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發燒（英語：fever）又稱發熱（pyrexia）、熱病[11] 、發熱反應（febrile response）[6]，是恆溫動物在致熱原作用下，體溫調節中樞的調定點（set point）上移而引起的主動調節性體溫升高，超過了平常體溫[4][12][5]；其有別於體徵也有體溫升高的中暑。 現在醫界並沒有 ...
2022年1月5日 · 94–99.6°F. (34.4–37.6°C) 92–97.6°F. (33.3–36.4°C) Identifying your normal range can make it easier to know when you have a fever. Keep in mind that average body temperature varies from ...
2022年6月11日 · Fever: First aid. A fever is a rise in body temperature. It's usually a sign of infection. The fever itself is generally harmless and probably helpful. Fevers usually don't need treatment. The average body temperature is 98.6 F (37 C). But normal body temperature can range between 97 F (36.1 C) and 99 F (37.2 C) or more.
2023年8月21日 · A normal body temperature is typically described as 98.6 F (37 C) but can range from 97 F (36.1 C) to 99 F (37.2 C). A low-grade fever is often the first sign of an infection. When the body temperature is normal, infectious bacteria and viruses are able to thrive. A fever is the body's way of creating a hostile environment to help neutralize them.
2023年5月22日 · The average body temperature is 98.6° F (37°C). But "normal" body temperature varies from person to person. It also changes during the day, rising a bit after you eat or exercise. Body temperature is often higher in the afternoon than it is when you wake up in the morning. Fever means a body temperature of 100.4° F (38°C) or higher.
2024年2月10日 · 發燒的原因 發燒（Fever）的原因有很多，大致可分為以下兩類： 外源性：因細菌、病毒等致病原入侵人體，影響大腦下視丘的功能，導致身體調節溫度的能力出現異常，而引致體溫升高。 內源性：人體某些原因發生感染，為抵抗入侵者，白血球等防衛系統在工作時產生某種代謝物，引致發燒。
2023年9月19日 · A fever, or pyrexia, is one of the most common COVID-19 symptoms. Here's how to take body temperature and what healthcare providers consider a fever.
