A reactive dog reacts in a way that mirrors your emotions. If you get upset, he gets upset. If you calm down, he calms down. Because of this, a reactive dog can sometimes be a frustration to live with, until you know how to handle him.
Swelling in the knee can be acute or chronic. Common Causes of Knee Pain or Knee Inflammation. Many of us refer to swollen knee as having âwaterâ on the knee. Medically speaking this is actually true. One of the major causes of a swollen knee is the accumulation of fluid within the knee joint of its surrounding tissue.
Some of the most common reasons for knee pain are sprained ligaments, meniscus (cartilage) tears, tendonitis, and runner's knee. But the knee is a complex joint, and there's plenty more that can go wrong.ther types, like rheumatoid arthritis, are much less common causes of knee... Other conditions that cause knee pain include: 1  Bursitis. 2  A bursa is a sac of fluid that resides below the skin overlying your joints.