Triptans can cause rebound headache

, but their overuse is limited simply because the majority of insurance companies allot so few per prescription.

Why is sumatriptan restricted?

Sumatriptan is not suitable for people with certain cardiovascular conditions including coronary artery disease, Prinzmetal's angina, Wolff-Parkinson-White syndrome, a history of stroke or transient ischemic attack (TIA), uncontrolled high blood pressure, or peripheral vascular disease.

Are triptans addictive?

"Don't worry," he told me, "triptan dependency is a myth. In Europe, triptans are sometimes prescribed for daily use." (Sumatriptan is one triptan, a class of drugs.)