Provided is an oral solid preparation of a compound anti-tubercular drug, wherein the active ingredients are rifampicin, isoniazid, pyrazinamide and ethambutol hydrochloride. The compound oral solid preparation is a coated tablet with coated core or a coated three-layer tablet, wherein the two active ingredients rifampicin and isoniazid do not come to contact with each other directly. The compound oral solid preparation not only improves the stability of the compound preparation, but also improves the bioavailability of rifampicin.
提供了一种复方抗结核药物口服固体制剂,其中有效成分为
利福平、异烟
肼、
吡嗪酰胺和
盐酸乙胺丁醇。复方口服固体制剂为包衣片芯或包衣三层片,其中两种有效成分
利福平和异烟
肼不直接接触。复方口服固体制剂不仅提高了复方制剂的稳定性,还提高了
利福平的
生物利用度。