Left kidney stone 3mm can not eat benzbromarone, its belongs to the contraindication of the drug. Benzbromarone can promote the excretion of uric acid, so it can be used for high uric acid patients with uric acid treatment, in addition can also be used for gouty arthritis intermittent and gouty nodular swelling treatment, but the instructions for the use of the drug clearly states that patients suffering from renal stones are prohibited from using this drug, so the left kidney stone 3mm even if the stone size is not big, but the same can not take Benzbromarone. In addition, in the process of taking benzbromarone, patients may experience nausea, vomiting and other adverse reactions, and severe renal insufficiency, pregnant women are also prohibited from using this drug, during the period of time patients should pay attention to drink more water to promote the excretion of uric acid, the use of medication must be carried out under the guidance of a professional physician.