I caught a bad case of Delhi belly after eating at that market.
Delhi belly
idiomDigestive illness or diarrhea, especially if suffered by a visitor to India.
Origin
disputed originFrom the diarrhea often experienced by foreign travellers to India; the city of Delhi was doubtless chosen for the rhyme with belly.
Many travelers worry about getting Delhi belly, so they stick to bottled water and cooked food.
Despite his careful efforts to avoid street food, he spent the final days of his trip confined to his hotel room with a severe case of Delhi belly.