Medication overuse headaches (MOH) are also known as analgesic rebound headaches or rebound headaches. Although the term rebound headache is still used by many people, medication overuse headache is type of headache recognized by the International Headache Society (IHS).
When people use migraine abortive medications often their bodies can become accustomed to the medication.
The medicine temporarily offers relief of the head pain, but the head pain returns when the medication wears off. The rebound headaches can occur as a withdrawal reaction when the pain relievers are stopped.
Medication over use may also lead to dependence or more pain.
Rebound headaches can occur as often as every day. Other symptoms of medication rebound headaches include: