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.
Alternatively, thigh burning sensation may be caused by peripheral neuropathy, a disorder in which the nerves that relay signals between the body and the brain and spinal cord do not function properly. Peripheral neuropathy can be due to a number of specific diseases and disorders, including diabetes and alcoholism.lso, if your thigh burning sensation is a result of a severe burn, seek immediate medical care (call 911) . If your thigh burning sensation is persistent or causes you concern, seek prompt medical care.