What is rebound? And how do you tell the difference between rebound or frequent/chronic migraine? The more commonly used term in the medical community is medication-overuse headache (MOH). We call it ‘rebound’ as MOH tends to imply patients are to blame for their pain. Rebound happens when prescribed and/or over-the-counter (OTC) meds used to relieve pain, begin to cause pain or “stop working.” Initially, I didn’t know about rebound. And besides, I couldn’t possibly have rebound from medications prescribed by my doctor! My triptan (sumatriptan) had worked beautifully for many years…until it didn’t. Maybe I just needed a bigger dose? Perhaps I could take it with ibuprofen or another NSAID (non steroidal anti-inflammatory…