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- Elderberry (Sambucus nigra) berries and leaves have traditionally been used to treat pain, swelling, infections, coughs, and skin conditions and, more recently, flu, common cold, fevers, constipation, and sinus infections.
- Ephedra (Ephedra sinica)) has been used for more than 5,000 years in traditional Chinese medicine for respiratory ailments. Products containing ephedra for weight loss, energy and athletic performance, particularly those also containing caffeine, have been linked to stroke, heart arrhythmia, and even death. Such products have been banned in the United States since December, 2003. Other dietary supplements containing ephedra were similarly banned in February, 2004.
- Eucalyptus (Eucalyptus globulus) leaves were widely used in traditional medicine as a febrifuge. Eucalyptus oil is commonly used in over-the-counter cough and cold medications, as well as for an analgesic.
- European Mistletoe (Viscum album) has been used to treat seizures, headaches, and other conditions.
- Evening primrose (Oenothera spp.) oil has been used since the 1930s for eczema, and more recently as an anti-inflammatory
Read more about this topic: List Of Plants Used In Herbalism