Educational reference of documented concerns — not a personalized safety check and not a clearance to combine. Confirm with your prescriber or pharmacist.
Reviewed supplements
- CautionThiazide or loop diuretics (HCTZ, furosemide)Potassium supplement Loop and thiazide diuretics waste potassium, and doctors sometimes deliberately prescribe replacement; self-supplementing without a potassium level is the risk, not the combination itself. pharmacology standardverified 2026-08-18
- CautionThiazide or loop diuretics (HCTZ, furosemide)Magnesium, high dose Diuretics waste magnesium, so replacement is often reasonable. pharmacology standardverified 2026-09-05
Not in this list
A supplement missing from this list has not been reviewed against Thiazide or loop diuretics (HCTZ, furosemide) on this site. That is not a statement that combining it is safe.