It is used for treating various disorders of blood vessels including hemorrhoids, varicose veins, poor circulation in the legs (venous stasis), and bleeding (hemorrhage) in the eye or gums. It is also used to treat swelling of the arms (lymphedema) following breast cancer surgery, to protect against liver toxicity, and a type of pain called radicular pain.

Stomach and abdominal pain, diarrhea, dizziness, headache, skin redness and hives, muscle pain, blood problems, and altered heart rate.

It is contraindicated in patients with known hypersensitivity to the drug