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Potassium Phosphate; Sodium Phosphate Powder for Oral Solution

What is this medicine?

Potassium phosphate; sodium phosphate (poe Tass i um FOS fate; SOE dee um FOS fate) is used to increase phosphorus in the body. It is used for people who are not getting enough phosphorus from their diet or who need increased amounts.

How should I use this medicine?

Take this drug by mouth. Take it as directed on the label at the same time every day. Dissolve each packet in 75 mL of water or juice. Stir well before taking. Take it right away after mixing. Keep taking it unless your health care provider tells you to stop.

Talk to your pediatrician regarding the use of this drug in children. While this drug may be prescribed for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions (skin rash, itching or hives, swelling of the face, lips, or tongue)

  • confusion

  • fast, irregular heartbeat

  • feeling faint or lightheaded, falls

  • muscle cramps

  • pain, tingling, numbness in the hands or feet

  • trouble breathing

  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • diarrhea

  • headache

  • nausea, vomiting

  • stomach pain

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • burosumab

  • eplerenone

  • sevelamer

This medicine may also interact with the following medications:

  • antacids or other products that contain aluminum, magnesium, or calcium

  • certain medicines for blood pressure or heart disease like lisinopril, losartan, quinapril, valsartan

  • diuretics such as spironolactone, triamterene

  • iron supplements

  • medicines that lower your chance of fighting infection such as cyclosporine, tacrolimus

  • other products that contain potassium or phosphorus

  • salt substitutes

  • vitamin D supplements

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children and pets.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Throw away any unused drug after the expiration date.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • Addison's disease

  • dehydration

  • heart disease

  • high levels of phosphate, potassium, or sodium in the blood

  • kidney disease

  • kidney stones

  • low sodium diet

  • an unusual or allergic reaction to phosphorus, potassium, sodium, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Visit your health care provider for regular checks on your progress. Your doctor may order blood work while you are taking this drug.

You may pass a kidney stone after starting this drug. Contact your health care provider if you have new or unusual symptoms.

Follow a healthy diet. Taking this drug does not replace the need for a balanced diet.

NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Copyright© 2020 Elsevier