Some people truly feel insignificant stinging or cramping once the needle goes in to the vein. Inform your healthcare professional if it hurts a great deal. Pain might end result from the solution leaking from the vein to the tissue around it. We use the info you give to provide https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-from-the-perspective-of-a-vascular-surgeon/