amyl nitrite

amyl nitrite, a vasodilator. ▪ INDICATIONS: It is prescribed to relieve the angiospasm of angina pectoris and as an adjunct in the treatment of cyanide poisoning. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug or to other nitrites prohibits its use, as does head injury and narrow-angle glaucoma. ▪ ADVERSE EFFECTS: Among the serious adverse reactions are hypotension, allergic reactions, nausea, headache, and dizziness.