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Herbs & Supplements
Arnica montana
Scientific Name: Arnica
Other Names: Leopard's Bane, Mountain Snuff, Mountain Tobacco, Wolf's Bane, Wolfbane
When should I be careful taking it?
If it is swallowed, arnica may cause a rapid increase in blood pressure, which can damage the heart. This possible risk may occur in individuals with no previous history of heart problems, but it may be especially hazardous for individuals with heart conditions or for those who take medications to control high blood pressure. While the oral use of arnica is not recommended for any individual, those with heart conditions should be particularly careful to avoid taking it.
Precautions
Applying arnica topically for prolonged periods, especially on the same part of the skin, can result in irritation at the place where it is applied. If an arnica preparation that is too strong is used, blistering, scarring, and even permanent skin damage may result. Arnica can also be irritating to the eyes, nose, and other mucous membranes. Children and elderly individuals generally have skin that is more sensitive, therefore, they may be more likely to have skin reactions from applying arnica.
Possibly, small amounts of topically applied arnica may be absorbed through the skin. Very little information is available on how arnica might affect a developing fetus, an infant, or a small child. Therefore, even topical use of arnica is discouraged during pregnancy, while breast-feeding, or during early childhood.
Individuals who must handle arnica plants frequently have been known to develop contact allergies to it. Individuals who are allergic to plants of the daisy family may also be allergic to arnica.
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Note: The above information is not intended to replace the advice of your physician, pharmacist, or other healthcare professional. It is not meant to indicate that the use of the product is safe, appropriate, or effective for you.
In general, herbal products are not subject to review or approval by the U.S. Food and Drug Administration (FDA). They are not required to be standardized, meaning that the amounts of active ingredients or contaminants they contain may vary between brands or between different batches of the same brand. Not all of the risks, side effects, or interactions associated with the use of herbal products are known because few reliable studies of their use in humans have been done.
This information is provided for your education only. Please share this information with your healthcare provider and be sure that you talk to your doctor and pharmacist about all the prescription and non-prescription medicines you take before you begin to use any herbal product.
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When should I be careful taking it? 
