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Lesinurad-Allopurinol

Warning

One ingredient in this combination product, lesinurad, has caused very serious kidney problems. Tell your doctor right away if you notice any signs of kidney problems, such as lower back pain, nausea/vomiting, painful/difficult urination, change in the amount of urine.

Precautions

Before taking this medication, tell your doctor or pharmacist if you are allergic to lesinurad or allopurinol; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver problems, cancer treatment, a certain inherited disease (Lesch-Nyhan syndrome).

This drug may make you drowsy. Alcohol or marijuana (cannabis) can make you more drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is unknown if lesinurad passes into breast milk. Allopurinol passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breastfeeding.

Side Effects

See also Warning section.

Stomach upset, nausea, diarrhea, or drowsiness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: numbness/tingling of arms/legs, easy bleeding/bruising, unusual tiredness, unusual weight loss, signs of liver problems (such as nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine).

Rarely, heart-related problems or stroke have occurred in people taking lesinurad in combination with allopurinol. However, it is not known if these medications caused these problems. Get medical help right away if you have any of these very serious side effects, including: weakness on one side of the body, sudden vision changes, trouble speaking, confusion, chest/jaw/left arm pain, shortness of breath, unusual sweating.

This medication can commonly cause a rash that is usually not serious. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe reaction. Get medical help right away if you develop any rash.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: fever, swollen lymph nodes, rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.