Why is my hand swelling and numb?

Given your age and history of osteoarthritis, it is most likely caused by the wear and tear on your joints. Losing some weight gradually with a healthy diet could relieve the pressure on the knees. Additionally, physical therapy may enhance flexibility while building up muscles around these areas. 

If painkillers aren't working surgery may be necessary . .Also , physical therapy may help. Herniated discs can be caused by poor posture , obesity, or heavy lifting..... Strengthening core muscles can help prevent future herniation. But to conclude anything between medication or surgery, need to evaluate reports

Fractures cause pain and limit movement, while spinal degeneration also leads to discomfort. Back pain and difficulty walking are common symptoms. However, hip replacement is a more urgent concern because it significantly impacts mobility. Addressing the hip first, as recommended by the surgeon, could improve the quality of life by alleviating discomfort and mobility issues.

Before medical consultation with your doctor, there are a few tests that you can get like x-ray, bone density test, blood tests, MRI or CT scan. If you visit a doctor near you they can assist you with the tests that are important for you.

The calcification problem may occur when the elbow joint becomes the cause. The relative may have experienced either damage or inflammation and thus begins to notice a calcification disorder in the joint. The surgery may not be a simple one for sure. Always consult the doctors in charge of West to understand how to handle the treatment issues.