What pill is small white and round with an M on one side and 321 on the other?

Not Medical Advice: Small round, white pill with M on one side and 321 on the other is Lorazepam 0.5 mg, a benzodiazepine that is used in treatment of anxiety.
Updated on Saturday, February 04 2012 at 11:23AM EST
Collections: benzodiazepinelorazepamanxietypill