I am having severe lower back pain at the waist level as well as severe right leg pain and numbness. Stomach is also giving me problems.

Back pain. There are many possibilities that could be responsible for your condition. You should call your doctor for a check up. E.G. You may have a nerve pinch in your back causing a sciatic nerve pain into your leg.

Related Questions

I'm having lower back pain but its radiating down into my right hip and have right leg numbness on my right upper outside leg. Whats my health answer?

Common. This is a very common pattern. There are a few possibilities for this pain. I would recommend that you see a physiatrist (specialist in rehab medicine) and they can evaluate you and suggest appropriate treatment. Read more...
Orthopedic evaluatio. Of lumbar spine for possible disc disease. Read more...