Abstract Trigeminal neuralgia (TN) otherwise called tic douloureux. It is a form of neuropathic pain. The trigeminal nerve carries sensation from face to brain. It is a long-term disorder that affects the trigeminal nerve. 1 in 8000 people per year suffers from trigeminal neuralgia. it is more common in women aged over 50. It is caused by the compression of the trigeminal nerve root. maxillary divisions are more commonly involved. TN of unknown etiology is considered as idiopathic. Diagnosis is more commonly based on the signs and symptoms. Symptoms range from mild to severe pain, often triggered by chewing, speaking or brushing of teeth. Pain areas are in the mouth and face. uncomfortable tingling and burning sensation. Treatment includes medication and surgery. The anticonvulsants are usually the initial treatment and are effective in about 90% of the patients. Side effects are frequently experienced that necessitate drug withdrawal in as many as 23% of patients.