Amitriptyline contains Amitriptyline, a tricyclic antidepressant. It has anticholinergic and sedative properties. It prevents the reuptake, and hence the inactivation of neurotransmitters called noradrenaline and serotonin, that are present at the nerve terminals in our brain. Reuptake prevention of these monoamine neurotransmitters potentiate their action in the brain. This appears to be...