What Is Auryxia?

Ferric citrate is a phosphate binder that helps prevent hypocalcemia (low levels of calcium in the blood) caused by elevated phosphorus.
Ferric citrate is used to control phosphorus levels in people with chronic kidney disease who are on dialysis.
Ferric citrate may also be used for purposes not listed in this medication guide.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
You should not use ferric citrate if you are allergic to it.
To make sure ferric citrate is safe for you, tell your doctor if you have:

• iron overload disorder (hemochromatosis);
• liver disease;
• a stomach or intestinal disorder;
• if you have recently had stomach or intestinal surgery; or
• if you take thyroid replacement medicine (levothyroxine, Synthroid, and others).

Ferric citrate is not expected to harm an unborn or nursing baby. Tell your doctor if you are pregnant or breast-feeding.
This medicine is not approved for use by anyone younger than 18 years old.

Auryxia Side Effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Common side effects may include:

• diarrhea; or
• darker color in your bowel movements.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Auryxia Interactions

If you also take an antibiotic called doxycycline, take it at least 1 hour before you take ferric citrate.
Other drugs may interact with ferric citrate, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Auryxia Dosage

Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not use this medicine in larger or smaller amounts or for longer than recommended.
Ferric citrate works best if you take it with meals.
The chewable tablet must be chewed or crushed before you swallow it.
While using ferric citrate, you may need frequent blood tests.
Store this medicine in the original container at room temperature away from moisture and heat.
Keep the bottle tightly closed when not in use.
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.