Ligature of the Carotids: in obstinate cases a last resort; has done good.
Methylene Blue.
Morphine: hypodermically.
Nitroglycerin: in obstinate cases.
Neurodin.
Ol. Crotonis: sometimes cures; will relieve.
Phosphorus: in obstinate cases.
Physostigma.
Physostigmine.
Potassium Iodide: the following formula relieves: take Chloralis hydrati 5 grn.; Potassii iodidi, 3 grn.; Sp. ammoniæ comp, 1 fl. dr.; Infusum gentianæ, ad 1 fl. oz. The salt alone in syphilitic history.