To minimize risk, providers may avoid sclerotherapy in patients with active infections, uncontrolled clotting disorders

https://claytonmoae221.timeforchangecounselling.com/why-do-i-have-spider-veins-sclerotherapy-answers-and-options

To minimize risk, providers may avoid sclerotherapy in patients with active infections, uncontrolled clotting disorders, or severe peripheral arterial disease without specialist evaluation.