Potassium and sodium phosphate (Oral)

Medically reviewed by Drugs.com. Last updated on Apr 30, 2022.

Commonly used brand name(s)

In the U.S.

• K-Phos Neutral
• Phospha 250 Neutral

Available Dosage Forms:

• Tablet

Therapeutic Class: Phosphate Supplement

Uses for potassium and sodium phosphate

Phospha 250™ Neutral contains potassium phosphate and sodium phosphate. It is a phosphate supplement that is used to increase the amount of phosphate in the blood.

Potassium and sodium phosphate is available only with your doctor's prescription.

Before using potassium and sodium phosphate

If you are taking this dietary supplement without a prescription, carefully read and follow any precautions on the label. For this supplement, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to potassium and sodium phosphate or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of Phospha 250™ Neutral in children 4 years of age and older. However, safety and efficacy of have not been established in children younger than 4 years of age.

Geriatric

No information is available on the relationship of age to the effects of Phospha 250™ Neutral in geriatric patients.

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving this dietary supplement, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this dietary supplement with any of the following medicines is not recommended. Your doctor may decide not to treat you with this dietary supplement or change some of the other medicines you take.

• Bepridil
• Burosumab-twza
• Cisapride
• Dronedarone
• Levoketoconazole
• Mesoridazine
• Pimozide
• Piperaquine
• Saquinavir
• Sparfloxacin
• Terfenadine
• Thioridazine
• Ziprasidone

Using this dietary supplement with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

• Alfuzosin
• Amiloride
• Amiodarone
• Amisulpride
• Amitriptyline
• Amoxapine
• Anagrelide
• Apomorphine
• Aripiprazole
• Aripiprazole Lauroxil
• Arsenic ...