MEDICINES AKD THEIR CLASSES. 31 



Anodynes relieve pain. Opium, morphine, anesthetics 

 in small doses, belladonna, atrophine, chloral, conium, 

 hyoscyamus, stramonium, &c. 



Antacids obviate acidity of the stomach. They consist 

 of the alkalies, namely, potash, soda, ammonia; the alka- 

 line earths, lime and magnesia, and their carbonates and 

 bicarbonates, &c. Horses instinctively lick lime-washed 

 walls or eat earth when suffering from acidity of the 

 stomach. 



Anthelmintics kill or expel intestinal worms. For 

 bots — green food; a combination of aloes, asafetida, tur- 

 pentine, and ether. For tapeworms — areca-nut, filixmas, 

 kamala, kousso, pomegranate, turpentine, and chloroform. 

 For round worms — santonin, santonica (wormseed plant). 

 For thread worms — turpentine and essential oils, tannin 

 and tannin-containing substances; santonin, santonica; 

 with injections of common salt, iron chloride, or lime- 

 water. For fluke worms — maintain strength by good feed- 

 ing; common salt and soluble iron salts exert general 

 tonic effects and limited vermicide action ; a physic has- 

 tens expulsion of the flukes. 



Anti period ics mitigate the severity or prevent the 

 recurrence of certain diseases.. Cinchona, quinine, and 

 arsenic are reliable antiperiodics. 



Antiphlogistics. — See ' Antipyretics." 



Antipyretics lower the temperature of the body in 

 fever. They embrace cinchona alkaloids, benzoic, car- 

 bolic, and salicylic acids, salieylicates, salicin, camphor, 

 oucalyptol, thymol and other essential oils, alcohol, anti- 

 monial salts, aconite, digitalis, veratrine, nitrous ether, 

 antipyrin, opium, ipecac, cold bath, wet pack, cold drinks, 

 ice to surface, &c. 



Antiseptics arrest putrefaction. Carbolic, nitric, hy- 

 drochloric, sulphuric, salicylic, and boric acids, corrosive 

 sublimate, iodine, creosote, zinc and iron chlorides, iodo- 

 form, ethereal oils, alcohol, eucalyptus, &e. Antiseptics 



