cat's claw

Pronunciation: CATS CLAW

What is the most important information I should know about cat's claw?


What is cat's claw?

Cat's claw is a plant that is also known as Griffe Du Chat, Liane du Pérou, Life-Giving Vine of Peru, Samento, Uña De Gato.

Cat's claw has been used in alternative medicine as a possibly effective aid in treating arthritis. People with either osteoarthritis or rheumatoid arthritis have used cat's claw. Different forms of cat's claw may be specific to treating each type of arthritis. Follow your healthcare provider's instructions about which form to use.

Other uses not proven with research have included stomach and intestinal disorders, hemorrhoids, chronic fatigue syndrome, herpes, shingles, chickenpox, hay fever, and many other conditions.

It is not certain whether cat's claw is effective in treating any medical condition. Medicinal use of cat's claw has not been approved by the FDA. Cat's claw should not be used in place of medication prescribed for you by your doctor.


Cat's claw may also be used for purposes not listed in this product guide.

What should I discuss with my healthcare provider before taking cat's claw?


  • an autoimmune disorder such as multiple sclerosis, lupus, or psoriasis;
  • leukemia; or
  • low blood pressure.

Do not use cat's claw if you are pregnant. It could harm the unborn baby. Use effective birth control, and tell your doctor if you become pregnant during treatment.

It is not known whether cat's claw passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this product.


How should I take cat's claw?


If you choose to use cat's claw, use it as directed on the package or as directed by your doctor, pharmacist, or other healthcare provider. Do not use more of this product than is recommended on the label.

Do not use different forms (tablets, liquid, tincture, teas, etc) of cat's claw at the same time without medical advice. Using different formulations together increases the risk of an overdose.

If you need surgery, stop taking cat's claw at least 2 weeks ahead of time.

Call your doctor if the condition you are treating with cat's claw does not improve, or if it gets worse while using this product.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra cat's claw to make up the missed dose.

What happens if I overdose?


What should I avoid while taking cat's claw?

Avoid taking other herbal/health supplements such as casein protein, coenzyme Q-10 (ubiquinone), fish oil, L-arginine, lycium, or stinging nettle. Combining cat's claw with any of these substances may cause your blood pressure to get too low.

What are the possible side effects of cat's claw?


Although not all side effects are known, cat's claw is thought to be possibly safe when taken for a short period of time.

Common side effects may include:

  • dizziness;
  • headaches; or
  • vomiting.


What other drugs will affect cat's claw?

Do not take cat's claw without medical advice if you are using a medication to treat any of the following conditions:

  • anxiety or depression;
  • asthma or allergies;
  • cancer;
  • erectile dysfunction;
  • heartburn or GERD;
  • migraine headaches;
  • psoriasis, rheumatoid arthritis, or other autoimmune disorders;
  • a psychiatric disorder; or
  • seizures.

Tell your doctor about all other medicines you use, and those you start or stop using during your treatment with cat's claw, especially:

  • birth control pills or hormone replacement therapy; or

This list is not complete. Other drugs may interact with cat's claw, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Where can I get more information?




Copyright 1996-2015 Cerner Multum, Inc. Version: 1.05. Revision date: 10/9/2014.
