of the show's departed cast and crew reached a distinctive destination in a designated voyage, and it was time to move on. William Asher, 1996
Quick Answer. If unopened and left in a pantry, Miracle Whip can last for a week past its use-by date; if opened, it can last for a month past its use-by date if refrigerated before it goes bad. A person should also check other dates on a jar of mayonnaise, such as the sell-by or best before dates. Keep Learning.
At my hospital, test strips and controls are good for 30 days after being opened, regardless of what the manufacturer says. Last edit by WSU_Ally_RN on Oct 3, '07. Oct 3, '07. Regardless of the dates on the bottles, we have to toss everything after 30 days.