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headache, dizziness, and vomiting in some people.
Special Precautions & Warnings:Pregnancy and breast-feeding: There is some concern that cat's claw is POSSIBLY UNSAFE during pregnancy when taken by mouth. Not enough is known about the safety of cat's claw during breast-feeding. Avoid using cat's claw if you are pregnant or breast-feeding.
"Auto-immune diseases" such as multiple sclerosis (MS), lupus (systemic lupus erythematosus, SLE), or other similar conditions: Cat's claw might cause the immune system to become more active. This could increase the symptoms of auto-immune diseases. If you have one of these conditions, it's best to avoid using cat's claw without consulting with your healthcare provider.
Bleeding disorders: Cat's claw might slow blood clotting. There is concern that cat's claw might increase the risk of bruising or bleeding in people with bleeding disorders.
Low blood pressure: Low blood pressure: There is some evidence that cat's claw might lower blood pressure. If your blood pressure is already too low, this might be a problem.
Leukemia: Cat's claw might worsen this condition. Don't use it if you have leukemia.
Surgery: There is a concern that cat's claw might make blood pressure control difficult during surgery. Stop taking cat's claw at least 2 weeks before a scheduled surgery.
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.