The most common causes for constipation in dogs this age are intestinal parasites, foreign bodies lodged in the large intestine, or anal sac disease. In this age range, however, constipation can occassionally result from pain and neuromuscular deficiency caused by disease of the intervertebral discs of the spine. For more information on these diseases, please refer to the articles below. If you still seek further information, please visit our Ask The Vet page to submit a one on one consultation with a licensed veterinarian 24 hours a day, 7 days a week.
Intestinal parasites
GI foreign body obstruction
Anal sac disease
Intervertebral disc disease