Stomach flu 2 days ago vomiting and dieherra only took gravol i stopped getting symptoms but now have dark stools could it be from gravol or flu?

Several possibilitie: dark stool is usually not a symptom of a GI virus. If the stool is black or dark red in color and has a foul odor, it could be a sign of G.I. bleeding. If this is the case, seek help immediately. Although Gravol does not cause dark stools, several G.I. medications can, including Pepto-Bismol or bismuth- containing medications. If it persists, you should see your doctor. Good luck.