A number of people come to feel minimal stinging or cramping in the event the needle goes into the vein. Explain to your healthcare professional if it hurts a whole lot. Pain may possibly final result from the solution leaking from your vein in to the tissue close to it. https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-from-the-perspective-of-a-vascular-surgeon/