Do not dismiss a marked behavior change as embarrassment. Check how your dog moves and whether they eat, drink and toilet normally. Look for red or irritated skin, nicks, tender ears, sore paws or a tight mat that was removed. Do not press or scrub an area that seems painful. Call your vet promptly if they are very subdued, seem sore, will not eat, shake, hide or the change persists. If they cannot urinate, collapse or appear severely unwell, seek emergency care.
Ask the groomer what happened during the appointment, including any difficulty with handling, coat removal or drying. A short unfamiliar look can be startling, but it cannot by itself explain every sign. The article on a dog frightened at the groomer helps plan a safer next visit after you have checked health. Do not book another stressful grooming session to make the dog get used to it.
Provide a familiar resting place and gentle, ordinary routine. If the coat was cut short, ask your vet or groomer about appropriate skin and weather care for this dog. A qualified reward-based professional can support future handling if fear remains once pain and skin problems are addressed.
Today, check for physical discomfort, ask what happened at the appointment and call the vet for an abnormal change. The first question is how your dog feels, not how the haircut looks.
Sources: VCA on grooming and coat health, VCA on pain-related behavior changes, Dogs Trust on handling comfort.