Common Name:  Amyl Nitrite Causes & Symptoms for SBL Amyl Nitrosum Palpitation of the heart and similar conditions are readily relieved by it, especially the flushings and other discomforts at climacteric.  Hiccough and yawning, often relieves temporarily convulsions and Seasickness. Tremor and weakness of limbs, better Open-air exercise, cold water and cold air and worse in warm room.