decongestant

简明释义

英[ˌdiːkənˈdʒestənt]美[ˌdiːkənˈdʒestənt]

n. 解充血药

复 数 d e c o n g e s t a n t s

英英释义

单词用法

同义词

反义词

例句

1.But decongestant sprays or drops can worsen congestion if used more than two or three days.

但是，若使用喷剂或滴液剂在两到三天以上则会加重充血。

2.Hoku (li 4) is a famous decongestant and anti-inflammatory point; it relieves arthritic pain and strengthens the immune system.

合谷穴(李4)是一个著名的减充血剂和抗发炎点，它会减轻关节炎疼痛和增强免疫系统。

3.It can be readily synthesized from over-the-counter decongestant products.

这种药物很容易就可以从解充血产品中合成。

4.If I've got a cold, I take a non-drowsy decongestant medication in the morning - so I'm not blowing my nose all day - but then don't take anything in the evening.

所以不会整天抠鼻子，但是然后晚上不会做任何事情。

5.Although decongestant medications may be helpful in salvaging a diving vacation if symptoms are mild, they do not necessarily prevent serious sinus or ear barotrauma.

虽然消肿药物在症状不是很严重的时候可以用来拯救你的潜水假期，但是它们并不能防止严重的鼻窦和耳部气压性伤害。

6.An over-the-counter antihistamine may be helpful. You may also take decongestant.

不需要处方的抗组织胺剂可能有用。你也可以用鼻血管收缩剂。

7.The effect of both physical exercise and nasal decongestant on NAR was compared using active anterior rhinomanometry.

应用主动性前鼻测压法比较了运动和鼻粘膜减充血剂对鼻气道阻力（NAR）的影响。

8.It was proved that this method had a very good effect on decongestant tissues.

证明这种方法能有效解除组织静脉淤血。

9.Decongestant nasal sprays work quickly and effectively, but they change how the nasal passages normally work.

减充血剂的鼻腔喷雾剂的工作迅速而有效，但他们改变鼻腔正常工作。

10.After catching a cold, I took a decongestant to relieve my nasal congestion.

在感冒后，我服用了一个减充血剂来缓解鼻塞。

11.The doctor recommended a decongestant for my sinus issues.

医生建议我使用减充血剂来解决我的鼻窦问题。

12.I bought an over-the-counter decongestant to help with my allergies.

我买了一种非处方的减充血剂来帮助缓解过敏。

13.Using a decongestant can help clear your airways during a cold.

使用减充血剂可以帮助在感冒期间清理你的气道。

14.Some decongestants come in nasal spray form for faster relief.

一些减充血剂以鼻喷雾的形式提供更快的缓解。

作文

When we think about the common cold or allergies, many of us are familiar with the discomfort they bring. Symptoms such as a runny nose, nasal congestion, and sinus pressure can make even the simplest tasks feel overwhelming. To alleviate these symptoms, many people turn to medications, particularly those known as decongestants. A decongestant is a type of medication that helps to relieve nasal congestion by narrowing the blood vessels in the nasal passages, leading to reduced swelling and decreased mucus production. This makes it easier to breathe and can significantly improve our quality of life during times of illness. The use of decongestants can be traced back to their active ingredients, which often include pseudoephedrine or phenylephrine. These compounds work by stimulating alpha-adrenergic receptors in the nasal mucosa, effectively causing vasoconstriction. As a result, the swollen tissues in our nasal passages shrink, allowing for clearer airflow. For many individuals suffering from colds or seasonal allergies, the relief provided by decongestants can be quite remarkable. However, while decongestants can provide quick relief, it is essential to use them responsibly. Overuse can lead to rebound congestion, a condition where the nasal passages become more congested after the medication is stopped. This can create a cycle of dependency on the medication, which is not ideal for anyone seeking long-term relief from nasal congestion. Therefore, it is crucial to follow the recommended dosage and consult with a healthcare professional if symptoms persist. In addition to their effectiveness, decongestants are available in various forms, including pills, liquids, and nasal sprays. Each form has its advantages and disadvantages. For instance, while nasal sprays provide immediate relief, they should not be used for more than a few days at a time to avoid rebound congestion. On the other hand, oral decongestants may take longer to work but can be taken for extended periods under medical supervision. Moreover, it is essential to consider potential side effects when using decongestants. Common side effects include increased heart rate, elevated blood pressure, and insomnia. Individuals with certain health conditions, such as hypertension or heart disease, should exercise caution and discuss their options with a healthcare provider before using these medications. Additionally, pregnant or breastfeeding women should also seek medical advice before taking decongestants, as some ingredients may not be safe during these periods. In conclusion, decongestants play a vital role in managing nasal congestion caused by colds and allergies. They provide quick relief and help individuals regain their ability to breathe comfortably. However, responsible usage is key to avoiding potential complications. By understanding how decongestants work, their benefits, and the importance of adhering to dosing guidelines, we can make informed decisions about our health and well-being during allergy season or when faced with a cold. Always remember, when in doubt, consult a healthcare professional to find the best approach for your specific needs.

当我们想到感冒或过敏时，许多人对它们带来的不适感到熟悉。流鼻涕、鼻塞和鼻窦压力等症状会让即使是最简单的任务也变得令人难以承受。为了缓解这些症状，许多人转向药物，特别是那些被称为去充血剂的药物。去充血剂是一种帮助缓解鼻塞的药物，通过收缩鼻腔中的血管，减少肿胀并减少粘液产生。这使得呼吸变得更加顺畅，并且在生病期间可以显著改善我们的生活质量。 去充血剂的使用可以追溯到其活性成分，通常包括伪麻黄碱或苯肾上腺素。这些化合物通过刺激鼻黏膜中的α-肾上腺素受体来发挥作用，有效地导致血管收缩。因此，我们鼻腔中的肿胀组织缩小，允许更清晰的气流。对于许多正在遭受感冒或季节性过敏的人来说，去充血剂提供的缓解效果是相当显著的。 然而，虽然去充血剂可以提供快速缓解，但负责任地使用它们是至关重要的。过度使用可能导致反弹性鼻塞，这是一种在停止用药后鼻腔变得更加充血的情况。这可能导致对药物的依赖循环，这对任何寻求长期缓解鼻塞的人来说都不是理想的。因此，遵循推荐剂量并在症状持续时咨询医疗专业人士至关重要。 除了有效性之外，去充血剂还以各种形式提供，包括药丸、液体和鼻喷雾剂。每种形式都有其优缺点。例如，尽管鼻喷雾剂提供即时缓解，但不应连续使用超过几天，以避免反弹性鼻塞。另一方面，口服去充血剂可能需要更长时间才能起效，但在医疗监督下可以长时间服用。 此外，在使用去充血剂时考虑潜在副作用也很重要。常见副作用包括心率加快、血压升高和失眠。患有某些健康状况（如高血压或心脏病）的人在使用这些药物时应谨慎，并在使用前与医疗提供者讨论他们的选择。此外，孕妇或哺乳期女性在服用去充血剂之前也应寻求医疗建议，因为某些成分在这些时期可能不安全。 总之，去充血剂在管理由感冒和过敏引起的鼻塞方面发挥着重要作用。它们提供快速缓解，帮助人们恢复舒适呼吸的能力。然而，负责任的使用是避免潜在并发症的关键。通过了解去充血剂的工作原理、其好处以及遵循剂量指南的重要性，我们可以在过敏季节或面对感冒时做出明智的健康决策。请记住，如有疑问，请咨询医疗专业人士，以找到最适合您特定需求的方法。