What Are the Side Effects of Potassium Chloride Extended-Release Tablets?


Quick Answer

Side effects of potassium chloride extended-release tablets include nausea, diarrhea, stomach discomfort, gas and vomiting, according to Drugs.com. Severe side effects include confusion, chest pain, black, tar-like stools, irregular heartbeat and feet, hands, lips or skin becoming numb or tingling. Patients may experience severe allergic reactions such as a rash, breathing problems and a swollen tongue, mouth, face or lips. If any severe symptoms appear, patients should seek medical attention immediately.

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Full Answer

Individuals who overdose on potassium chloride extended-release tablets may experience symptoms including weak, paralyzed or limp muscles, listlessness, or slow or labored breathing, explains Drugs.com. Physicians prescribe potassium chloride extended-release tablets to treat patients who have or are at risk for having low potassium levels in their blood. Surgery, diuretics, corticosteroids and severe cases of diarrhea can cause the body's potassium level to decline. People with severe kidney problems, an enlarged heart that has caused the esophagus to narrow, or esophageal paralysis or blockage should not take the tablets. Patients taking digoxin, anticholinergics or aldosterone blockers should not take the extended-release tablets.

Pregnant and breast-feeding women and women planning pregnancy should talk to their medical professionals or pharmacists before taking potassium chloride extended-release tablets, notes Drugs.com. Elderly people may have a heightened sensitivity to the tablets, and researchers do not know the effect of the tablets on children.

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