Clinical recommendation	Evidence rating	References
Conservative therapy (e.g., elevation, external compression devices, butcher's broom, horse chestnut seed extract, weight loss) for varicose veins may be helpful, but there are few clinical trials.	C	13–16
There is insufficient evidence to preferentially recommend any specific treatment or combination of treatments for varicose veins.	B	12, 13, 15, 22, 29
Sclerotherapy may be used to improve the symptoms and cosmetic appearance of varicose veins.	B	29