Cold: applied to forehead gives relief.
Convallaria.
Conline Hydrobromate.
Digitalis.
Ether: to diminish pain, combined with opium in 1/4-grn. doses.
Erythrol Tetranitrate.
Morphine: hypodermically.
Nitrite of Amyl: gives great relief during paroxysms; in atheromatous arteries must be used with care.
Nitrites of Sodium and Potassium: less rapid than nitrite of amyl, but have more power to prevent return of symptoms.
Nitroglycerin: like nitrite of sodium.