What pill is a green and white capsule that says pfizer 542 in the white and vistare real small in the green?

Not medical advice: PFIZER 542 VISTARIL Strength(s): 50 MG Manufacturer: Pfizer U.S.P.G. Color: Green / White Shape: Capsule-shape Drug Class: "MORE?"
Updated on Thursday, February 02 2012 at 01:45PM EST
Collections: pfizerpill