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.
抗瘙痒鸦片类喷雾剂的制剂,具有外周选择性为251至1,280,在溶剂混合物中含有最多15%w/w的
乙醇,所选
乙醇包括
乙醇、
丙醇和
异丙醇,
水含量大于或等于85%w/w。