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.
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