Eating iceberg lettuce might cause stomach cramps in certain circumstances. Stomach cramping might occur as a result of increased gas in your digestive system, but might be a sign of a more serious condition. Other reasons why you might develop stomach cramps include irritable bowel syndrome, food poisoning or food intolerance. Talk with your doctor about your symptoms and the most effective treatment option for your condition.
Digestive Difficulty
Everyone’s digestive system is sensitive to different foods. If your digestive tract is more sensitive to fiber or digesting the carbs in iceberg lettuce, you might develop stomach cramps. Cramping is commonly the result of increased gas that can become trapped in the intestines because of the fiber content of the lettuce. Gas that becomes trapped in the gastrointestinal system will cause stomach swelling and sharp pains that come and go. Taking a digestive enzyme supplement before taking the first bite of iceberg lettuce might help prevent cramping. Talk with your doctor before using any supplements to treat your condition.
Irritable Bowel Syndrome
If you have irritable bowel syndrome, eating certain vegetables might trigger your symptoms. Common symptoms associated with IBS include stomach pain, cramping, bloating, gas, diarrhea and constipation. IBS typically develops before the age of 35 and affects about 20 percent of the adult population in the U.S., according to the National Digestive Diseases Information Clearinghouse. Why people develop IBS is still unclear, but symptoms are manageable through diet, stress reduction and medications. If you’ve been diagnosed with IBS and eating iceberg lettuce triggers symptoms, stop consuming the vegetable and talk with your doctor.
Food Poisoning
Cramping in your abdomen is one of the most common symptoms of food poisoning, which occurs when you eat iceberg lettuce that is contaminated with an infectious organism. If your cramps get worse and you develop excessive vomiting, diarrhea and a fever, call your doctor. Food poisoning is treated with rest, increased fluid intake and a bland food diet until symptoms subside. Most symptoms last for 1 to 10 days after ingesting the contaminated lettuce.
Food Intolerance
If your digestive system cannot fully digest certain portions of iceberg lettuce, you might have an intolerance. Food intolerances are commonly confused with food allergies because of digestive symptom similarity. Cramping, stomach pain, diarrhea, gas and bloating are common symptoms of food intolerance. Food intolerances are incurable and are managed through avoiding foods that your body cannot digest. Most symptoms are caused by interaction with bacteria in the colon.


