本信息仅供教育参考之用,请务必咨询医疗专业人员。 了解更多

Immediate Release

IR

定义

A drug formulation that releases the entire dose immediately upon administration, allowing rapid absorption and quick onset of action. IR formulations typically require more frequent dosing throughout the day compared to extended-release versions.

示例

Oxycodone IR begins working within 15-30 minutes and is used for breakthrough pain, while oxycodone ER provides sustained relief over 12 hours.

相关术语

在指南中提及