Dosage refers to the precise quantity of a substance, especially medicine, administered for a therapeutic effect.
Word in 30 Seconds
- Specific amount of medicine or substance given.
- Crucial for effective and safe treatment.
- Used in prescriptions and medical contexts.
Overview
剂量（jìliàng）是一个医学和药学领域的常用词汇，指的是一次性或在一定时间内给予患者的药物、放射性物质或其他治疗性或诊断性物质的规定量。准确的剂量对于确保治疗的有效性和安全性至关重要。过量或不足的剂量都可能导致不良后果，包括疗效不佳、副作用增加甚至中毒。
在日常生活中，“剂量”一词常出现在与医疗、健康相关的讨论中。它可以通过具体的数值（如毫克、毫升）来表示，也可以是相对的描述（如“最小有效剂量”、“最大耐受剂量”）。在描述药物时，通常会与药物的名称、给药途径（口服、注射等）以及给药频率（每日一次、每八小时一次等）结合使用。
Examples
请按照说明书上的剂量服用此药。
everydayPlease take this medicine according to the dosage on the instructions.
研究人员正在探索该化合物的最佳治疗剂量。
academicResearchers are exploring the optimal therapeutic dosage of this compound.
医生开的这个剂量对我来说有点太大了。
informalThis dosage prescribed by the doctor is a bit too high for me.
过量的放射剂量可能对人体造成严重伤害。
formalExcessive radiation dosage can cause severe harm to the human body.
Common Collocations
Common Phrases
按剂量服用
Take according to dosage
调整剂量
Adjust dosage
安全剂量
Safe dosage
Often Confused With
While '份量' refers to the quantity or portion of something, it's generally used for food or everyday items. '剂量' is specifically used for the precise, often medically determined, amount of a substance like medicine or radiation.
'用量' is a broader term for the amount used, and can often be used interchangeably with '剂量' in casual conversation about medicine. However, '剂量' implies a more scientifically defined and regulated quantity, especially in clinical or pharmaceutical contexts.
Grammar Patterns
How to Use It
Usage Notes
The term '剂量' is primarily used in medical, pharmaceutical, and scientific contexts. It implies a precise and regulated quantity. In everyday conversation, '用量' might be used more frequently for general amounts, but '剂量' is the correct term when specificity and accuracy are required, especially concerning health and treatment.
Common Mistakes
Confusing '剂量' with general terms like '数量' (quantity) or '份量' (portion) can lead to misunderstanding in medical contexts. Always use '剂量' when referring to the specific amount of medicine or therapeutic substance.
Tips
Understand Dosage Importance
Always follow the prescribed dosage carefully. Never adjust it without consulting a healthcare professional.
Medication Safety First
Taking too much or too little medication can be harmful. Ensure you understand the correct dosage for any medicine.
Traditional Medicine Dosage
In traditional Chinese medicine, dosage can be complex, involving specific amounts of herbs, decoction times, and frequency, often based on individual patient conditions.
Word Origin
The word '剂量' is composed of '剂' (jì), meaning 'dose', 'medicine', or 'agent', and '量' (liàng), meaning 'quantity' or 'measure'. The character '剂' itself historically relates to combining ingredients or preparing medicines.
Cultural Context
In Chinese culture, precise dosing is highly valued, both in modern medicine and traditional Chinese medicine (TCM). TCM often involves complex herbal formulas where the exact proportion and preparation method (which dictates the effective dose) are crucial for efficacy and balance.
Memory Tip
Think of '剂' (jì) as 'agent' or 'medicine' and '量' (liàng) as 'measure'. So, '剂量' is the 'measure of the medicine/agent'.
Frequently Asked Questions
4 questions“剂量”通常指在医学上为了达到特定疗效或诊断目的而规定的一次性或周期性给药量，强调的是精确性和专业性。“用量”的范围更广，可以指任何物质的使用量，包括非药物性物质，但也可以指药物的使用量，与“剂量”在某些语境下可通用。
控制剂量至关重要，因为不准确的剂量可能导致治疗无效（剂量过低）或产生严重的副作用甚至中毒（剂量过高）。精确的剂量是确保治疗安全和有效的前提。
常见的剂量单位包括质量单位（如毫克mg，克g）、体积单位（如毫升ml，升L）、摩尔单位（如毫摩尔mmol）以及一些特殊的药学单位（如单位U）。具体使用哪种单位取决于药物的性质和浓度。
通常不一样。儿童的剂量需要根据他们的体重、年龄、身体发育状况以及药物的代谢能力来调整，一般会比成人剂量小。医生会根据具体情况开具合适的儿童剂量。
Test Yourself
医生根据患者的体重计算了此次应服用的药物______。
在医学语境下，用于治疗的药物规定量应使用“剂量”。
“剂量”最准确的含义是什么？
“剂量”特指用于医疗目的的药物或物质的精确量，以确保疗效和安全。
请用“药物”、“剂量”、“安全”和“有效”组句。
这个句子清晰地表达了剂量对于药物安全性和有效性的重要性，符合逻辑。
Score: /3
Summary
Dosage refers to the precise quantity of a substance, especially medicine, administered for a therapeutic effect.
- Specific amount of medicine or substance given.
- Crucial for effective and safe treatment.
- Used in prescriptions and medical contexts.
Understand Dosage Importance
Always follow the prescribed dosage carefully. Never adjust it without consulting a healthcare professional.
Medication Safety First
Taking too much or too little medication can be harmful. Ensure you understand the correct dosage for any medicine.
Traditional Medicine Dosage
In traditional Chinese medicine, dosage can be complex, involving specific amounts of herbs, decoction times, and frequency, often based on individual patient conditions.
Examples
4 of 4请按照说明书上的剂量服用此药。
Please take this medicine according to the dosage on the instructions.
研究人员正在探索该化合物的最佳治疗剂量。
Researchers are exploring the optimal therapeutic dosage of this compound.
医生开的这个剂量对我来说有点太大了。
This dosage prescribed by the doctor is a bit too high for me.
过量的放射剂量可能对人体造成严重伤害。
Excessive radiation dosage can cause severe harm to the human body.
