Anesthesia dolorosa

Anesthesia dolorosa is a rare condition characterized by severe pain in an area that is also numb. The condition is most often caused by damage to the trigeminal nerve, one of the most widely distributed nerves in the head.

Causes

Anesthesia dolorosa can occur as a complication of surgery, radiation therapy, or other injury to the trigeminal nerve. This nerve is responsible for sensation in the face, and damage to it can result in a unique syndrome of numbness and severe pain.

Symptoms

The primary symptom of anesthesia dolorosa is severe, constant pain in an area of the face that is also numb. The pain is often described as burning or aching and may be accompanied by a sensation of coldness. Other symptoms can include tinnitus, a ringing or buzzing sound in the ears, and dysgeusia, an altered sense of taste.

Diagnosis

Diagnosis of anesthesia dolorosa is primarily based on the patient's symptoms and medical history. Imaging tests such as MRI or CT scan may be used to rule out other conditions that could cause similar symptoms.

Treatment

Treatment for anesthesia dolorosa is challenging and often involves a multidisciplinary approach. Medications such as antidepressants, anticonvulsants, and opioids may be used to manage the pain. In some cases, surgical procedures such as microvascular decompression or gamma knife surgery may be considered.

Prognosis

The prognosis for anesthesia dolorosa varies. Some people find relief with treatment, while others continue to experience severe pain despite treatment. The condition can significantly impact quality of life, and psychological support may be beneficial.

See also

• Trigeminal neuralgia
• Postherpetic neuralgia
• Complex regional pain syndrome