Should leftover pizza be refrigerated?
John Kim
Published May 25, 2026
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Similarly, you may ask, can you eat 2 day old pizza not refrigerated?
I have gotten food poisoning from day old pizza before. You will probably be fine, but there is a chance you'll get sick, know that. The answer is no, it's not safe because safe implies no risk. There is a low risk of food poisoning.
Also, does pizza go in the fridge? I recommend putting the pizza in the refrigerator within two hours of coming out of the oven. Then, it should be safe to eat for a few days. Pizza shops can leave pizza out of refrigeration for 4 hours and it is still OK to serve to customers for immediate consumption. After 4 hours, the pizza must be discarded.
Also Know, how long does leftover pizza last in the fridge?
Leftover Pizza Place your pizza in the fridge within two hours of preparation, and it will last for up to four days, three days being the recommended shelf life of the average slice. After that, bacteria can begin to grow and lead to food poisoning.
Will reheating pizza kill bacteria?
Dr. Bowser: If the pizza is left unrefrigerated overnight, the toxins that may be produced by bacteria will not be inactivated by heating to 165°F. The bacteria will die, but their toxins will remain.
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