Potassium Supplements (Systemic)

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Stop taking this medicine and check with your doctor immediately if any of the following side effects occur :

Less common

Confusion; irregular or slow heartbeat; numbness or tingling in hands, feet, or lips; shortness of breath or difficult breathing; unexplained anxiety; unusual tiredness or weakness; weakness or heaviness of legs

Also, check with your doctor if any of the following side effects occur:

Rare

Abdominal or stomach pain, cramping, or soreness (continuing); chest or throat pain, especially when swallowing; stools with signs of blood (red or black color)

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Diarrhea; nausea; stomach pain, discomfort, or gas (mild); vomiting

Sometimes you may see what appears to be a whole tablet in the stool after taking certain extended-release potassium chloride tablets. This is to be expected. Your body has absorbed the potassium from the tablet and the shell is then expelled.

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.