Table 10.

Serious complications after sclerotherapy

Side effect	Liquid sclerotherapy	Foam sclerotherapy
Allergic reactions/anaphylaxis	Individual cases < 0.01%	Individual cases < 0.01%
Skin necrosis	Individual cases < 0.01%	Individual cases < 0.01%
Neurological reactions/stroke/TIA	Individual cases < 0.01%	Individual cases < 0.01%
Distal deep thrombosis	Rare ≥ 0.01 to < 0.1%	Occasional ≥ 0.1 to < 1%
Proximal deep thrombosis	Very rare < 0.01%	Very rare < 0.01%
Lung embolism	Individual cases < 0.01%	Individual cases < 0.01%
Damage to motor nerves	Individual cases < 0.01%	Individual cases < 0.01%