 Nervsenz Tablet SRPregabalin 75mg Nortriptyline 10mg Methylcobalamin 1500mcg Vitamin D3 2000IUNeuropathic painConstipation Difficulty in urination Weight gain Sleepiness Dizziness Tiredness Blurred vision Dryness in mouth Increased heart rate Orthostatic hypotension sudden lowering of blood pressure on standing Uncoordinated body movements 