What causes knee pain on stairs

Knee pain on stairs may be caused by knee injury, degenerative osteoarthritis or synovitis.
1. Knee injury: due to chronic injury to the knee joint in life, the knee joint needs to flex and extend when going up and down the stairs, resulting in aseptic inflammation at the site of strain, which induces localized pain.
2. Degenerative osteoarthritis: osteoarthritis is mainly degeneration of articular cartilage in the early stage of osteoarthritis, when going up the stairs so that the pressure in the knee joints increases, it will induce the corresponding pain symptoms, which is mostly the performance of osteoarthritis in the early stage of osteoarthritis.
3. Synovitis: The synovial membrane reacts to stimulation and secretes fluid out of balance, causing fluid accumulation or edema. Joint pain becomes more pronounced when going up and down stairs or exerting oneself.
Stairs knee pain may also be knee meniscus or ligament damage, should go to the hospital in time, under the diagnosis of the doctor to determine the cause of the condition, according to the different situations to take the appropriate treatment for treatment.