Does Cordyceps Cause Any Side Effects?


Quick Answer

Cordyceps may slow blood clotting, increase immune system activity, and increase the risk of bleeding during surgery. Pregnant and breastfeeding women should avoid cordyceps because there is not enough information to determine its safety, as of 2015. Cordyceps is possibly safe when taken as directed, according to WebMD.

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Full Answer

People with auto-immune diseases, including multiple sclerosis, lupus and rheumatoid arthritis, should not take cordyceps, as it may increase the symptoms by causing the immune system to work harder, notes WebMD. Because cordyceps can reduce blood clotting, people with bleeding disorders should avoid cordyceps. Cordyceps should not be taken within two weeks of surgery.

Because cordyceps may boost the immune system, it can interact with medications that decrease the immune system, states WebMD. Anyone who is taking medicine to decrease the immune system should speak to a doctor before taking cordyceps. Appropriate cordyceps dosages vary depending on a person's age, health and other factors.

People take cordyceps to improve athletic performance, to slow the aging process and to increase energy. People with hepatitis B may take cordyceps to improve their liver function, states WebMD. It may also be used for male sexual problems, high cholesterol, opium addiction, weight loss, anemia and irregular heartbeat. Cordyceps is also used to treat bronchitis, coughing, weakness, dizziness and ringing in the ears. Additional study is needed to verify the efficacy of cordyceps for these uses.

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