Drug formulation for mouth or pharynx comprising local...

Details Drug formulation for mouth or pharynx comprising local... Drug formulation for mouth or pharynx comprising local...

A - Human Necessities

61

K

A61K 45/08 (2006.01) A61K 31/167 (2006.01) A61P 1/02 (2006.01)

Patent

CA 2532283

Provided is a drug formulation for mouth or pharynx to be used for medical care or treatment for serious stomatitis caused by a side effect of an anti-tumor agent or the like, and for anesthesia in the pharynx, with remarkably suppressed discomfort due to bitter taste although it contains a local anesthetic as a main efficacious component. The drug formulation of the present invention comprises a local anesthetic as an efficacious component, and a weak acid, its pharmaceutically acceptable salt or a mixture thereof, wherein the mixing ratio of the weak acid to the local anesthetic is 1:1 or more by mole ratio.

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