Sometimes a specific injury can produce numbness or tingling, such as an injured nerve in your neck or a herniated disk in your spine. Placing pressure on a nerve is a common cause. Carpal tunnel syndrome, scar tissue, enlarged blood vessels, infection, or a tumor can all place pressure on a nerve.
The symptoms will vary from person to person and individuals may have different symptoms during different attacks. Your attacks may differ in length and frequency. Migraine attacks usually last from 4 to 72 hours and most people are free from symptoms between attacks.
On average, a cluster. period lasts 6 to 12 weeks while remissions can last up to 12 months or longer. The episodic form is the most common, affecting 80 to 90 percent of patients with cluster. headache. It is characterized by periods of attacks (clusters or bouts) and periods of remission. In a bout, patients may experience one to eight attacks per day, and bouts may last from. seven days to 12 months [1].