Klor-Con / EF Side Effects
Generic name: potassium bicarbonate
Note: This document contains side effect information about potassium bicarbonate. Some of the dosage forms listed on this page may not apply to the brand name Klor-Con / EF.
Some side effects of Klor-Con / EF may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
Applies to potassium bicarbonate: oral tablet effervescent
Get emergency medical help if you have any of these signs of an allergic reaction while taking potassium bicarbonate (the active ingredient contained in Klor-Con / EF) hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using potassium bicarbonate and call your doctor at once if you have any of these serious side effects:
unusual tiredness, weakness, heavy feeling in your legs;
severe stomach pain cramping; or
black, bloody, or tarry stools.
Less serious side effects of potassium bicarbonate may include:
nausea, vomiting, diarrhea, or upset stomach;
slight tingling in the hands or feet; or
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
More Klor-Con/EF resources
- Klor-Con/EF effervescent tablets MedFacts Consumer Leaflet (Wolters Kluwer)
- potassium bicarbonate MedFacts Consumer Leaflet (Wolters Kluwer)
- Effer-K MedFacts Consumer Leaflet (Wolters Kluwer)
- Effer-K Advanced Consumer (Micromedex) - Includes Dosage Information
- Effervescent Potassium Concise Consumer Information (Cerner Multum)
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