What is Knee Arthritis?

Knee arthritis is a common condition that affects millions of people worldwide. It occurs when the cartilage in the knee joint wears down, resulting in pain, stiffness, and limited mobility. Knee arthritis can be caused by a variety of factors, including age, genetics, obesity, injury, and repetitive stress.

There are three main types of knee arthritis: osteoarthritis, rheumatoid arthritis, and post-traumatic arthritis. Osteoarthritis is the most common type and is caused by the gradual wear and tear of the cartilage in the knee joint. Rheumatoid arthritis is an autoimmune disorder that causes inflammation in the joint, leading to cartilage damage. Post-traumatic arthritis is caused by a previous injury or trauma to the knee, such as a fracture or ligament tear.

Symptoms of knee arthritis include pain, swelling, stiffness, and difficulty moving the knee joint. The pain is often worse in the morning or after prolonged periods of inactivity. As the condition progresses, the pain may become constant and more severe, making it difficult to perform everyday activities.

Treatment options for knee arthritis depend on the severity of the condition. In mild cases, over-the-counter pain medications, such as acetaminophen or nonsteroidal anti-inflammatory drugs (NSAIDs), may be sufficient to manage pain and inflammation. In more severe cases, a combination of medications, physical therapy, and lifestyle modifications may be necessary.

In some cases, surgery may be required to repair or replace the damaged knee joint. Knee replacement surgery is a common procedure that involves removing the damaged joint and replacing it with an artificial joint made of metal or plastic. This surgery can provide significant pain relief and improve mobility for people with severe knee arthritis.

Preventing knee arthritis is not always possible, but there are steps that can be taken to reduce the risk of developing the condition. Maintaining a healthy weight, exercising regularly, and avoiding repetitive stress on the knees can help prevent knee arthritis. If you are experiencing symptoms of knee arthritis, it is important to speak with your doctor to determine the best course of treatment for your individual needs.