Lemon extract is a good home remedy for killing fleas. It can get rid of any existing fleas and kill the eggs that may have been laid. It is perfectly safe and will not harm your dog.

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Making Lemon Extract

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Lemon extract can be made right at home. Thinly slice a lemon and score the edges. Place it in a pint-sized jar and cover it with boiling water. Cover the mixture and allow it to steep overnight. After the mixture has sat overnight, it can be poured into a spray bottle and used for treating your pets and your home.

Treating Your Dog

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The homemade lemon extract will kill fleas on a dog on contact. It can be sprayed on or rubbed on and then massaged into the fur. Some cats can be allergic to citrus oils, so it is not advised to use this mixture on cats.

Treating Your Home

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The lemon extract mixture can also be used to treat fleas in the home. Carpets and furniture can be treated throughout the home. Be sure to spray your dog's bedding and all areas that he lies or plays in frequently.