Stemetil MD Tablet contains prochlorperazine used in the treatment of nausea and vomiting, schizophrenia, mania, vertigo, inner ear problems such as Meniere's Syndrome or labyrinthitis, and short-term anxiety. It belongs to the class of antipsychotics which works by inhibiting dopamine receptors. Common side effects include drowsiness, dizziness, headache, dry mouth, and hypotension.