Wat kind of pill is white with a M on one side and c37 on the other.

Not Medical Advice: Pill with M on one side & c37 on the other is Cetirizine 10 mg, used in the treatment of allergies, hay fever, angioedema, and urticaria.

Tags: cetirizinehay feverurticariaallergypill 
Thursday, February 02 2012
Source: http://www.prescriptiondrug-info.com/topics/c37/