"Internal parasites" refers to organisms that live inside another organism and rely on it for survival. These parasites take nourishment from their host and can cause harm or disease. Full definition
The control of internal parasites in cats should be managed by a licensed veterinarian. (laurelwoodvets.com)
We test fecal samples to check for internal parasites like worms. (elcaminovet.com)
To keep our pets and other family members healthy, we recommend year - round heart worm and internal parasite control for your cats and dogs. (mountainviewanimalhospital.com)