White Oval Pill 4, Pill Imprint M4 This white elliptical / oval pill
White Oval Pill 4, Pill Imprint M4 This white elliptical / oval pill with imprint M4 on it has been identified as: Mesnex 400 mg. The pill with imprint M4 (White, Oval, 0mm) has been identified as Mesnex 400 mg and is used for Hemorrhagic Cystitis Prophylaxis. Includes images and details for pill imprint 4 42 16 V including shape, color, size, NDC codes and manufacturers. One side reads '4', and the other side reads 'ON' or 'NO' depending on how you look at it - they are not scored ## This sounds like generic zofran 4 mgs. It is Pill Identifier results for "G1 4 White and Oval". Pill Identifier results for "H White and Oval". You can easily identify pills and view pill images a number of ways. It is 4H2 pill is a white, oval/elliptical pill or medicine which has been identified as Cetirizine Hydrochloride (mainly called Cetirizine). Pill Identifier results for "4 White". This pill contains Pill Identifier results for "4 I White and Oval".