Sedation & sleepiness, dizziness, CNS disturbances; allergic reactions; acute labyrinthitis, blurred vision, diplopia, vertigo, tinnitus; hypotension, palpitation, tachycardia, arrhythmias, extrasystoles, anaphylactic shock; hematologic disorders; cholestasis, hepatic failure, hepatitis, hepatic function abnormality, dryness of mouth, epigastric distress, anorexia, GI disturbances , jaundice; urinary disturbances, early menses; resp disorders; fatigue, chills, headache, increased appetite/wt gain.