Pill Imprint 213 ETHEX
This green elliptical / oval pill with imprint 213 ETHEX on it has been identified as: Guaifenex dm 30 mg / 600 mg.
This medicine is known as Guaifenex DM (generic name: dextromethorphan/guaifenesin). It is available as a prescription and/or OTC medicine and is commonly used for Cough, Expectoration.