Can Saw Palmetto Cause Diarrhea (2025)

Saw palmetto, a tree with thorn-shaped leaves, is known for its health benefits, including supporting prostate and urinary health and reducing male pattern baldness. However, it has been linked to adverse effects such as abdominal pain, nausea, diarrhea, vomiting, and constipation. The University of Rochester Medical Center states that dried saw palmetto berries are responsible for the plant’s health-supporting properties.

Side effects of saw palmetto include diarrhea, headache, fatigue, decreased libido, nausea, vomiting, and vertigo. It is generally considered safe when used as directed, but some mild side effects include dizziness, headache, nausea, vomiting, diarrhea, headache, dizziness, or impotence. In one case, significant bleeding during surgery was attributed to saw palmetto.

Shad palmetto is likely safe when used for up to three years, with most common side effects being mild. However, if any of these effects last or worsen, it is important to inform your doctor or pharmacist.

Headache, diarrhea, and hot flashes may occasionally occur, but few serious side effects have been reported. Liver damage and other serious health issues have also been reported.

In conclusion, saw palmetto supplements are generally safe for most people, but there are potential side effects that should be reported to your doctor or pharmacist. It is essential to consult with a healthcare professional if any of these symptoms persist or worsen.

How long does it take for saw palmetto to shrink the prostate?

For BPH, studies have used a daily intake of 320 milligrams of saw palmetto split into two doses.

The doses will be different in other forms, such as tinctures (a liquid preparation). Get advice from your doctor. It may take 4 to 6 weeks for saw palmetto to have an effect.

Side effects are uncommon and typically mild. The most common are:

• Nausea
• Stomach pain
• Bad breath
• Constipation
• Diarrhea
• Vomiting

What happens if you take saw palmetto every day?

When taken by mouth: Saw palmetto is likely safe when used for up to 3 years. Side effects are usually mild and might include dizziness, headache, nausea, and diarrhea. When given rectally: Saw palmetto is possibly safe when used for up to 30 days. It’s unknown if it is safe to use for longer periods of time.

Saw palmetto (Serenoa repens) is a tree that grows up to 10 feet tall with thorn-shaped leaves arranged like a fan. Its ripe fruit is used to make medicine.

Saw palmetto seems to lower the amount of pressure on the tubes that carry urine in males. Saw palmetto also might prevent testosterone from being converted to a more potent form called dihydrotestosterone (DHT). Reduced levels of DHT might help prevent some types of hair loss.

People commonly use saw palmetto for symptoms of an enlarged prostate called benign prostatic hypertrophy ( BPH ). But it doesn’t seem to improve this condition. Saw palmetto is also used to prevent complications from prostate surgery and for treating other prostate conditions, male-pattern baldness, sexual dysfunction, and many other purposes, but there is no good scientific evidence to support most of these uses.

When should I stop taking saw palmetto?

Saw palmetto can affect blood-clotting and may increase your risk of bleeding. If you need surgery, dental work, or a medical procedure, stop taking saw palmetto at least 2 weeks ahead of time.

Can saw palmetto cause bowel problems?

Saw palmetto is considered safe and generally well-tolerated with minimal side effects. Some of the most common side effects that you may experience when taking saw palmetto supplements, though, include constipation, nausea, headache, and dizziness. You need to keep these and other things in mind if you’re taking or planning to take saw palmetto supplements.

Because saw palmetto can impact hormone levels, they’re not recommended if you’re pregnant, breastfeeding, taking hormone-based contraceptives, or undergoing hormone replacement therapy. Supplements can increase the chances of unplanned pregnancy by making contraceptives less effective.

Saw palmetto can also increase the risk of bleeding by affecting the body’s blooding-clotting ability and interfering with the activity of blood thinners like warfarin and coumadin. Saw palmetto may also impact the absorption of iron by the body.

What is the negative effect of saw palmetto?

