Rheumatoid arthritis (RA) is an autoimmune disease with symptoms that vary from person to person and may include joint pain, swelling and stiffness.
Health Problems & Life Expectancy. The typical West Highland Terrier lives about 12-16 years. Of course, individual dogs can have a life span outside that range based on care and pure luck. Like all dog breeds, Westies are prone to certain diseases, disorders, and behavioral problems.
The Soft Coated Wheaten Terrier is basically a healthy dog. Given proper care and nourishment, he should live a long and active life. The average life expectancy is 12-15 years. The SCWTCA Code of Ethics requires that the breeder supply new owners with the puppy's health records and instructions for routine health care.