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Potassium Chloride: uses, side effects & brands
Potassium chloride corrects low potassium, under monitoring. It belongs to the Electrolyte & mineral group. These correct salt or mineral imbalances in the body.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Electrolyte & mineral |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Treating low blood potassium
- Preventing low potassium with water tablets (diuretics)
- Replacing potassium after vomiting or diarrhoea
Common brand names
- India: KCl, Potklor, Pot-Chlor
- Worldwide: K-Dur, Klor-Con
Common side effects
- Nausea or stomach upset
- Diarrhoea
- Wind or stomach discomfort
Before taking it — precautions
- Regular blood tests are needed to check potassium levels
- Tell your doctor about kidney disease
- Mention ACE inhibitors, ARBs, spironolactone or other potassium-sparing medicines
When to see a doctor urgently
- Palpitations, irregular heartbeat or muscle weakness (high potassium) (urgent)
- Black stools or severe stomach pain (urgent)
- Difficulty swallowing or tablet sticking in the throat
Frequently asked questions
Why must potassium be monitored?
Both too little and too much potassium can disturb the heart rhythm, so blood levels guide your treatment.
How should I take the tablets?
Swallow them whole with a full glass of water, sitting up, preferably with food. Do not crush or chew slow-release tablets.
Can I get potassium from food instead?
Fruits like bananas and coconut water contain potassium, but if your level is low your doctor may still need you to take supplements.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.