Colitis occurs with exposure to various chemical,including alcohol,radiocontrast agents,glutaraldehyde.formalin.ergotamine,hydrogen peroxide and drugs frequency of colitis induced by drugs is often under estimated. antibiotics,5-flouorouracil(5-FU),hydrogencarbamimide,nonsteroidal anti-inflammatory drugs (Nsaids) and aspirin are usually incriminated we report the case of severe diarrhea and hematochezie after self administration of an indomethacin suppository to a young women