DENVER - This is the time of year that flies lay eggs on dogs.

Sometimes these eggs become larvae which burrow under the skin and grow. This week we have seen several dogs with large sores on their sides which turned out to be this larva growing under the skin. These are painful. If you suspect your pet has one of these under the skin, it is very important to bring your pet to the veterinarian and NOT to squeeze the bump.

If the larva is squished it releases a chemical to which many dogs have an acute and life threatening allergic reaction. With careful attention a veterinarian can safely remove the larva and the dog will be cured right away.

Dr. Apryl Steele, the owner of Tender Touch Animal Hospital, is a frequent contributer to 9NEWS.

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