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dizziness, headache, nausea, vomiting, constipation, and diarrhea. Some people have reported that saw palmetto causes impotence. However, these side effects do not seem to occur any more often with saw palmetto than with a sugar pill.
There is some concern that saw palmetto might cause liver or pancreas problems in some people. There have been two reports of liver damage and one report of pancreas damage in people who took saw palmetto. However, there is not enough information to know if saw palmetto was the actual cause of these side effects.
Saw palmetto is POSSIBLY SAFE when administered into the rectum appropriately for up to 30 days. However, it is not known if it is safe to use for longer periods of time.
Special Precautions & Warnings:Pregnancy and breast-feeding: Saw palmetto is LIKELY UNSAFE when used during pregnancy or breast-feeding. It acts like a hormone, and this could be dangerous to the pregnancy. Don't use during pregnancy or breast-feeding.
Surgery: Saw palmetto might slow blood clotting. There is some concern that it might cause extra bleeding during and after surgery. Stop using saw palmetto 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.