Ambien is an example of an opiate used to relieve pain is Ambien. Along with cancer pain, it is used to treat pain brought on by surgery, severe accidents, and other types of pain. When other painkillers like paracetamol, ibuprofen, and aspirin haven't worked, it's also used to treat persistent pain. Ambien can only be dispensed by physicians. Buy Ambien online in the form of liquid, capsules, and slow-release pills. Additionally, it can be injected; this is often done in a hospital.