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        鼻(bí)涕和痰到底有(yǒu)什么关系?痰咳不出,该怎么办?

        栏目(mù):呼(hū)吸科普 发布时间:2020-06-02

        鼻涕和痰到底有什么具(jù)体分别?这是(shì)困扰(rǎo)了大(dà)家很(hěn)久的一个问(wèn)题。

        很多(duō)人在感冒(mào)生病时都会流鼻涕,鼻涕(tì)吸溜吸(xī)溜的,一不小(xiǎo)心被吸入喉咙,过不久就想吐痰(tán)。

        因此,很多人以为鼻涕就是痰的前身(shēn),痰就是被(bèi)吸到体内堆积而成(chéng)的鼻涕,鼻涕和痰(tán)都(dōu)经过鼻腔,所以本质上是一样的。

        如果要按(àn)“口鼻喉相通”的观点理解鼻(bí)涕和痰的区别,不能说完全(quán)错,但显(xiǎn)然也是不对的。

        痰(tán)和鼻涕(tì)的区别,从它们产生的原理就可(kě)以看出(chū)来(lái)。

        鼻涕(tì)是由(yóu)鼻(bí)粘膜(mó)的杯状细(xì)胞(bāo)分泌的,有(yǒu)保护呼吸道(dào)的功能,平时大部分被(bèi)用来(lái)湿润鼻腔,另一(yī)部(bù)分则附在鼻腔黏膜上保护(hù)黏膜。

        一个(gè)人一(yī)天大概可以产生将近1L的鼻涕,只是其中(zhōng)的大部分都因(yīn)鼻腔黏膜纤毛的作用(yòng),而(ér)被(bèi)送入(rù)到喉咙,又在不知不觉中被吞咽到胃部,最后被消化。


        鼻(bí)涕-咳嗽-咳痰-呼吸-训练-肺(fèi)功能(néng)-排痰(tán)

        而(ér)痰是由人吸(xī)入空气中的异物,诱发了呼吸道炎性反应而产生的黏液,黏(nián)液被纤(xiān)毛(máo)从(cóng)支气管“赶”到喉咙时,刺激机体产(chǎn)生咳嗽动作而吐(tǔ)出体(tǐ)外的脏东(dōng)西。

        因此(cǐ),鼻涕和(hé)痰(tán)虽都经过喉咙(lóng),却(què)是不一样的(de)黏性液体,产生(shēng)的位(wèi)置也不(bú)同,痰是由内(nèi)往外出,鼻涕是由外往里入。

        这里(lǐ)指的是(shì)健康清洁的鼻涕,生病时不健康的鼻涕(tì)还是往外出的。

        之所以说“口(kǒu)鼻(bí)喉相(xiàng)通”的观(guān)点不完全错(cuò),原因是严格(gé)意义上我们平时感觉到(dào)的鼻(bí)涕被吸入喉咙产生的痰,也是(shì)由气(qì)管、支气管(guǎn)和肺部(bù)组织(zhī)产生的(de)。

        无论是(shì)鼻(bí)涕还(hái)是痰,只要引起咽部(bù)不适,都会诱发咳嗽的动作来(lái)清除气道内的异物。


        鼻涕-咳(ké)嗽-咳(ké)痰-呼吸-训练(liàn)-肺功能-排痰


        那么如何(hé)才能(néng)把痰液咳(ké)出来(lái)呢(ne)?咳痰(tán)对于身(shēn)体健康的人来说很容易(yì),但对(duì)于另一部分人(rén)来说,却是一(yī)件需要学(xué)习的事情(qíng)。

        通常(cháng)不会咳痰是因为(wéi)这三(sān)种情况:

        不会(huì)把痰咳到离喉咙稍远的地方;

        痰梗在喉(hóu),不上不下让人难受;

        从来没(méi)咳过痰(tán),不知道怎么咳出来(lái);
        如果(guǒ)是第一种(zhǒng)情况,只要稍加练习(xí)几次就能顺利(lì)咳痰。具体方法如下:感觉到喉咙有异(yì)物时,气沉丹田使劲咳嗽一声,感(gǎn)受(shòu)到痰液上(shàng)升(shēng)到口腔后,再重复几次找找咳痰(tán)的感觉。

        第二(èr)种情(qíng)况单(dān)靠个人努力恐怕很艰难(nán),通常(cháng)需要“化痰(tán)药”来稀释(shì)痰液,或(huò)者选择雾化治疗(liáo)。

        身边(biān)暂(zàn)时没药的情况下,也尽量多喝(hē)水,不要强行咳痰,以免伤(shāng)到(dào)喉(hóu)咙。


        鼻涕-咳嗽-咳痰-呼(hū)吸-训练-肺功能-排痰


        第三种情况相对来说不容乐观,既不(bú)是因为没掌(zhǎng)握好(hǎo)咳痰技巧,也不是因为小感冒诱发的(de)痰液增多,很可能是呼吸(xī)道疾病造(zào)成的(de)。


        许(xǔ)多慢阻肺、老慢支病人就(jiù)无法自己咳(ké)痰,需要借助医院的震荡排痰仪来排痰。痰液不会(huì)自己内部消化,如(rú)果(guǒ)没及(jí)时排出体(tǐ)外,只(zhī)会加重(chóng)疾病,让患者(zhě)的呼吸更加(jiā)困难。


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        更新时间:2025-07-19 13:42 来源:www.tx.huaibei.xinxiang.zz.pingliang.ww38.viennacitytours.com