This type of pain is usually caused by chronic illnesses such as neuropathy related to Diabetes,
Prescription medications that may help relieve symptoms include nortriptyline, mexiletine, gabapentin, and tramadol.
An OTC-supplement, N-acetyl-cysteine, helps to suppress pain by helping the body to form glutathione. Methylfolate, astaxanthin, and magnesium may also help. At bedtime, try melatonin.
Dietary changes may relieve pain also. Try to include several Brazil nuts in your daily diet, as these have high levels of selenium, a key cofactor of glutathione peroxidase.
Also, black rice has proven effective in some patients.
If you suffer from burning pain, ask your doctor to check your B12 and homocysteine levels.