n.无痛觉，痛觉缺失

The patient was given analgesia to alleviate the pain from the surgery.
病人接受了镇痛治疗以减轻手术带来的疼痛。
Non-opioid analgesia is often the first line of treatment for mild to moderate pain.
对于轻度至中度疼痛，非阿片类镇痛往往是首选治疗方法。
The dentist used local analgesia before extracting the tooth.
牙医在拔牙前使用了局部麻醉。
The use of epidural analgesia has become common during childbirth to manage labor pain.
硬膜外镇痛在分娩期间用于管理产痛已变得普遍。
Acetaminophen is an over-the-counter analgesic commonly used for headache relief.
对乙酰氨基酚是一种非处方镇痛药，常用于缓解头痛。
Opioids are powerful analgesics but carry a risk of addiction and other side effects.
阿片类药物是强效镇痛剂，但有成瘾和其他副作用的风险。
The patient reported significant pain reduction after receiving intravenous analgesia.
病人在接受静脉注射镇痛后报告疼痛显著减轻。
Paracetamol is a widely used analgesic and antipyretic drug.
对乙酰氨基酚是一种广泛使用的镇痛和退烧药物。
The combination of heat therapy and pharmacological analgesia proved effective in managing chronic back pain.
热疗与药物镇痛的结合被证明对管理慢性背痛有效。
Neuropathic pain often requires specific types of analgesia that target nerve pathways.
神经病理性疼痛通常需要针对神经通路的特定类型镇痛治疗。