Anafranil is an anti-obsessional drug used to treat obsessive-compulsive disorder- OCD. OCD is an anxiety disorder that is characterized by unreasonable thoughts. A patient with this disorder develops fear, worry, uneasiness and repetitive behaviors. Anafranil is a medication within a group of antidepressants known as tricyclic antidepressants. The medication increases activity of particular chemicals in brain that help in reducing obsessive-compulsive behaviors.