Pregnancy & Lactation: Risk data not available
What is Potassium Chloride?
Potassium chloride is a medicine used to prevent or treat low potassium levels in the body.
Potassium is a mineral that your body needs for proper functioning of the heart, muscles, kidneys, nerves, and digestive system. Certain diseases, illnesses, and drugs can remove potassium from the body.
Potassium chloride works by replacing lost potassium and preventing a deficiency.
Warnings
What is the most important information I should know about Potassium Chloride (Kato)?
You should not use potassium chloride if you are allergic to it, or if:
- you have high levels of potassium in your blood (hyperkalemia); or
- you take a "potassium-sparing" diuretic (water pill) such as amiloride, spironolactone, or triamterene.
Tell your doctor if you have ever had:
- heart problems;
- high blood pressure;
- liver or kidney disease;
- a large tissue injury such as a severe burn;
- an electrolyte imbalance (such as low levels of calcium or magnesium in your blood);
- trouble swallowing;
- slow digestion;
- stomach bleeding, an ulcer, or a blockage in your stomach or intestines;
- an adrenal gland disorder;
- diabetes; or
- severe dehydration.
Tell your doctor if you are pregnant or breastfeeding.
How should I use Potassium Chloride
Use Potassium Chloride (Kato) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Potassium chloride oral is taken by mouth. Potassium chloride injection is given as a slow infusion into a vein.
A healthcare provider will give you this medicine by injection if you have severely low potassium levels. Tell your caregivers if you feel any burning, pain, or swelling around the IV needle when potassium chloride is injected.
Take oral potassium chloride with food if the medicine upsets your stomach.
Always follow directions on the medicine label about giving this medicine to a child.
Take the tablet or capsule with a full glass of water.
Do not crush, chew, or suck on a potassium tablet or capsule. Sucking on the pill could irritate your mouth or throat.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). Mix the oral solution with least 4 ounces of water before taking it.
You may need to follow a special diet while using potassium chloride. Follow all instructions of your doctor or dietitian. Learn about the foods to eat or avoid to help control your condition.
Call your doctor if you have trouble swallowing a potassium chloride capsule or tablet. You may be able to dissolve the tablet in water, or mix the medicine from a capsule with soft food. Carefully follow your doctor's instructions.
You may need frequent medical tests. Your heart function may need to be checked using an electrocardiograph or ECG (sometimes called an EKG). Even if you have no symptoms, tests can help your doctor determine if this medicine is effective.
Some tablets are made with a shell that is not absorbed or melted in the body. Part of this shell may appear in your stool. This is normal and will not make the medicine less effective.
Store at room temperature away from moisture, heat, and light. Keep the medication in a closed container.
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
Potassium Chloride side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using potassium chloride and call your doctor at once if you have:
- severe throat irritation;
- chest pain, trouble breathing;
- pain, burning, bruising, swelling, irritation, or skin changes where the medicine was injected;
- stomach bloating, severe vomiting, severe stomach pain;
- high potassium level--nausea, weakness, tingly feeling, chest pain, irregular heartbeats, loss of movement; or
- signs of stomach bleeding--bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds.
Common side effects may include:
- nausea, vomiting, diarrhea;
- gas, stomach pain; or
- the appearance of a potassium chloride tablet in your stool.
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 other drugs will affect Potassium Chloride?
Do not use potassium supplements or other products that contain potassium, unless your doctor has told you to. Salt substitutes or low-salt foods often contain potassium. Read the label of any food or medicine to see if it contains potassium.
What to Expect
Potassium chloride in extended-release form (tablets or capsules) is released slowly in the body over several hours to lessen the risk of stomach irritation. It also comes in oral liquid, powder, granules, effervescent tablets, and regular tablets.
Typically, you’ll take potassium chloride daily until your potassium levels reach a normal range.
Tell your doctor if you experience any unusual side effects while taking potassium chloride, and monitor your potassium blood levels according to your doctor’s recommendations.
Additional Dosage Information
Your dosage will depend on your medical condition, your age, the formulation you use, and other factors.
Your doctor may adjust your dose of potassium chloride if you have liver or kidney problems.
Secondary Uses
Your doctor may recommend potassium chloride for conditions that aren’t listed in this guide.