The symptoms of food poisoning, such as nausea, vomiting, diarrhea, and stomach cramps, can occur if you consume rotten blue cheese ( 5 , 6 ). The mycotoxins that some molds produce can suppress the immune system, upset the digestive system, and even lead to cancer ( 1 ).

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When should you not eat blue cheese?

After only a few days, you’ll be able to tell if the food has gone bad. Throw away any blue cheese that has been left out for more than two days if you made the mistake. It’s best to throw out refrigerated cheese within three to four weeks. It is possible to store blue cheese for an extended period of time in the refrigerator.

Is blue cheese toxic?

As a result of the Penicillium mold, blue cheese is known for its distinctive flavor and appearance. In order to prevent the mold from producing mycotoxins and aflatoxins (two toxins that are harmful to humans), the cheese must have a high acidity, saltiness, and moisture content.

Can blue cheese cause an allergic reaction?

Anaphylaxis to penicillin struck a 40-year-old man 24 years ago. He’s had angioedema for the last five years after eating blue cheese. A combination of steroids and antihistamines has been shown to alleviate the symptoms.

Can blue cheese cause diarrhea?

Symptoms of food poisoning include nausea, vomiting, diarrhea, and stomach cramps, which can be caused by eating spoiled blue cheese ( 5 , 6 ).

How do you tell if blue cheese is bad?

Fuzzy mold is a telltale sign that your blue cheese is bad. As you can see from my photos, the blue mold that grows naturally on blue cheese isn’t fuzzy. However, if the cheese has some fuzzy patches of grey or black mold, throw it out.

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