The Web Health



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

What is Fennel?

Fennel is a plant called Anethum Foeniculum, Anethum piperitum Bari-Sanuf Carosella, Fenouil, Finnochio, Foeniculi Antheroleum, Foeniculum Hinojo, Foeniculum de Fenouil, Phytoestrogen, Sanuf, Shatapuspha, Xiao Hui Xiang, and many other names. Fennel has been utilized in alternative medicine as a beneficial treatment for colic (intestinal gas) in infants who are breastfed. Fennel has been used together with various other herbs or extracts to create a formulation to treat the condition. Other applications that aren't supported by research include indigestion, gas, bronchitigascough, and the symptoms of a cold.

It isn't known for certain if it is effective for treating medical conditions. The medical use of this product is not recognized by the FDA. Fennel shouldn't be used as a substitute for medications that are prescribed by your physician. Fennel is usually offered as an herbal remedy. There aren't any regulated manufacturing standards for a variety of herbal compounds, and some of the supplements that are advertised have been discovered to contain contamination with poisonous metals or other substances. The best herbal and health supplements are purchased from a reputable source to reduce the risk of contamination. Fennel is also used for reasons not mentioned in this guide to products.

Side effects of Fennel

See a doctor immediately. If you experience any of the following symptoms, warning signs of an allergic reaction may include hives, difficulty breathing, or swelling of your lips, face, and tongue.

Although no side effects are well-known, there is thought to be a possibility of safety for a brief duration.

Stop using fennel. Call your doctor immediately if you are suffering from:

  • Extreme facial redness the itching, swelling, severe skin redness, itching, swelling, and rash.

Common negative effects of fennel include:

  • Mild rash and itching

This isn't a complete list of all the side effects. Other side effects could be present. Contact your doctor for advice regarding medical adverse effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


Follow all the instructions on the product's label and the package. Be sure to inform your health care providers about your medical issues, allergies, and any medications you take.

Prior to use this drug

This product if your body is allergic to fennel or are:

  • Present or past or present of the ovary, breast, or uterus;
  • A past history suggests the condition known as endometriosis or fibroids in the uterine.

Talk to a pharmacist, doctor, or any other healthcare professional to determine if it's safe to take this medication in the event that you suffer from:

  • Reactions to plants like celery, carrots, or mugwort.

Unknown as of yet is whether this will harm an unborn baby. Don't use this product unless you have medical advice when you are pregnant.

Fennel is known to create birth pills to control birth in a less efficient way. Consult your physician about non-hormonal birth controls (condom diaphragm, diaphragm containing diaphragm, spermicide) to avoid pregnancy while taking fennel. Fennel can be absorbed into the breast milk and cause harm to the nursing baby. Do not breastfeed when you take fennel. Don't give herbal or health supplements to your child without medical guidance.

How to take fennel?

If you're considering taking herbal supplements, you should seek the advice of your physician. It is also possible to consult someone who is certified in the use of herbal or health supplements. If you decide to use fennel, do so according to the instructions on the packaging or as recommended by your physician, pharmacist, or any other healthcare professional. Use less of this product than what is suggested according to the package.

Avoid using various forms (tablets, liquids, tincture teas, etc.) of fennel simultaneously without medical guidance. Utilizing different formulations in combination can increase the risk of overdose. Consult your physician to discuss your medical condition if the one you're treating with fennel fails to improve or gets worse when you use this product. Keep fennel stored in a tightly enclosed container that is kept at room temperature and far from heat, moisture, and light.

What happens if I miss the dose?

Do not miss any missed doses if it's close to the time of the next dose. Don't use any of the extra fennel in order to make up the dose you missed.

What happens if I overdose?

Get medical attention in an emergency or contact the Poison Help Line toll-free at 1-800-222-1222.

What should be avoided?

Avoid exposure to the sun as well as tanning beds. Fennel may cause the skin to burn more quickly. Be sure to wear protective attire and apply sunblock (SPF 30 or more) in the outdoors.

Interaction with other drugs

Don't take fennel if you don't have medical advice before using any of these medicines:

  • Ciprofloxacin (Cipro);
  • Tamoxifen; or
  • Birth hormonal replacement therapy.

This list isn't complete. Other drugs can be incompatible with fennel, such as prescription and over-the-counter medicines, vitamins, and herbal products. The interactions of fennel aren't all included in this guide to products.