If your dog is experiencing any of the following symptoms, they may be allergic to grass: -Excessive scratching or licking of the paws -Rubbing the face or body against furniture or the ground -Hives -Swelling of the face, lips, or eyelids -Breathing difficulty -Vomiting -Diarrhea -Lethargy If your dog is displaying any of these symptoms, it is important to take them to the vet immediately. Allergies can be extremely serious and even life-threatening, so it is important to get your dog the care they need as soon as possible. At the vet, they will likely do a skin test to determine what your dog is allergic to. Once the allergen is identified, they will work with you to create a treatment plan. This may involve medications, special shampoos, dietary changes, and more. If your dog is allergic to grass, it is important to take steps to avoid their exposure to it as much as possible. This may mean keeping them inside during certain times of year, avoiding certain areas of your yard, and more. If you suspect that your dog may be allergic to grass, don't wait to get them to the vet. Allergies can be extremely serious, and the sooner you get your dog the care they need, the better.