i fount a pill that is white round gg and underneath it is 225..
Description: Tab, White, Round, Scored, GG over 225
Drug/Strength: Promethazine HCl 25 mg
Brand (or equiv.): Phenergan
Class;Sch: Antiemetic; Antihistamine
You will find an image searching for Promethazine at https://www.drugs.com/image_search.html