<unk> (injection) is a antiemetic that is FDA approved for the treatment of severe nausea and vomiting, schizophrenia. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include drowsiness, dizziness, amenorrhea, blurred vision, skin reactions and hypotension.
Prochlorperazine 
Simethicone
Mersalyl acid
Ethacizine
Misoprostol
Magnesium oxide
Salicylic acid
Ioxaglic acid