Ambien doesnt come in 15 mg dosages, only 5 10 mg 6.25 12.5 in the CR form. While suffering severe insomnia I was eventually prescribed Ambien 10 mg. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Rubin on ambien 15 mg: Xanax is much more potent than temazepam. You...