An antiinflammatory and analgesic gel preparation comprising diclofenac or its salts, an ester of dibasic acid, a lower alcohol, and a nonionic polymer or a mixture of nonionic polymers selected from the group consisting of (a) 1.5-4% by weight of hydroxypropyl cellulose having a molecular weight of 500,000 or greater, (b) 2-4% by weight of hydroxyethyl cellulose having a molecular weight of 1,250,000 or greater, and (c) 1.5-4% by weight of a mixture of hydroxypropyl cellulose having a molecular weight of 500,000 or greater and hydroxyethyl cellulose having a molecular weight of 1,250,000 or greater, and having a viscosity of 5,000-35,000 cps and an yield value of 5 dyn/cm² or greater. The gel preparation is excellent in the percutaneous absorption of diclofenac or its salts and provides good properties upon use and superior medical effects of diclofenac or its salts.
一种消炎镇痛凝胶制剂,包括
双氯芬酸或其盐、二元酸酯、低级醇和选自以下组别的非离子聚合物或非离子聚合物混合物:(a) 1.5-4%(按重量计)分子量为 500,000 或更大的
羟丙基纤维素,(b) 2-4%(按重量计)分子量为 1,250,000 或更大的
羟乙基纤维素,以及(c) 1.5-4%(重量百分比)分子量为 500,000 或更大的
羟丙基纤维素和分子量为 1,250,000 或更大的
羟乙基纤维素的混合物,粘度为 5,000-35,000 cps,屈服值为 5 dyn/cm² 或更大。该凝胶制剂在经皮吸收
双氯芬酸或其盐类方面表现出色,使用后性能良好,
双氯芬酸或其盐类的医疗效果更佳。