Nausea, dizziness, decreased sex drive, and loss of appetite are some of the more bothersome side effects of saw palmetto. Fortunately, most side effects, if they occur, are not serious. However, saw palmetto side effects that are potentially serious and require medical attention include unusual or unexplained bruising or bleeding, an unexplained rash, and wheezing or difficulty breathing.
Does Saw Palmetto Cause Side Effects?
People often assume that natural products are automatically free of side effects, especially dangerous side effects. However, this is simply not the case. As with any medication or supplement, side effects are possible with
saw palmetto (
Serenoa repens).
(This article covers many, but not all, of the possible side effects with saw palmetto. Your healthcare provider can discuss a more complete list of saw palmetto side effects with you.)
Possible Saw Palmetto Side Effects
Potentially bothersome (although not usually serious) side effects of saw palmetto may include:
Saw Palmetto Side Effects to Report
Some side effects with saw palmetto, while occurring infrequently, are potentially serious and should be reported to your healthcare provider right away. These include but are not limited to:
- Inflammation of the liver (hepatitis) or pancreas (pancreatitis)
- Any unusual or unexplained bruising or bleeding
- Signs of an allergic reaction, such as:
- A rash
- Hives
- Itching
- Swelling of the mouth or throat
- Wheezing
Unpredictable side effects are also possible due to contaminants in saw palmetto products. Because herbs and supplements are not as tightly regulated as prescription or non-prescription drugs, they are sometimes contaminated with other herbs, medications, or even heavy metals. In order to avoid such problems, it is important to choose saw palmetto products that are made by trustworthy manufacturers. Your pharmacist can help you choose a good saw palmetto product.
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