Medicinal preparation containing chitosan, medicinal transdermal patch and preparation method of medicinal transdermal patch

The invention relates to the field of medicines, in particular to a medicinal preparation, a medicinal transdermal patch containing the medicinal preparation and a preparation method of the medicinal transdermal patch. The pharmaceutical preparation comprises a wrapped drug and an unwrapped drug, the wrapped drug comprises a drug A and an inclusion material wrapping the drug A, and the inclusion material contains chitosan and/or a derivative thereof; the unwrapped drug is a drug B; and the medicine A and the medicine B are the same or different. The medicine preparation and the medicine transdermal patch disclosed by the invention can release an effective dose of medicine for a long time (up to 7 days) and stably, and have relatively stronger controllability to meet the medication requirements of patients of different degrees. 本发明涉及医药领域，具体涉及一种药物制剂、含有该药物制剂的药物透皮贴剂及其制备方法。所述药物制剂包括包裹型药物和未包裹型药物，所述包裹型药物包括药物A和将该药物A包裹起来的包合材料，所述包合材料中含有壳聚糖和/或其衍生物；所述未包裹型药物为药物B；所述药物A与所述药物B相同或不同。本发明的药物制剂及药物透皮贴剂能够持久(能够达到7天)且稳定的释放有效剂量的药物，并且具