Serious and less serious side effects associated with saw palmetto are prevented by discontinuing use of the herb, states EverydayHealth. The FDA has not evaluated or recommended saw palmetto as a treatment for any medical condition.
Side effects caused by saw palmetto are generally mild, according to WebMD. People who experience symptoms associated with an allergic reaction such as difficulty breathing or swelling of the face, tongue or throat, must seek medical attention at once, explains EverydayHealth. Less serious side effects such as vomiting, dizziness, bad breath, muscle pain and depression are also cause to stop taking the supplement. Always speak to a doctor before taking saw palmetto as it interacts with a wide range of medications.