Table 11.

Minor side effects after sclerotherapy

Side effect	Liquid sclerotherapy	Foam sclerotherapy
Vision disorders	Very rare < 0.01%	Occasional ≥ 0.1 to < 1%
Migraine, headache	Very rare < 0.01%	Occasional ≥ 0.1 to < 1%
Sensory nerve damage	Individual cases < 0.01%	Rare ≥ 0.01–< 0.1%
Dry cough	Rare ≥ 0.01–< 0.1%	Very rare < 0.01%
Superficial phlebitis	Unclear	Unclear
Matting	Frequent ≥ 1–< 10%	Frequent ≥ 1–< 10%
Hyperpigmentation	Frequent ≥ 1 to < 10%	Frequent ≥ 1 to < 10%
Small areas of skin necrosis	Rare ≥ 0.01–< 0.1%	Very rare < 0.01%