Although the evidence is weak, some studies have shown that European elder may relieve flu symptoms.
There is currently no reliable evidence available for the effectiveness of elderberry or elder flower for other uses.
Uncooked or unripe elderberries, leaves, seeds, and other parts of the tree may cause nausea, vomiting, or severe diarrhea due to the presence of a cyanide-producing chemical. Cooking the plant parts eliminates this toxin.
European elder should likely be avoided by people who are allergic to grass pollen.
There may be an interaction between European elder and the following medications:
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.
*All medications have both common (generic) and brand names. The brand name is what a specific manufacturer calls the product (e.g., Tylenol®). The common name is the medical name for the medication (e.g., acetaminophen). A medication may have many brand names, but only one common name. This article lists medications by their common names. For information on a given medication, check our Drug Information database. For more information on brand names, speak with your doctor or pharmacist.