Potassium citrate helps relieve painful or difficult urination associated with bladder inflammation or infection.
This medicine is also used to prevent the formation of kidney stones.
Take Potassium citrate exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
Take it with food or immediately after a meal. Try to take it at the same time each day.
Potassium citrate is available as a tablet or as an oral solution.
If you are taking the extended-release type of tablet (usually labelled “ER”), swallow it whole with a full glass of water. Do not divide, chew or crush the tablet.
If you are taking an oral solution, dilute each dose with water and shake the bottle well before you take it to ensure that the liquid is evenly mixed. Use the measuring spoon or cup provided to measure out your prescribed dose.
Potassium citrate must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to take your medicine, let your doctor and pharmacist know.
Alert your doctor if you have the following conditions:
- hyperkalaemia (high potassium levels in the blood)
- severe kidney disease
- stomach disorder such as ulcer, blocked bowel, inability or problems emptying the stomach or bladder
- Addison’s disease (disorder of the adrenal glands)
as Potassium citrate may not be suitable for you.
Inform your doctor if you have the following conditions:
- heart disease
- liver disease
- kidney disease
- severely ill or in shock
Let your doctor know if you are pregnant or breastfeeding.
For as long as you are taking Potassium citrate, you may need to have regular blood tests to check your body’s response to the medicine. Routine tests for urinary citrate or pH and an ECG (a recording of electrical activity of the heart) may also be needed while you are being treated with this medicine. Your doctor will advise you about how often you need to have these tests.
Potassium citrate may cause any of the following side effects: stomach discomfort, diarrhoea, nausea and vomiting.
If you experience muscle weakness, cramping or numbness, fast or irregular heartbeat, stop taking the medicine and alert your doctor immediately. These could be signs of hyperkalaemia.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- water pills e.g. triamterene, spironolactone, amiloride
- medicines for high blood pressure or heart disease e.g. digoxin, aliskiren
- medicines used in organ transplant or certain immune disorder e.g. ciclosporin
- blood-thinning medicine e.g. aspirin
- antibiotics e.g. tetracycline
- medicines for urinary or bladder infection e.g. nitrofurantoin, methenamine
This list does not include all medicines that may interact with Potassium citrate.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements (especially potassium containing supplements) and medicines that you buy without a prescription.
Do not take potassium supplements. Avoid taking too much food that is high in potassium, such as orange juice, bananas or prunes. Do not use salt substitutes that contain potassium.
Store in a cool, dry place away from the reach of children.
The oral solution should be used within 2 months after first opening.
Medicines must not be used past the expiry date.