Medicine Name: Trinicalm Plus Tablet. Composition: Trifluoperazine (5mg) + Trihexyphenidyl (2mg). Side Effects: Nausea Constipation Dryness in mouth Sedation Weight gain Orthostatic hypotension sudden lowering of blood pressure on standing Urinary retention Increased prolactin level in blood Dizziness Blurred vision Nervousness.