Diclofenac + FurosemideUnknown
Diuretics Clinical Impact: Clinical studies, as well as post-marketing observations, showed that NSAIDS reduced the natriuretic effect of loop diuretics (e.g., furosemide) and thiazide diuretics in some patients. ( 7 ) Diuretics: NSAIDS can reduce natriuretic effect of furosemide and thiazide diuretics.
Source: FDA drug label - diclofenac