Boxers have been called "cancer factories" and cancer is the #1 health concern in Boxers. They are very prone to various types of cancers, such as brain cancer, mast cell tumors, hemangiosarcoma and other soft tissue sarcomas, lymphoma, bone cancer (osteosarcoma), and mammary (breast) cancer. Potential signs of cancer to watch for: rapid weight loss; bumps/lumps; decreased energy; swelling at base of tooth; and neurological signs (seizures, difficulty walking, head tilt, brain "fog" confusion, and/or blindness).
Degenerative myelopathy (DM) in dogs is a slowly progressive destruction of the white matter of the spinal cord, similar to Lou Gehrig's Disease in people (a.k.a. ALS). It is a genetic mutation in Boxers, striking primarily older dogs and leading to the loss of many bodily functions. A DNA test for DM is available. Another disease common to Boxers is inflammatory myopathy, in which skeletal muscle cells are attacked by the immune system, or become inflamed due to infection or unknown causes. Boxers are also prone to developing spondylosis, which is a condition where bone spurs develop across the bottom of the vertebrate; while these often cause no clinical signs, sometimes they cause severe back pain and/or loss of both flexibility and range of motion. Joint disease (hip and elbow dysplasia) is also common in Boxers.
Boxers are also more likely than many breeds to bloat (gastric dilation and volvulus), a condition in which the stomach twists on itself, cutting off blood flow to the stomach and other abdominal organs such as the spleen; this requires immediate medical and, often, surgical care. It strikes very suddenly and a dog that is fine one minute can be dead a few hours later from toxic shock. Another condition common in Boxers is histiocytic ulcerative colitis (HUC), which is an inflammatory bowel disease of the colon (large intestine) of young Boxers. It is suspected to be caused by a defect in the immune system defense linked to bacterial invasion and inflammation of the colon. It is a chronic/lifetime disease for many Boxers, but colitis can be controlled with specific antibiotic therapy, proper diet and nutrition.
Boxer Cardiomyopathy (BC) is a complex of diseases of the heart characterized by an irregular heartbeat that can cause fainting or even sudden death due to heart failure. One type of BC is caused by a nutritional deficiency of carnitine. Another type is genetic, and a third type has an unknown cause. Male Boxers are most prone to BC. Another heart defect that occurs in this breed is aortic or sub-aortic stenosis, a narrowing of the aortic valve that causes the left ventricle of the heart to work harder to pump blood to other organs. The heart muscle thickens, leading to more pressure on the heart and aorta.
Providing the foundation for good health and nutrition that has lasting benefits is vital for the health and well-being of your Boxer. This starts with regular veterinarian examinations but it does not stop there! Being proactive about your Boxer's health helps identify diseases and illnesses early, which can help keep your Boxer healthier over her lifetime.