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Researchers aren't sure which chemicals in German chamomile might cause relaxation.
German chamomile might reduce swelling by slowing the production of chemicals called prostaglandins, leukotrienes, and histamines. These chemicals are usually released to create a swelling response in the body.
German chamomile can cause allergic reactions in some people. It is in the same plant family as ragweed, marigolds, daisies, and other related herbs.
When applied to the skin, German chamomile can cause allergic skin reactions. When applied near the eyes, German chamomile may cause eye irritation.
Special Precautions & Warnings:Pregnancy and breast-feeding: Not enough is known about the use of German chamomile during pregnancy and breast-feeding. Stay on the safe side and avoid use.
Allergies to ragweed or related plants: German chamomile may cause an allergic reaction in people who are sensitive to the Asteraceae/Compositae family of plants. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many other herbs.
Hormone-sensitive condition such as breast cancer, uterine cancer, ovarian cancer, endometriosis, or uterine fibroids: German chamomile might act like estrogen in the body. If you have any condition that might be made worse by exposure to estrogen, don't use German chamomile.
Surgery: German chamomile might interact with anesthesia for surgery and should not be used 2 weeks before surgery.
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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.