Mometasone (Asmanex) is an expensive drug used to treat the symptoms of
asthma. This drug is less popular than comparable drugs. There are currently no generic alternatives to Asmanex. It is covered by some Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. Get Asmanex for as low as $115.53, which is 41% off the average retail price of $194.23 for the most common version, by using a GoodRx coupon.