Potassium Chloride

Pediatric Medication
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This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.

Brand Names: US

K-Tab; Klor-Con; Klor-Con 10; Klor-Con M10; Klor-Con M15; Klor-Con M20; Klor-Con Sprinkle [DSC]; Pokonza

Brand Names: Canada

APO-K; Micro-K

What is this drug used for?

  • It is used to treat or prevent low potassium levels.

What do I need to tell the doctor BEFORE my child takes this drug?

All products:

  • If your child is allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell the doctor about the allergy and what signs your child had.
  • If your child has high potassium levels.
  • If your child is taking any of these drugs: Amiloride, eplerenone, spironolactone, or triamterene.

Tablets and capsules:

  • If your child has any of these health problems: A bowel block, slow-moving GI (gastrointestinal) tract, or slow stomach clearing.
  • If your child has heart disease with esophagus problems.
  • If your child takes other drugs called anticholinergics, like ipratropium or oxybutynin. Ask the doctor if you are not sure if any of your child’s drugs are anticholinergic.

This is not a list of all drugs or health problems that interact with this drug.

Tell the doctor and pharmacist about all of your child’s drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe to give this drug with all of your child’s other drugs and health problems. Do not start, stop, or change the dose of any drug your child takes without checking with the doctor.

What are some things I need to know or do while my child takes this drug?

  • Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
  • Have your child’s blood work checked often. Talk with your child’s doctor.
  • Do not give your child more of this drug than what the doctor told you to give. Giving more of this drug than you are told may raise the chance of severe side effects.
  • If your child’s diet has low-salt foods or your child is using a salt substitute, talk with the doctor.
  • Some products are not approved for use in children. Talk with the doctor.

If your child is pregnant or breast-feeding a baby:

  • Talk with the doctor if your child is pregnant, becomes pregnant, or is breast-feeding a baby. You will need to talk about the benefits and risks to your child and the baby.

What are some side effects that I need to call my child’s doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your child’s doctor or get medical help right away if your child has any of the following signs or symptoms that may be related to a very bad side effect:

All products:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of high potassium levels like a heartbeat that does not feel normal; feeling confused; feeling weak, lightheaded, or dizzy; feeling like passing out; numbness or tingling; or shortness of breath.
  • Slow heartbeat.
  • Chest pain or pressure.

Tablets and capsules:

  • Signs of bowel problems like black, tarry, or bloody stools; fever; mucus in the stools; throwing up blood or throw up that looks like coffee grounds; or very bad stomach pain, constipation, or diarrhea.
  • Swelling of belly.

Injection:

  • Signs of low sodium levels like headache, trouble focusing, memory problems, feeling confused, weakness, seizures, or change in balance.
  • Shortness of breath, a big weight gain, or swelling in the arms or legs.
  • This drug may cause tissue damage if the drug leaks from the vein. Tell your child’s nurse if your child has any redness, burning, pain, swelling, blisters, skin sores, or leaking of fluid where the drug is going into your child’s body.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your child’s doctor or get medical help if any of these side effects or any other side effects bother your child or do not go away:

All oral products:

  • Stomach pain or diarrhea.
  • Upset stomach or throwing up.
  • Gas.

Tablets:

  • Some products of potassium are in a wax matrix; you may see this in your child’s stool. The potassium has been taken into the body, but the wax has not.

These are not all of the side effects that may occur. If you have questions about side effects, call your child’s doctor. Call your child’s doctor for medical advice about side effects.

You may report side effects to your national health agency.

How is this drug best given?

Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.

Tablets and capsules:

  • Give with or right after a meal.
  • Give this drug with a full glass of water.
  • Have your child swallow whole. Do not let your child chew, break, or crush.
  • Do not let your child suck on this product.
  • If your child has trouble swallowing, talk with the doctor.

Capsules:

  • You may sprinkle contents of capsule on applesauce or other soft food. Have your child swallow right away without chewing and follow with water or juice.
  • Do not mix with hot food.
  • After mixing, give the dose right away. Do not store for future use.

Tablets:

  • Some products may be broken in half or the whole tablet may be mixed with a 1/2 cup of water. Check with the doctor to see if your child can take the product this way. If you can mix the product with water, have your child drink the mixture right away. Rinse cup with more water and have your child drink. Rinse again and have your child drink to be sure all the drug is taken.
  • Give the mixture right away. Do not store for use at a later time.

Liquid or powder:

  • Give with or right after a meal.
  • Mix with water as you have been told and have your child drink.
  • Have your child drink slowly.
  • Do not keep the mixture to use later.

Injection:

  • It is given as an infusion into a vein over a period of time.

What do I do if my child misses a dose?

All oral products:

  • Give a missed dose as soon as you think about it.
  • If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
  • Do not give 2 doses at the same time or extra doses.

Injection:

  • Call your child’s doctor to find out what to do.

How do I store and/or throw out this drug?

All oral products:

  • Store at room temperature protected from light. Store in a dry place. Do not store in a bathroom.

Liquid or powder:

  • Do not freeze.

Injection:

  • If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.

All products:

  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

General drug facts

  • If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
  • Do not share your child’s drug with others and do not give anyone else’s drug to your child.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider’s examination and assessment of a patient’s specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms.

Last Reviewed Date

2023-05-02

Copyright

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Last Updated

Monday, December 12, 2022