I tilfælde af dehydrering induceret af diuretika inklusive hydrochlorothiazid, er der en forøget risiko for akut nuresvigt, specielt ved anvendelse af store mængder kontrast media indeholdende iod.
Iodine containing contrast media: in case of dehydration induced by diuretics including hydrochlorothiazide, there is increased risk of acute renal impairment, in particular when use of important doses of iodine containing contrast media.