If you are:
Only When Necessary: INSUFFICIENT HUMAN AND ANIMAL DATA
An adult over 60:
management or monitoring precaution: Renal-Decreased doses may be necessary in advanced renal dysfunction. Monitor serum potassium levels more closely. Gastrointestinal-Increased risk for gastritis.
Giving K-Tab ER to a child under 12:
management or monitoring precaution: Dose form may be inappropriate for this age range.