Timolol (Istalol, Timoptic, Timoptic XE) is an inexpensive drug used to treat elevated eye pressure and glaucoma. It is available in multiple generic and brand versions. Generic timolol is covered by most Medicare and insurance plans, but some pharmacy coupons and cash prices may be lower.

Get Istalol for as low as $400.67, which is 21% off the average retail price of $510.05 for the most common version, by using a GoodRx coupon.