![]() Try to identify the allergen, which might be pollen, pet dander, or mold spores, and reduce exposure to it as much as possible. Other methods to treat and prevent allergy symptoms include: Avoiding the allergenĪllergy avoidance is typically the first line of defense against symptoms. If natural antihistamines do not reduce a person’s allergy symptoms, they may need to seek alternatives. The NCCIH state that there is not enough evidence to suggest that the following natural products can help with the symptoms of allergic rhinitis: People can buy quercetin supplements at health stores or online. Very high doses, especially when taken long-term, may cause kidney damage. It may cause headaches and tingling in the arms and legs of some people. Quercetin is generally safe for most people. This is because foods contain significantly lower levels of the flavonoid. However, taking supplements of quercetin will work better in the treatment of allergies than eating foods that contain it. Quercetin is naturally present in many foods and herbs, including: However, the evidence for its effectiveness is mixed, and according to the NCCIH, there is not enough evidence to suggest that quercetin can relieve allergic rhinitis. In one animal study, researchers found that quercetin could reduce the respiratory effects of allergies in mice by lowering airway inflammation. Research reports that quercetin can have anti-allergic and antihistamine properties. Research suggests that adding quercetin to the diet may help to relieve allergy symptoms. Quercetin is an antioxidant flavonoid found in many plants and foods. The plant extract can also cause allergic reactions in people with sensitivities to ragweed, chrysanthemums, marigolds, and daisies. However, no studies have looked into the long-term effects of using these products. Extracts of butterbur that do not contain these substances are available. Raw butterbur extracts contain certain compounds called alkaloids that can cause liver damage and cancer. Most people tolerate butterbur well, according to the NCCIH, but it may cause side effects such as: However, the authors of the review point out that some large studies received funding from industry manufacturers, and so further independent research is needed. This review suggested that butterbur was better than a placebo, or as effective as antihistamine medications, for relieving allergy symptoms. People often use butterbur to treat migraines and hay fever, also known as allergic rhinitis.Īccording to the National Center for Complementary and Integrative Health (NCCIH), butterbur may have antihistamine effects.Ī 2007 review of 16 randomized controlled trials, testing 10 herbal products, suggests that butterbur could be an effective herbal treatment for hay fever. Vitamin C supplements, with and without bioflavonoids, are available in health stores, drug stores, and online.īutterbur is a plant extract from a shrub that grows in Asia, Europe, and some parts of North America. The vitamin is present in many fruits and vegetables, including: They also reported that a deficiency in vitamin C might lead to allergy-related diseases.Īnother study from 2000 suggests taking 2 grams (g) of vitamin C daily to act as an antihistamine. The researchers observed that high doses of intravenous vitamin C reduced allergy symptoms. As vitamin C is a powerful antioxidant and anti-inflammatory, it may act as a treatment for allergies. It also acts as a natural antihistamine.Īccording to a 2018 study on vitamin C in the treatment of allergies, oxidative stress plays a key role in allergic diseases. Share on Pinterest Design by MNT Photography by Karl Tapales/Getty Images & Jonathan Knowles/Getty Images
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