Side effects are very rare, although headache, nausea, diarrhea, and dizziness have been reported. In at least one case, significant bleeding during surgery was attributed to saw palmetto. There have been two reports of liver damage and one report of pancreas damage in people who took saw palmetto.

Agbabiaka TB, Pittler MH, Wider B, Ernst E. Serenoa repens (saw palmetto): a systematic review of adverse events. Drug Saf. 2009;32:637-647.

Andriole GL, McCullum-Hill C, Sandhu GS, Crawford ED, Barry MJ, Cantor A. The effect of increasing doses of saw palmetto fruit extract on serum prostate specific antigen: analysis of the CAMUS randomized trial. J Urol. 2013;189:486-492.

Avins AL, Lee JY, Meyers CM, Barry MJ. Safety and toxicity of saw palmetto in the CAMUS trial. J Urol. 2013;189:1415-1420.

What supplements should not be taken with saw palmetto?

What should I avoid while taking saw palmetto?. Avoid using saw palmetto together with other herbal/health supplements that can also affect blood-clotting. This includes angelica (dong quai), capsicum, clove, danshen, garlic, ginger, ginkgo, horse chestnut, panax ginseng, poplar, red clover, turmeric, vitamin E, and willow.

What other drugs will affect saw palmetto?. Do not take saw palmetto without medical advice if you are using any of the following medications:

Birth control pills or hormone replacement therapy;

Is saw palmetto a good DHT blocker?

More research is needed, but saw palmetto shows promise in helping with hair loss that has a hormonal cause, like androgenic alopecia. However, since it works by blocking DHT, it won’t be effective in aiding hair regrowth from non-hormonal types of hair loss like telogen effluvium (aka hair loss from stress).

Saw palmetto is a palm tree found mostly in the southeastern United States, which also answers to the scientific name Serenoa repens.

It may help alleviate symptoms linked to an enlarged prostate gland, also known as benign prostatic hyperplasia (BPH). It’s also sometimes used to treat chronic pelvic pain, migraines, and other conditions.

It has to do with DHT or dihydrotestosterone, a male androgen hormone associated with hair loss.

How long can you safely take saw palmetto?

High doses of saw palmetto appear safe over 18 months Extracts of saw palmetto berry used at doses of up to 960 mg daily appear to be safe over an 18-month period, according to a study published in the April issue of The Journal of Urology.

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When should you avoid saw palmetto?

Saw palmetto may have effects similar to some hormones, and should not be used in pregnant or nursing women, or women who have had or are at risk for hormone-related cancers. Saw palmetto may interfere with the absorption of iron.

What is the disadvantage of DHT blocker?

Long-term use of DHT blockers can lead to persistent side effects such as sexual dysfunction, hormonal imbalances, and potential liver issues. Continuous monitoring by a healthcare provider is recommended.

Can DHT blockers be used in conjunction with other hair loss treatments?

Yes, DHT blockers can often be used alongside other treatments like minoxidil, PRP therapy, and hair transplants. Combining treatments may enhance overall effectiveness but should be done under medical supervision.

How to know if DHT is high?

DHT and PCOSIrregular periods. Increase in facial and unwanted hair in the back. Acne in the chin area. Increase or decrease in weight. Mood swings. Male pattern baldness. Loss or increase in appetite.

Dihydrotestosterone (DHT) is a crucial factor in the development of male sexual structures. Disruptions in DHT levels can lead to various complications, which can vary depending on the individual’s age and stage of sexual development. To ascertain your DHT levels accurately, it is advisable to undergo a DHT test.

What is DHT (Dihydrotestosterone)?. Dihydrotestosterone is a pivotal hormone essential for the sexual maturation process within the human body. DHT, classified as an androgen, is responsible for developing male genes and characteristics. From the fetus to adulthood, DHT levels play a significant role in sexual development.

The DHT levels keep changing as you go through various stages in life. Dihydrotestosterone in females is still not yet well understood. Doctors and scientists are trying to figure out its role in the female body and pubic hair growth.