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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: November 17, 2022


This is the third time ive gotten diarreah from eating plain cheerios. This has happened over a period of three weeks and i decided to google it just for kicks and found that it is a real issue. I thought something in my body might have changed but it is the cheerios | Symptoms: Diarrhea See Less

Plain Cheerios. Shortly after I get diarrhea, nausea, and stomach pain. | Symptoms: Nausea, Diarrhea, Stomach Pain See Less

The first time I ate the Cheerios with Berries on 11/5/22 I had diarrhea and thought it was just a fluke. I had another bowl on 11/12/2022 and vomited 2 hours later. I knew it had to be the cheerios because I hadn’t eaten anything else and I just used the milk the day before and didn’t get sick. | Symptoms: Nausea, Vomiting, Diarrhea See Less

Suspected food poisoning. Symptoms: Headache,other: Other
Suspected source: Eating to much cheerios from Local shop
Onset: 1 day after
Duration: Still going
Additional information: No | Symptoms: Headache See Less

I reported getting food poisoning from Frosted Cheerios earlier this summer. I hadn't heard much more about it after the initial wave of reports and figured maybe they were safe now. Maybe it was in my head when it happened last time! I've spoken to my mom... See More and she's said "how sick could Cheerios possibly make you?" and I have a bad habit of assuming mother knows best!

I grabbed some Frosted Cheerios from the same store as before, ate them this morning, and got even more sick than I had reported earlier this year. Feverish, goosebumps on my arms, two bouts of, genuinely, the worst diarrhea I've ever had. We're talking massively bloody, thick red blood. It looked like blood bathtub in my toilet. Fool me once shame on you, fool me twice shame on me. | Symptoms: Diarrhea, Fever, Bloody Stool
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Suspected food poisoning. Symptoms: Diarrhea,Headache
Suspected source: Cheerios
Onset: 2-3hrs after consuming
Duration: Most of the day / any day I eat it
Sick: Just me
Additional information: No | Symptoms: Diarrhea, Headache See Less

I was poisoned for a few days from 2022 Pumpkin Spice Cheerios. I did not have any problems with it back in 2021. | Symptoms: Diarrhea See Less

My toddler has gotten severe stomach pain, gas, and belching from eating Cheerios on three separate occasions in the last two months. | Symptoms: Other, Stomach Pain, Gas See Less

Had a huge bowl of Cheerios Pumpkin Spice with milk last night for dinner. Didn’t take long that I was burping up the cereal. Went to bed with stomachache & took 4 Tums. Not too long afterwards I was violently ill, first vomiting & then diarrhea at... See More the same time. I even passed out hitting my head on the toilet & causing a small bruise above my eyebrow. I have never been so ill with food poisoning in my life! Still have diarrhea this morning! | Symptoms: Nausea, Diarrhea, Vomiting, Burping, Stomach Pain See Less

I’ve had 3 bowls of honey nut cheerios. Twice with almond milk and once with out any milk, just at the cereal dry. All 3 times it’s given me diarrhea.. | Symptoms: Diarrhea See Less

Last 30 days