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Fennel
  • Treatments
  • Herbal Supplementation

Fennel

Generic name: fennel [ FEH-nell ]
Drug class:Herbal products

Medically reviewed by Drugs.com on Sep 23, 2021. Written by Cerner Multum.

What is fennel?

Fennel is an herb also known as Anethum Foeniculum, Anethum piperitum, Bari-Sanuf, Carosella, Fenouil, Finnochio, Foeniculi Antheroleum, Foeniculum, Hinojo, Huile de Fenouil, Phytoestrogen, Sanuf, Shatapuspha, Xiao Hui Xiang, and other names.

Fennel has been used in alternative medicine as a possibly effective aid in treating colic (intestinal gas) in babies who are breast-fed. Fennel may have been combined with other plants or extracts in a specific preparation to treat this condition.

Other uses not proven with research have included indigestion, gas or bloating, bronchitis, cough, or cold symptoms.

It is not certain whether fennel is effective in treating any medical condition. Medicinal use of this product has not been approved by the FDA. Fennel should not be used in place of medication prescribed for you by your doctor.

Fennel is often sold as an herbal supplement. There are no regulated manufacturing standards in place for many herbal compounds and some marketed supplements have been found to be contaminated with toxic metals or other drugs. Herbal/health supplements should be purchased from a reliable source to minimize the risk of contamination.

Fennel may also be used for purposes not listed in this product guide.

Warnings

Follow all directions on the product label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

You should not use this product if you are allergic to fennel or if you have:

  • past or present cancer of the breast, ovary, or uterus; or

  • a history of endometriosis or uterine fibroids.

Ask a doctor, pharmacist, or other healthcare provider if it is safe for you to use this product if you have:

  • allergies to plants such as celery, carrot, or mugwort.

It is not known whether fennel will harm an unborn baby. Do not use this product without medical advice if you are pregnant.

Fennel can make birth control pills less effective. Ask your doctor about using non hormonal birth control (condom, diaphragm with spermicide) to prevent pregnancy while taking fennel.

Fennel may pass into breast milk and may harm a nursing baby. ...