Patch preparation and production method thereof

Details Patch preparation and production method thereof Patch preparation and production method thereof

A - Human Necessities

61

K

A61K 9/70 (2006.01)

Patent

CA 2735634

Provided is a patch preparation containing: a support; and an adhesive layer containing a drug on the surface of the support, wherein a crystal of the drug is formed in the adhesive layer immediately after application of a physical stimulation to the adhesive layer, while a crystal of the drug is formed during preservation after the physical stimulation. According to the present invention, a patch preparation which does not require increase in the area and thickness of an adhesive layer, achieves sufficiently high skin permeation amount of a drug, shows good adhesiveness to the skin and permits a long-term adhesion, and a production method thereof can be provided.

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