A Siberian Husky's coat is thicker than that of most other dog breeds, comprising two layers: a dense undercoat and a longer topcoat of short, straight guard hairs. It protects the dogs effectively against harsh Arctic winters, but the coat also reflects heat in the summer.
Interstitial lung disease associated with RA typically includes interstitial pneumonias and bronchiolitis (inflammation of the small air passages of the lungs called the bronchioles), as well as damage to alveoli. The symptoms of interstitial lung disease include shortness of breath, pain, and difficulty breathing.1,2. The formation of nodules in the lungs occurs in a small minority of patients with RA (less than 1%). RA nodules are more common in men than women. Typically, nodules are asymptomatic.
Joints affected in RA. General symptoms in RA. In addition to symptoms affecting the joints, several other symptoms are common in patients with RA. Patients may experience a general soreness, aching, and stiffness affecting the entire body. RA is commonly associated with fatigue and weakness, a feeling of sickness or malaise, as well as persistent low-grade fever.