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Food poisoning reports for Cheerios breakfast cereal started to trend in Q1 2022 . Iwaspoisoned now has reports of over 360 persons reported sick citing Cheerios. If you got sick after eating Cheerios we recommend consumers report it, and keep leftover product for testing. We will communicate procedures for testing to everyone who reports their case. 

Last updated: March 20, 2023

Cheerios

Had Honey Nut Cheerios, then later at work I had terrible gas pains and then loose stool. Weird.
I read that some people can't handle the fiber in oats. Not sure if that's the issue. | Symptoms: Diarrhea, Gas See Less


Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps
Suspected source: Cheerios
Onset: Less than 4 hours
Duration: 4 to 12 hours
Sick: Me
Additional information: Experienced diarrhea and nausea 2-3 hours after eating cheerios two days ago. Tried another bowl today... same thing! See Less


Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps
Suspected source: Could be Cheerios but not sure
Onset: Less than 4 hours
Duration: 12 to 24 hours
Sick: Me | Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps See Less


I was really craving cereal and I saw Cheerios so I decided to have a bowl about 30 minutes later my stomach started hurting pretty bad like I needed to use the restroom I went and sat down but nothing happened about 2 more minutes pass I... See More began to get very hot and weak I was sweating very bad couldn’t move had to have my boyfriend help me off the toilet to lay me down before I passed out i told him to take me back to the toilet where I began having very bad diarrhea my stomach was upset very badly I then threw up twice and it was all Cheerios after all that horrible experience I started to calm down | Symptoms: Nausea, Diarrhea, Vomiting, Sweating, Stomach Pain See Less


Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache
Suspected source: Cheerios
Onset: Less than 4 hours
Duration: 4 to 12 hours | Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache See Less


Suspected food poisoning. Symptoms: Diarrhea, Stomach Pain, Cramps, Headache
Suspected source: Cheerios
Onset: Less than 4 hours
Duration: 12 to 24 hours
Sick: Me | Symptoms: Diarrhea, Stomach Pain, Cramps, Headache See Less
10.6K


I just ate a bowl of heart shaped Honeynut Cheerios with lactose free milk. Now, three hours later, I feel nauseated, I have chills and want to throw up! Six weeks ago (the last time I ate a bowl of regular shaped Honeynut Cheerios with lactose free... See More milk) I got nauseated and vomited hours laters. I'm not eating anymore. Why are they making me sick now? Did the formula change?
The cereal was purchased here | Symptoms: Nausea, Vomiting, Chills
See Less
1.3K


I’ve had severe diarrhea every time I eat plain Cheerios which I bought from there. Once I stopped eating Cheerios no more diarrhea. This needs to be investigated. #PlainCheeriosDiarrhea #CheeriosDiarrhea #GeneralMills | Symptoms: Diarrhea See Less
8.2K


Suspected food poisoning. Symptoms: Diarrhea, Stomach Pain, Cramps
Suspected source: Purchased Cheerios every week for several months. At first, I did not connect the fact I had stomach pain around 2 pm to eating Cheerios for breakfast, Symptoms got progressively worse so I stopped eating cheese etc.... See More in case it was dairy. Then violent diarrhea began almost daily. I was even sent for a colonoscopy by my doctor! The penny finally dropped and when I stopped eating Cheerios I got back to normal. Symptoms: Diarrhea, Stomach Pain, cramps
Onset: 4 to 12 hours
Duration: Several Weeks | Symptoms: Diarrhea, Stomach Pain, Cramps
See Less
839


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