Horney goat weed is an herb traditionally used in Chinese medicine to correct erectile dysfunction in men and to increase libido or sexual drive in both men and women. Goat weed, known by a variety of names such as Epimedium, barren wort and yin yang huo, grows in large areas of Asia. It can be found in natural health and herbal stores in tablet or capsule form. Limited research has been conducted on this product; however, mild side effects are indicated from overdose or prolonged use of Epimedium. You should consult with your physician before trying this supplement.
Stomach Distress
People may assume that because a product is a natural substance, it therefore is always safe; yet this is not accurate, for any natural product with medicinal properties may produce adverse effects. A particular medicinal formula of Epimedium contains phytoestrogens, which is considered safe to use for up to two years, according to RxList. Continued use beyond this time period or high dosages may produce gastrointestinal side effects. For example, you may experience mild nausea with vomiting after starting this supplement or after the two-year period. Additionally, you may notice that you are thirsty and have a very dry mouth. Should these side effects continue with no signs of subsiding, contact your doctor, especially in the case of prolonged vomiting that may lead to dehydration.
Hypotension and Dizziness
A major adverse effect of horny goat weed is that it may lower your blood pressure. This condition is called hypotension. Related to this side effect is evidence indicating that this supplement has blood-thinning properties, which may affect blood pressure and produce dizziness, according to MayoClinic.com. Therefore, if you have a medical history of cardiovascular disease and/or blood pressure problems, or you are currently on blood pressure or anti-coagulation medicine, you should speak with a doctor before trying horny goat weed. High dosages for a prolonged period may make you have muscle spasms as well as breathing problems. Finally, another related side effect is that you may begin experiencing frequent nosebleeds, according to eMedTV. The presentation of any of these side effects should be evaluated by your doctor as soon as possible. Discontinuance of this supplement may be advised.
Contraindications
Women who have cardiovascular disease and women who have cancer that is estrogen-positive should not use goat weed because of this product's estrogenic effect. Pregnant women or women who are nursing should not take horny goat weed supplement unless they have discussed it first with a doctor. Limited research is available as to the safety of goat weed for newborns; therefore, extreme caution is necessary to protect both mother and infant.



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