great list of herbs used to treat and eliminate hemorrhoids
Witch Hazel -- contains procyanadins, resin, and flavonoids, which help it work as a soothing, anti-inflammatory agent that relieves hemorrhoid pain.

White Oak Bark - the active ingredients are tannin and quercin. Quercin is similar in effect to salicin (natural aspirin) and is used along with bioflavinoids to strengthen the capillaries and veins. White oak bark also contains ample amounts of calcium, manganese, potassium and magnesium. It is particularly good for stopping internal bleeding.

Butcher's Broom Root-- has been known for 2,000 years for its healing properties, especially for its benefits to the circulatory system. Recent tests by German and French doctors indicated that butcher's broom root lessens post-operative thrombosis; and also showed definite and measurable relief for hemorrhoid and varicose vein sufferers.