urine. 



Examples: Potass, nit., turpentine. 



Tonics. — Gradually but permanently improve appetite and 

 increase vigor. 



Examples : Quinine, iron, gentian, etc. 



(106) 



