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Fosrenol is the brand name for lanthanum and is available as a chewable tablet.

Fosrenol is available as a 500 mg, 750 mg, 1000 mg chewable tablet.

Fosrenol is a phosphate binder and is used to treat high blood phosphate levels in advanced kidney disease.

Fosrenol is a phosphate binder. It binds to the phosphates in your food before they can be absorbed, which lowers phosphorus levels to help protect your kidneys and bones.

Fosrenol is typically dosed as 1,500 mg by mouth, divided into separate doses, three times a day with meals. Your provider will adjust your dose based on the phosphorus level in your blood.

Fosrenol is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have a bowel obstruction, ileus, and fecal impaction.

Common side effects of Fosrenol:

• Nausea
• Vomiting
• Belly pain

Serious side effects are rare with Fosrenol.

The following medications may interact with Fosrenol:

• There is a potential for Fosrenol to interact with compounds which bind to cationic antacids (i.e., aluminum-, magnesium-, or calcium-based). Therefore, do not take such compounds within 2 hours of dosing with Fosrenol
• Oral quinolone antibiotics must be taken at least 1 hour before or 4 hours after Fosrenol.
• Do not take thyroid hormone replacement therapy within 2 hours of dosing with Fosrenol. Monitoring of TSH levels is recommended in patients receiving both medicinal agents

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No adequate and well-controlled studies have been conducted in pregnant women using Fosrenol. It should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

• Lanthanum Carbonate