Pepto-Bismol (or pink bismuth), specifically, is known to turn the tongue and/or stool black temporarily. This condition can persist for a few days... Q.diarrhea for 4 wks. watery and then black stools.
sick day noun [C]. âº a day for which an âemployee âreceives âpay while âabsent from âwork because of âillness. (Definition of sick day from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
1. : affected with a disease or illness: ill. â sometimes used figuratively. â see also airsick, carsick, seasick. He is at home sick in bed. She is sick with the flu. I'm too sick to go to work. a sick dog. The medicine just made me sicker. The sickest patients are in intensive care.