Food poisoning does not always end when the infection clears - it might lead to post-infectious IBS.
This really matters right now because the FDA and CDC are investigating a large Cyclospora outbreak linked to iceberg lettuce sourced from central Mexico and recalled by Taylor Farms de Mexico. As of the latest FDA update, the outbreak includes more than 11,000 illnesses across 20 states. The recalled lettuce should now be off the market, but people may still be dealing with symptoms from earlier exposure.
Cyclospora is a microscopic parasite that can cause watery diarrhea, urgency, cramps, bloating, nausea, fatigue, and loss of appetite. Symptoms can last for weeks, and they can come and go. (Sound familiar?)
For some people, a bacterial, viral, or parasitic gut infection can trigger long-term IBS symptoms. This is called post-infectious IBS. Symptoms can include ongoing diarrhea, urgency, abdominal pain, bloating, reflux, nausea, and the feeling that your gut never fully recovered.
Research suggests this may happen in roughly 10% to 20% of people after intestinal infections, and the risk may be higher after some parasitic infections.
The likely reasons are biological: gut infections can irritate or damage the intestinal lining, disrupt the microbiome, activate immune cells, and leave the gut nerves hypersensitive. Normal gas or digestion may then be felt as pain or urgency.
The good news: many cases improve over time, and ** symptoms can be managed just like IBS.** But if diarrhea, pain, urgency, or weight loss continue for months after a gut infection, see a gastroenterologist. It is important to rule out an ongoing infection, inflammatory bowel disease, and other causes.
The takeaway here? After food poisoning, lingering gut symptoms are real. You are not crazy, and you do not have to just suffer through this.
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Heather
Heather Van Vorous
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