Some individuals truly feel insignificant stinging or cramping in the event the needle goes into your vein. Convey to your healthcare professional if it hurts quite a bit. Pain may consequence from the solution leaking within the vein to the tissue all-around it. If you are a Mayo Clinic patient, https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-from-the-perspective-of-a-vascular-surgeon/