Get our free Midazolam hydrochloride coupon and be eligible to receive a discount. You can reduce your Midazolam hydrochloride cost by up to 75% with our free Midazolam hydrochloride discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Reducing anxiety or producing drowsiness or anesthesia before certain medical procedures or surgery. It may also be given continuously to maintain sedation or anesthesia in certain patients. It may also be used for other conditions as determined by your doctor. Midazolam is a benzodiazepine. It works in the central nervous system (brain) to cause sleepiness, muscle relaxation, and short-term memory loss, and to reduce anxiety.