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K-LOR Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
K-Lor (potassium chloride) is used to prevent or to treat low blood levels of potassium (hypokalemia). Potassium levels can be low as a result of a disease or from taking certain medicines, or after a prolonged illness with diarrhea or vomiting. Potassium is a mineral. This medication is available in generic form. Common side effects include nausea, vomiting, sore throat, or runny nose.
The dose of K-Lor for the prevention of hypokalemia is typically in the range of 20 mEq per day. Doses of 40-100 mEq per day or more are used for the treatment of potassium depletion. K-Lor may interact with eplerenone, digoxin, quinidine, bronchodilators, ACE inhibitors, or diuretics (water pills). Tell your doctor all medications and supplements you use. During pregnancy, K-Lor should be used only when prescribed. It is unknown if this medication passes into breast milk. Consult your doctor before breastfeeding.
Our K-Lor (potassium chloride) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
K-LOR in Detail - Patient Information: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have any of these serious side effects:
- confusion, anxiety, feeling like you might pass out;
- uneven heartbeat;
- extreme thirst, increased urination;
- leg discomfort;
- muscle weakness or limp feeling;
- numbness or tingly feeling in your hands or feet, or around your mouth;
- severe stomach pain, ongoing diarrhea or vomiting;
- black, bloody, or tarry stools; or
- coughing up blood or vomit that looks like coffee grounds.
Less serious side effects may include:
- mild nausea or upset stomach;
- mild or occasional diarrhea;
- slight tingling in your hands or feet; or
- appearance of a potassium chloride tablet in your stool.
Read the entire detailed patient monograph for K-LOR (Potassium Chloride) »
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
K-LOR FDA Prescribing Information: Side Effects
The most common adverse reactions to oral potassium salts are nausea, vomiting, flatulence, abdominal pain/discomfort, and diarrhea. These symptoms are due to irritation of the gastrointestinal tract and are best managed by diluting the preparation further, taking the dose with meals, or reducing the amount taken at one time.
Skin rash has been reported rarely.
Read the entire FDA prescribing information for K-LOR (Potassium Chloride) »
Additional K-LOR Information
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