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What is potassium phosphate for

by Alivia Nyhan
Published: Last Updated on

Phosphorus is a mineral that we obtain through diet and whose presence in our body is very important, helping to keep bones and teeth strong and healthy, promoting a proper mood, helping to improve memory, and helping to have good digestion by fighting problems such as constipation and diarrhea.

Potassium phosphate is used to treat low levels of phosphorus in the body and prevent its decline and other medical uses that we will explain below. It can be administered both orally and through injections, a decision that a doctor must make. If you wonder what potassium phosphate is for, in this FastlyHealarticle, we explain it in detail.

Medical uses of potassium phosphate

Potassium phosphate, also known as phosphate salts or phosphorous salts, combines the phosphate ion with salts and minerals to treat various conditions such as:

  • Increase in low levels of phosphorus or prevent its decline. It can also be applied in the case of patients who have a higher phosphorus requirement.
  • To treat high levels of calcium in the blood, helping to reduce them.
  • To prevent the formation of kidney stones or contribute to the treatment of this condition.
  • Potassium phosphate is an adjunct in the treatment of urinary tract infections. It favors the elimination of foul odor and cloudy appearance in the urine of patients with disorders of this type.
  • It can also be applied in the case of patients with acute muscle weakness who also have low levels of phosphorus and potassium and in those patients with decompensated diabetes.

Dosage or dosage

Adjust phosphorus or calcium levels

The dose of potassium phosphate used to raise blood phosphorus levels or prevent their decline and reduce elevated calcium levels will depend on the condition of each patient and should be recommended by a specialist taking this condition into account.

Treat kidney stones and urinary tract infections.

She recommended dose orally 228 mg of phosphorus four times a day. The maximum daily intake values ​​for people between 9 and 70 years old are 4 grams per day, and for people over 70 years old 3 grams. In the case of children, the maximum recommended daily intake from 1 to 8 years is 3 grams.

Precautions when using potassium phosphate

  • Potassium phosphate should always be taken under strict medical supervision.
  • If it is administered orally, it must always be diluted beforehand.
  • It should be administered to pregnant or lactating women only when strictly necessary and always in the recommended doses, without exceeding the maximum daily intake.
  • Its administration is safe for children, always in the recommended doses.

Side effects of its use

Some of the possible side effects of potassium phosphorus that may occur with its intake are:

  • Allergic reactions include skin rashes, inflammation, redness of the dermis, or inflammation of the face or mucous membranes. Faced with this picture, one must urgently go to a health care center.
  • Tachycardia is the rapid heart pulse.
  • Confusion.
  • Unusual tiredness
  • Headache.
  • Dizziness
  • Heavy or weak legs.
  • Cramps
  • Fluid retention and weight gain due to this condition.
  • Diarrhea, nausea, and vomiting.

Potassium phosphate interactions with other medications

It should not be taken together with other drugs containing phosphate intended to treat low phosphorus levels. Additionally, potassium phosphate can interact with the following medications and products:

  • Salt substitutes that contain potassium salts.
  • Diuretics
  • Potassium supplements and medicines that contain potassium or Ca.
  • Corticosteroids or anabolic steroids.
  • ACE inhibitors.
  • Cyclosporine.
  • Eplerenone.
  • Vitamin D supplements.

If you take any supplements or medications frequently, inform your doctor before ingesting potassium phosphate.


If you suffer from the following conditions, you should not ingest potassium phosphate :

  • Kidney failure or chronic kidney disease.
  • Hyperkalemia.
  • Acute dehydration
  • Acute pancreatitis.
  • Oliguria.
  • Anuria.
  • Metabolic acidosis.
  • Heart problems
  • Rickets.

This article is merely informative, at FastlyHeal .com we do not have the power to prescribe medical treatments or make any type of diagnosis. We invite you to see a doctor in the case of presenting any type of condition or discomfort.

If you want to read more articles similar to What is potassium phosphate for , we recommend that you enter our category of Medication and medical tests .

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