Before Using

Drug information provided by: Merative, Micromedex®

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 this medicine 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.

Drug Interactions

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.

  • Adagrasib
  • Alfuzosin
  • Amiloride
  • Amiodarone
  • Amisulpride
  • Amitriptyline
  • Amoxapine
  • Anagrelide
  • Apomorphine
  • Aripiprazole
  • Aripiprazole Lauroxil
  • Arsenic Trioxide
  • Asenapine
  • Astemizole
  • Atazanavir
  • Azilsartan
  • Azilsartan Medoxomil
  • Azithromycin
  • Bedaquiline
  • Buprenorphine
  • Buserelin
  • Candesartan
  • Canrenoate
  • Canrenone
  • Ceritinib
  • Chloroquine
  • Chlorpromazine
  • Cilazapril
  • Ciprofloxacin
  • Citalopram
  • Clarithromycin
  • Clofazimine
  • Clomipramine
  • Clothiapine
  • Clozapine
  • Crizotinib
  • Cyclosporine
  • Dabrafenib
  • Dasatinib
  • Degarelix
  • Delamanid
  • Desipramine
  • Deslorelin
  • Deutetrabenazine
  • Dexmedetomidine
  • Digoxin
  • Disopyramide
  • Dofetilide
  • Dolasetron
  • Domperidone
  • Donepezil
  • Droperidol
  • Efavirenz
  • Enalapril
  • Enalaprilat
  • Encorafenib
  • Entrectinib
  • Eplerenone
  • Eprosartan
  • Erdafitinib
  • Erythromycin
  • Escitalopram
  • Etrasimod
  • Fexinidazole
  • Fingolimod
  • Flecainide
  • Fluconazole
  • Fluoxetine
  • Formoterol
  • Foscarnet
  • Fosinopril
  • Fostemsavir
  • Gatifloxacin
  • Gemifloxacin
  • Gepirone
  • Glasdegib
  • Gonadorelin
  • Goserelin
  • Granisetron
  • Halofantrine
  • Haloperidol
  • Histrelin
  • Hydroxychloroquine
  • Hydroxyzine
  • Ibutilide
  • Iloperidone
  • Imipramine
  • Inotuzumab Ozogamicin
  • Irbesartan
  • Ivabradine
  • Ivosidenib
  • Ketoconazole
  • Lapatinib
  • Lefamulin
  • Lenvatinib
  • Leuprolide
  • Levofloxacin
  • Lisinopril
  • Lofexidine
  • Lopinavir
  • Losartan
  • Lumefantrine
  • Macimorelin
  • Mefloquine
  • Methadone
  • Metronidazole
  • Mifepristone
  • Mirtazapine
  • Mobocertinib
  • Moexipril
  • Moxifloxacin
  • Nafarelin
  • Nilotinib
  • Norfloxacin
  • Nortriptyline
  • Octreotide
  • Ofloxacin
  • Olanzapine
  • Olmesartan
  • Ondansetron
  • Osilodrostat
  • Osimertinib
  • Oxaliplatin
  • Ozanimod
  • Pacritinib
  • Paliperidone
  • Panobinostat
  • Paroxetine
  • Pasireotide
  • Pazopanib
  • Perindopril
  • Phenobarbital
  • Pimavanserin
  • Pitolisant
  • Ponesimod
  • Posaconazole
  • Primidone
  • Procainamide
  • Prochlorperazine
  • Promethazine
  • Propafenone
  • Protriptyline
  • Quetiapine
  • Quinapril
  • Quinidine
  • Quinine
  • Quizartinib
  • Ramipril
  • Ranolazine
  • Relugolix
  • Ribociclib
  • Selpercatinib
  • Sertraline
  • Sevoflurane
  • Siponimod
  • Solifenacin
  • Sorafenib
  • Sotalol
  • Spirapril
  • Spironolactone
  • Sulpiride
  • Sunitinib
  • Tacrolimus
  • Telavancin
  • Telithromycin
  • Telmisartan
  • Tetrabenazine
  • Trandolapril
  • Trazodone
  • Triamterene
  • Triclabendazole
  • Trimipramine
  • Triptorelin
  • Valsartan
  • Vandetanib
  • Vardenafil
  • Vemurafenib
  • Venlafaxine
  • Vilanterol
  • Vinflunine
  • Voclosporin
  • Voriconazole
  • Zofenopril
  • Zuclopenthixol

Using this dietary supplement with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Aluminum Carbonate, Basic
  • Aluminum Hydroxide
  • Aluminum Phosphate
  • Calcium Acetate
  • Calcium Carbonate
  • Calcium Citrate
  • Dihydroxyaluminum Aminoacetate
  • Dihydroxyaluminum Sodium Carbonate
  • Magaldrate
  • Magnesium Carbonate
  • Magnesium Hydroxide
  • Magnesium Oxide
  • Magnesium Trisilicate

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of this dietary supplement. Make sure you tell your doctor if you have any other medical problems, especially:

  • Addison's disease (an adrenal problem) or
  • Dehydration or
  • Heart disease or
  • Heart failure or
  • Hypercalcemia (high calcium in the blood) or
  • Hyperkalemia (high potassium in the blood) or
  • Hypernatremia (high sodium in the blood) or
  • Hypertension (high blood pressure) or
  • Hypoparathyroidism (underactive parathyroid gland) or
  • Liver disease (eg, cirrhosis), severe or
  • Myotonia congenita (an inherited muscle disease) or
  • Pancreatitis (inflammation of the pancreas) or
  • Pulmonary edema (fluid in the lungs) or
  • Rickets (bone problem caused by too little vitamin D) or
  • Severe burns on the skin—Use with caution. May make these conditions worse.
  • Hyperphosphatemia (too much phosphorus in the blood) or
  • Kidney problem, severe or
  • Phosphate stones, infected—Should not be used in patients with these conditions.

Portions of this document last updated: April 01, 2024

Copyright: © Merative US L.P. 1973, 2024. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.