Potassium Chloride

Pediatric Medication

Brand Names: US

K-Sol; K-Tab; K-Vescent [DSC]; Klor-Con; Klor-Con 10; Klor-Con M10; Klor-Con M15; Klor-Con M20; Klor-Con Sprinkle; Micro-K

Brand Names: Canada

Apo-K; K-10; K-Dur; Micro-K Extencaps; Roychlor; Slo-Pot; Slow-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 has an allergy to this drug or any part of this drug.
  • If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • 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 swallowing tube (esophagus) problems.


  • If your child has kidney disease.
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 for your child to take this drug with all of his/her 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.
  • Your child may need to have an ECG checked while taking this drug. Talk with the 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 very bad side effects.
  • If your child’s diet has low-salt foods or your child is using a salt substitute, 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 of using this drug.

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 or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of a high potassium level like a heartbeat that does not feel normal; change in thinking clearly and with logic; feeling weak, lightheaded, or dizzy; feel like passing out; numbness or tingling; or shortness of breath.
  • Very hard stools (constipation).
  • Very upset stomach or throwing up.
  • Swelling of belly.
  • Black, tarry, or bloody stools.
  • Throwing up blood or throw up that looks like coffee grounds.
  • Very bad belly pain.


  • Irritation where the shot is given.

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 products:

  • Belly pain.
  • Upset stomach or throwing up.
  • Loose stools (diarrhea).
  • Gas.


  • 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.

All oral products:

  • Give this drug with food.

Tablets and capsules:

  • 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.


  • 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.
  • Do not keep the mixture to use later.


  • 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:

  • Must be mixed before using.
  • Mix with water or juice as you have been told and have your child drink.
  • Have your child drink slowly.
  • Do not keep the mixture to use later.


  • It is given into a vein for 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.


  • 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.
  • Store in a dry place. Do not store in a bathroom.

Tablets and capsules:

  • Protect from light.


  • 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.
  • Check with your pharmacist about how to throw out unused drugs.

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.
  • Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
  • Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
  • 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 information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Last Reviewed Date



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