prn

An adverb used in medical contexts, derived from the Latin phrase 'pro re nata' meaning 'as the situation arises.' It indicates that a medication or treatment should be taken as needed, rather than on a fixed schedule.

• 🇨🇳医学语境中的副词，源自拉丁语短语“pro re nata”，意为“按需”。表示药物或治疗应按需使用，而非按固定时间表。

1. As needed B2 formal medical

   A medical abbreviation meaning 'pro re nata' (Latin), indicating that medication should be taken when necessary rather than on a fixed schedule.

   • The doctor prescribed painkillers to be taken PRN.
   • Take this medication PRN for nausea.
   • The patient's chart indicates PRN administration of the sedative.

   🇨🇳按需

   同义词: as neededas required