brain, spinal cord, and nerve disorders
Medication Overuse Headache
Causes of Medication Overuse Headache
The most common causes of medication overuse headache are overuse of the following: Opioids Pain relievers (analgesics) that contain butalbital (a barbiturate) Aspirinoracetaminophentaken withcaffeine Triptans (medications that prevent and treat migraines) Overuse of other nonsteroidal anti-inflammatory drugs (NSAIDs) andergotaminecan also cause this disorder. An overly sensitive nervous system is thought to cause medication overuse headache. That is, the nerve cells in the brain that trigger pain are too easily stimulated. Substance Use Disorders is more common among people with medication overuse headaches. They may also have a genetic predisposition to develop medication overuse headache. 