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Other Names:

English Watercress, Erísimo, Erysimum, Erysimum officinale, Herbe au Chanvre, Moutarde des Haies, Singer's Plant, Sisymbre, Sisymbre Officinal, Sisymbrium officinale, St. Barbara's Hedge Mustard, Thalictroc, Vélar, Vélar Officinal.

HEDGE MUSTARD Interactions
HEDGE MUSTARD Overview Information

Hedge mustard is a plant. The leaves, stems, and flowers are used to make medicine.

Despite serious safety concerns, people take hedge mustard to treat urinary tract diseases, coughs, chronic bronchitis, and swelling (inflammation) of the gallbladder.

Hedge mustard is also used as a gargle or mouthwash.

Be careful not to confuse hedge mustard with other types of mustards such as black mustard, brown mustard, white mustard, Indian mustard, and Chinese mustard.

How does it work?

Hedge mustard contains vitamin C and mustard oil. There isn't enough information to know how hedge mustard might work as a medicine.

HEDGE MUSTARD Uses & Effectiveness What is this?

Insufficient Evidence for:

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

HEDGE MUSTARD Side Effects & Safety

The flowering above-ground parts of hedge mustard are considered UNSAFE to take by mouth. Hedge mustard can cause serious side effects including vomiting, diarrhea, headache, and heart rhythm disorders.

Special Precautions & Warnings:

While hedge mustard is UNSAFE for anyone to use, some people are especially sensitive to the harmful effects. Be particularly careful not to use hedge mustard if you have one of the following conditions:

Pregnancy and breast-feeding: It’s UNSAFE to use hedge mustard. It can affect the heart and cause other harm. Don’t use it.

Heart disease: Hedge mustard contains chemicals called cardiac glycosides that might make heart disease worse or interfere with treatment. Avoid use.

HEDGE MUSTARD Interactions What is this?

Major Interaction Do not take this combination

  • Digoxin (Lanoxin) interacts with HEDGE MUSTARD

    Digoxin (Lanoxin) helps the heart beat more strongly. Hedge mustard also seems to affect the heart. Taking hedge mustard along with digoxin (Lanoxin) can increase the effects and side effects of digoxin (Lanoxin). Do not take hedge mustard if you are taking digoxin (Lanoxin) without talking to your health care professional.

Moderate Interaction Be cautious with this combination

  • Antibiotics (Macrolide antibiotics) interacts with HEDGE MUSTARD

    Hedge mustard can affect the heart. Some antibiotics might increase how much hedge mustard the body absorbs. Taking hedge mustard along with some antibiotics might increase the effects and side effects of hedge mustard.
    Some antibiotics called macrolide antibiotics include erythromycin, azithromycin, and clarithromycin.

  • Antibiotics (Tetracycline antibiotics) interacts with HEDGE MUSTARD

    Taking tetracyclines with hedge mustard might increase the chance of side effects from hedge mustard.
    Some tetracyclines include demeclocycline (Declomycin), minocycline (Minocin), and tetracycline (Achromycin).

  • Quinine interacts with HEDGE MUSTARD

    Hedge mustard can affect the heart. Quinine can also affect the heart. Taking quinine along with hedge mustard might cause serious heart problems.

  • Stimulant laxatives interacts with HEDGE MUSTARD

    Hedge mustard can affect the heart. The heart uses potassium. Laxatives called stimulant laxatives can decrease potassium levels in the body. Low potassium levels can increase the chance of side effects from hedge mustard.
    Some stimulant laxatives include bisacodyl (Correctol, Dulcolax), cascara, castor oil (Purge), senna (Senokot), and others.

  • Water pills (Diuretic drugs) interacts with HEDGE MUSTARD

    Hedge mustard might affect the heart. "Water pills" can decrease potassium in the body. Low potassium levels can also affect the heart and increase the risk of side effects from hedge mustard.
    Some "water pills" that can deplete potassium include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril, Microzide), and others.


The appropriate dose of hedge mustard 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 hedge mustard. 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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Conditions of Use and Important Information: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version. © Therapeutic Research Faculty 2009.

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