Fleas are tiny parasites that feed on blood, both human and animal. To keep yourself and your home free of fleas, you can use any of many chemical controls available for sale. You can also use natural flea repellents to protect yourself.
To keep fleas out of your home, you can apply natural products around the baseboards and entry points of your house. Solutions of orange oil, eucalyptus oil, or boric acid will repel fleas and keep your home pest free, according to the book "Your Adopted Dog," by Shelley Frost and Katerina Lorenzatos Makris (2007).
When you are outside, you can use common plants that contain pyrethrin to repel fleas. The leaves of a catnip plant contain oil that is toxic. The juices found in the common tansy and in wild leeks will keep fleas far from you. Crush the leaves and flowers of the plants in your hands until you have a wet paste, then apply it to exposed areas of your skin.
Although plant oils are a natural flea repellent, they are not completely safe. The common tansy is poisonous to animals if eaten, so take care if using it around children or pets, according to the book "Practical Outdoor Survival," by Len McDougall (2008).
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