This is Dr Basu, experienced Internal Medicine Specialist.
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Abdominal cramps can be due to the viral infection -- gastroenteritis can cause this commonly.
Another possibility can be due to the parasitic infection causing the cramps.
Food and water borne infection is possible.
You should consider stool tests to rule out parasitic infection.
Food intolerance is another possibility.
Gluten sensitivity is a common cause.
Lactose intolerance also can cause this.
You should consider following low fermentable sugar diet ( FODMAP diet) to reduce your symptoms.
Please go to this link for detailed information:
Please also include prebiotics like Inulin daily to keep your colon acidic which prevent gas producing bacteria.
Also take a probiotic ( lactobacilli, bifidobacterium) daily to restore intestinal microbial balance.
Culturelle 30 Counts twice daily should be fine.
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