You have a polyneuropathy which could be due to vitamin B12 deficiency,B6 deficiency, alcoholism,
diabetes, uremia etc. You need to stop alcohol intake, supplement
vitamins, investigate with blood tests if you have diabetes and renal function. MRI spine should also be done to look for any disc herniation causing the tingling, numbness. A detailed neurological examination for sensory, motor systems and autonomic system, the reflexes should all be checked for any associated deficits.