1 Both of these problems usually cause pain. Painless bleeding may signal a more serious problem, such as cancer.  Dark or orange urine. If your urine is dark or orange â particularly if you also have pale stools and yellow skin and eyes â your liver might be malfunctioning.
Burning sensation in the body may be cause by problems in the nervous system. Nerves that send message to the brain and spinal cord may be damaged and this condition is known as peripheral neuropathy. This, most of the time causes burning sensation accompanied by loss of muscle control, pain and lack of sensations. In other cases burning sensations might be brought about by neuralgia whose symptoms may include lack or loss of motor skills, numb feet, abnormal sensations and tender skin.
If you are going to heal back pain you must first know the cause. The most common causes of back pain include: 1  Inactivity. 2  Muscle strains or tight hamstrings. 3  Poor posture. 4  Arthritis. 5  Non-supportive shoes.