Acid, Hydrocyanic: to allay pain.
Acid, Tannic.
Alum: when vomiting of glairy mucus.
Ammonium Chloride: in gastric catarrh.
Arsenic: in drunkards.
Atropine: in chronic cases.
Bismuth: in catarrh.
Caffeine: especially when associated with migraine.
Calumba.
Cinchona.