Food intolerance does not cause true dysentery, which is an infectious inflammation of the intestine characterized by blood and mucus in the stool. Food intolerance typically causes milder diarrhea, bloating, or cramps. For food intolerance, the best approach is to identify and avoid the trigger food and stay hydrated using Oral Rehydration Salts (ORS). If you are actually experiencing dysentery symptoms (fever, bloody stools, severe pain), do not self-medicate with anti-diarrheal drugs like loperamide, as they can worsen infections. Instead, consult a doctor immediately for a stool test, as true dysentery requires specific prescription antibiotics or antiparasitic medications.