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.
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. 3  Overuse, a fall, or repeated bending and kneeling can irritate the bursa overlying the knee cap (patella), causing pain and swelling. The iliotibial band is a piece of tough tissue that runs from your hip down to the outer part of your knee. 2  If it's irritated by overuse or other problems, it can become inflamed and cause pain on the outer side of the knee.