When should a patient take k-dur?

Low potassium. K-Dur is used to treat patients with low potassium levels or to prevent low potassium. Oftentimes (but not always), this occurs in patients taking diuretics (or “water pills”) for blood pressure.
Low potassium. Kdur is an extended release potassium supplement. You take it if you have low potassium. A lot of times patients on water pills are asked to take it because we expect the potassium levels to fall.