Why Do Dogs Eat Grass?

Have you ever turned your back for a moment only to see your dog chomping on grass? While it can be alarming, dogs eating grass is usually normal behavior. At Meyer’s Tails Up Farm in Belvidere IL, we help owners understand why their dogs may graze on lawns and how to keep them safe.

Reasons Dogs Eat Grass

Some experts suggest grass-eating may be a type of pica, caused by a nutrient deficiency. Dogs might be seeking extra fiber, which helps with digestion, gas relief, and stool regulation. However, if your dog eats a complete and balanced diet, grass consumption may simply be instinctual.

Dogs are omnivores, and their ancestors may have ingested plant matter as part of prey. Many dogs also enjoy the texture and taste of fresh grass, particularly in spring when new shoots emerge.

Is Eating Grass Bad for Dogs?

For most dogs, eating grass is harmless. Only about 25% of dogs vomit afterward, and only 10% show signs of illness prior to eating grass. However, grass can carry intestinal parasites or harmful chemicals, including pesticides or herbicides, which can pose risks.

When Should You Take Action?

Monitor your dog if they eat grass frequently or excessively. Watch for symptoms such as vomiting, diarrhea, weight loss, decreased appetite, blood in stool, or lethargy. Chewing houseplants can also be dangerous, as many varieties are toxic to dogs.

If your dog shows symptoms, consult a veterinarian. They may recommend tests like fecal exams, bloodwork, or a physical check. For minor incidents with no symptoms, keep your dog hydrated, allow potty breaks, and withhold food for 8–12 hours before gradually reintroducing meals.

Helping Your Dog Safely

While grass-eating is often normal, you can train your dog to minimize the behavior for safety and peace of mind. Meyer’s Tails Up Farm in Belvidere IL offers guidance, training, and support to help your dog develop safe and healthy habits.