Clobazam (Onfi) is an expensive drug used to control seizures caused by
Lennox-Gastaut syndrome. It is available in brand and generic versions. Generic Onfi is covered by most Medicare and insurance plans. Get Clobazam for as low as $25.34, which is 97% off the average retail price of $802.74 for the most common version, by using a GoodRx coupon.