Yarrow

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What other names is Yarrow known by?

Achilee, Achillea, Achillea borealis, Achillea lanulosa, Achillea magna, Achillea millefolium, Achillée, Achillée Boréale, Achillée Laineuse, Achillée Millefeuille, Acuilee, Band Man's Plaything, Bauchweh, Birangasifa, Birangasipha, Biranjasipha, Bloodwort, Carpenter's Weed, Civan Percemi, Common Yarrow, Devil's Nettle, Devil's Plaything, Erba Da Cartentieri, Erba Da Falegname, Gandana, Gemeine Schafgarbe, Green Arrow, Herbe à la Coupure, Herbe à Dindes, Herbe aux Charpentiers, Herbe Militaire, Huile Essentielle d'Achillée, Katzenkrat, Milefolio, Milenrama, Milfoil Millefeuille, Millefolium, Millefolii Flos, Millefolii Herba, Millegoglie, Noble Yarrow, Nosebleed, Old Man's Pepper, Rajmari, Roga Mari, Sanguinary, Soldier's Wound Wort, Sourcil de Vénus, Staunchweed, Tausendaugbram, Thousand-Leaf, Wound Wort, Yarrow Essential Oil.

What is Yarrow?

Yarrow is an herb. The above ground parts are used to make medicine.

Yarrow is used for fever, common cold, hay fever, absence of menstruation, dysentery, diarrhea, loss of appetite, gastrointestinal (GI) tract discomfort, and to induce sweating.

Some people chew the fresh leaves to relieve toothache.

Yarrow is applied to the skin to stop bleeding from hemorrhoids; for wounds; and as a sitz bath for painful, lower pelvic, cramp-like conditions in women.

In combination with other herbs, yarrow is used for bloating, intestinal gas (flatulence), mild gastrointestinal (GI) cramping, and other GI complaints.

In foods, the young leaves and flowers of yarrow are used in salads.

In manufacturing, yarrow is also used as a cosmetic cleanser and in snuff. Yarrow oil is used in shampoos.

Insufficient Evidence to Rate Effectiveness for...

More evidence is needed to rate the effectiveness of yarrow for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

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How does Yarrow work?

Yarrow contains many chemicals that might affect blood pressure and possibly have anti-inflammatory effects.

Are there safety concerns?

Yarrow is LIKELY SAFE when taken by mouth in the amounts commonly found in food. However, yarrow products that contain thujone might not be safe.

Yarrow is POSSIBLY SAFE when taken by mouth in medicinal amounts. In some people, yarrow might cause drowsiness and increase urination when taken by mouth. When it comes in contact with the skin, yarrow might cause skin irritation.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Yarrow is LIKELY UNSAFE when taken by mouth during pregnancy as it can affect the menstrual cycle and might cause miscarriage. .

There is not enough reliable information about the safety of taking yarrow if you are breast-feeding. Stay on the safe side and avoid use.

Bleeding disorder: Yarrow might slow blood clotting. In theory, taking yarrow might increase the risk of bleeding in people with bleeding disorders.

Allergy to ragweed and related plants: Yarrow may cause an allergic reaction in people who are sensitive to the Asteraceae/Compositae family. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many others. If you have allergies, be sure to check with your healthcare provider before taking yarrow.

Surgery: Yarrow might slow blood clotting so there is a concern that it might increase bleeding during and after surgery. Stop taking yarrow at least 2 weeks before a scheduled surgery.

Are there any interactions with medications?



Lithium
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Yarrow might have an effect like a water pill or "diuretic." Taking yarrow might decrease how well the body gets rid of lithium. This could increase how much lithium is in the body and result in serious side effects. Talk with your healthcare provider before using this product if you are taking lithium. Your lithium dose might need to be changed.



Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Large amounts of yarrow might slow blood clotting. Taking yarrow along with medications that also slow clotting might increase the chances of bruising and bleeding.

Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), diclofenac (Voltaren, Cataflam, others), ibuprofen (Advil, Motrin, others), naproxen (Anaprox, Naprosyn, others), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, warfarin (Coumadin), and others.



Sedative medications (Barbiturates)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Yarrow might cause sleepiness and drowsiness. Medications that cause sleepiness are called sedatives. Taking yarrow along with sedative medications might cause too much sleepiness.



Antacids
Interaction Rating: Minor Be cautious with this combination.
Talk with your health provider.

Antacids are used to decrease stomach acid. Yarrow may increase stomach acid. By increasing stomach acid, yarrow might decrease the effectiveness of antacids.

Some antacids include calcium carbonate (Tums, others), dihydroxyaluminum sodium carbonate (Rolaids, others), magaldrate (Riopan), magnesium sulfate (Bilagog), aluminum hydroxide (Amphojel), and others.



Medications that decrease stomach acid (H2-blockers)
Interaction Rating: Minor Be cautious with this combination.
Talk with your health provider.

Yarrow might increase stomach acid. By increasing stomach acid, yarrow might decrease the effectiveness of some medications that decrease stomach acid, called H2-blockers.

Some medications that decrease stomach acid include cimetidine (Tagamet), ranitidine (Zantac), nizatidine (Axid), and famotidine (Pepcid).



Medications that decrease stomach acid (Proton pump inhibitors)
Interaction Rating: Minor Be cautious with this combination.
Talk with your health provider.

Yarrow might increase stomach acid. By increasing stomach acid, yarrow might decrease the effectiveness of medications that are used to decrease stomach acid, called proton pump inhibitors.

Some medications that decrease stomach acid include omeprazole (Prilosec), lansoprazole (Prevacid), rabeprazole (Aciphex), pantoprazole (Protonix), and esomeprazole (Nexium).

Dosing considerations for Yarrow.

The appropriate dose of yarrow depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for yarrow. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Reviewed on 3/29/2011 12:35:40 PM

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