More important side effects include:
- high blood potassium levels,
- abnormal heart beats,
- bleeding or perforation of the stomach or small intestine from ulcers, and
- narrowing (stricture) of the small intestine from healed ulcers.
Irritation and damage to the stomach can be reduced by taking potassium supplements with meals or reducing the dose.
GENERIC AVAILABLE: Yes
- Tablet: 20 mEq
- Tablets (Extended release): 8, 10, 15, and 20 mEq
- Capsules: 8 and 10 mEq
- Injection: 1, 1.5, 2, 3, and 4 mEq/ml
- Plastic container: 10, 20, 30, and 40 mEq
STORAGE: Potassium should be stored at room temperature, 15 C to 30 C (59 F to 86 F).
- The usual recommendation for treatment of hypokalemia in adults is 20-40 mEq 2 to 4 times daily.
- The dose for prevention is 20 mEq daily.
- Oral potassium is usually taken with meals and fluids to prevent intestinal problems.
- Controlled release tablets should be swallowed whole.
DRUG INTERACTIONS: Angiotensin converting enzyme (ACE) inhibitors (for example, enalapril [Vasotec]), angiotensin receptor blockers (ARB) drugs (for example, valsartan [Diovan]), and certain diuretics (for example, spironolactone [Aldactone] and triamterene [Dyrenium]) increase potassium levels, causing high potassium levels in the blood when combined with potassium supplements. Potassium blood levels should be measured regularly in these patients.
Quick GuideNutritional Health Pictures Slideshow: Amazing Vitamin D, Nutrition's Newest Star
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.