What are the most common parasites dogs can get from eating grass? Dogs can contract several parasites from grass, with roundworms, hookworms, and whipworms being the most prevalent.
What causes dog eating grass and not eating? Learn the causes, what to do and when to seek help.

Now, lets explore the potential link between grass-eating in dogs and intestinal parasites. Intestinal parasites, such as worms, can cause a range of symptoms in dogs, including diarrhea, vomiting, and weight loss.

Parasites or Illness: Internal parasites or gastrointestinal disease can increase the urge to eat things like grass. Medical issues that can cause stomach upset, which may lead to grass eating, include inflammatory bowel disease, gastric reflux, and pancreatitis.

If your dog is eating grass along with showing signs such as diarrhea, weight loss, lethargy, and worms in the stool, intestinal parasites could be the cause. Consult your veterinarian about performing fecal parasite and other diagnostic testing.