Hello. Arm burning sensation may be a sensation of tingling (feeling of “pins and needles”) or burning in the arm that is medically known as paresthesia. It can result from an arm injury or pressure on a nerve in the arm. Other causes include damage to nerves in the arm from exposure to extreme heat or cold or to toxic compounds. Arm burning sensation can also be a feature of certain diseases or conditions, including multiple sclerosis and lupus. Alternatively, arm 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 Guillain-Barre syndrome, an autoimmune nerve disorder. Alcohol abuse and vitamin deficiencies are further common causes of peripheral neuropathy and arm burning sensation. Arm burning sensation may also be a symptom of myocardial ischemia (reduced blood flow to the heart muscle) or heart attack. Arm burning sensation, particularly when localized to one side of the body and with sudden onset, can also be a symptom of stroke. The duration and course of arm burning sensation vary widely, depending on the cause. Symptoms caused by injury often have a sudden onset. In other cases, arm burning sensation caused by underlying neuropathy develops slowly and persists or worsens over time. If your arm burning sensation is persistent or causes you concern, seek prompt medical care. with regards- Dr Sanjay Kini