benzquinamide /benzkwin″əmīd/ , an antiemetic. ▪ INDICATIONS: It is prescribed in the treatment of postoperative nausea and vomiting. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug prohibits its use. It is not usually administered to children or to pregnant women. ▪ ADVERSE EFFECTS: Among the most serious adverse reactions are sudden increase in blood pressure and cardiac arrhythmia. Drowsiness, chills, and shivering are commonly noted.