Dogs, as well as other animals, are susceptible to parasites that live in their gastrointestinal tract. Dog worms can cause different health problems, such as vomiting, diarrhea, weight loss, hair loss etc. Some of the parasites that affect dogs can also be transferred to people and can cause different health issues. That is why veterinarians recommend regular check ups and preventive measures that can reduce the harm. In this article, we will try to educate you, so you will be able to recognize if your dog has parasites. In addition, we will present you few deworming medications that are usually used.