DRUG INTERACTIONS: See also How to Use section.Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: drugs that may affect the kidneys (including ACE inhibitors such as lisinopril, ARBs such as valsartan, diuretics/"water pills" such as furosemide/hydrochlorothiazide, NSAIDs such as ibuprofen/naproxen).Sodium phosphate can rarely increase the risk of an abnormal heart rhythm (QT prolongation in the EKG) from certain medications. These drugs include amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as erythromycin), among others. QT prolongation can infrequently result in a serious (rarely fatal) irregular heartbeat. Consult your doctor or pharmacist for more details and for instructions on how you may minimize the risk of this effect.Also report the use of drugs which might increase seizure risk when combined with sodium phosphate such as isoniazid (INH), phenothiazines (such as thioridazine), and tricyclic antidepressants (such as amitriptyline), among others. Consult your doctor or pharmacist for details.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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