Pill Imprint X 64
This white elliptical / oval pill with imprint X 64 on it has been identified as: Guaifenesin/pseudoephedrine 600 mg / 60 mg.
This medicine is known as guaifenesin/pseudoephedrine. It is available as a prescription and/or OTC medicine and is commonly used for Cough and Nasal Congestion.