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Spray formulations of antihyperalgesic opiates and method of treating topical hyperalgesic conditions and pruritus therewith

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TLDR
In this article, a spray formulation of anti-pruritic opiates having a peripheral selectivity of 251 to 1,280 in a solvent mixture of up to 15% w/w alcohol selected from the group consisting of ethyl, propyl and isopropyl alcohol.
Abstract
Spray formulations of anti-pruritic opiates having a peripheral selectivity of 251 to 1,280 in a solvent mixture of up to 15% w/w alcohol selected from the group consisting of ethyl, propyl and isopropyl alcohol and water greater than or equal to 85% w/w water.

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References
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