The main causes of vague knee pain are knee injury, knee arthritis, knee degeneration, deep vein thrombosis and so on.
1. Knee injury: generally there is a history of trauma or sports history, clinical manifestations of knee pain, knee instability or knee activities can be popping mainly. However, it may also be physiological knee pain, caused by excessive exercise, generally relieved by rest and warm compresses.
2. Knee arthritis: mainly including osteoarthritis, rheumatoid arthritis, gouty arthritis, tuberculous arthritis. Localized redness, swelling, heat and pain may occur in the knee joint, and the infection index may indicate abnormality.
3. Degenerative changes of knee joint: clinically, the main manifestation is knee joint pain, often accompanied by limited knee joint activities. Mainly include knee joint osteophytes, patellofemoral arthritis and patellofemoral chondromalacia and other diseases.
4. Deep vein thrombosis: caused by long-term bed-ridden, obesity, smoking and other adverse factors. Deep vein thrombosis will lead to vague pain in the lower limbs, including the knee joint.
If the above conditions exist and are not relieved after resting, you should consult a doctor in time. You need to exclude whether there is knee fracture, meniscus injury, cruciate ligament injury and knee bone tumor and other diseases, and under the guidance of the doctor, improve the relevant examination to find out the cause of the disease, so as to avoid delaying the condition.