Klor-Con/EF Side Effects

Generic name: potassium bicarbonate

Medically reviewed by Drugs.com. Last updated on Apr 29, 2024.

Note: This document provides detailed information about Klor-Con/EF Side Effects associated with potassium bicarbonate. Some dosage forms listed on this page may not apply specifically to the brand name Klor-Con/EF.

Applies to potassium bicarbonate: oral tablet effervescent.

Important warnings This medicine can cause some serious health issues

You should not use this medicine if you also take a potassium-sparing diuretic such as amiloride, eplerenone, spironolactone, or triamterene.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using potassium bicarbonate (the active ingredient contained in Klor-Con/EF) and call your doctor at once if you have:

• confusion;

• fast or irregular heartbeats;

• a light-headed feeling, like you might pass out;

• weakness or a heavy feeling in your legs;

• numbness or tingling in your hands or feet;

• unusual tiredness;

• trouble breathing;

• black, bloody, or tarry stools;

• severe stomach pain or cramping; or

• high potassium--nausea, weakness, tingly feeling, chest pain, irregular heartbeats, or loss of movement.

Common side effects may include:

• nausea, vomiting;

• diarrhea; or

• upset stomach.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Further information

Klor-Con/EF side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer