Wormer refers to a type of medication used to treat infections caused by parasitic worms in animals and humans. These medications work by either killing the worms or expelling them from the body. Common types of wormers include albendazole, ivermectin, and praziquantel, each targeting specific types of worms. In veterinary medicine, wormers are often administered to pets like dogs and cats to prevent or treat infestations of intestinal worms such as roundworms and tapeworms. Regular deworming is essential for maintaining the health of pets and preventing the spread of parasites to humans and other animals.