中醫對流行性感冒的認識
流行性感冒是流感病毒引起的急性呼吸道傳染病,具有突然爆發、迅速蔓延、傳播面廣、發病率高、人群普遍易感的特點。目前,西醫治療尚無理想的方法,而中醫藥對防治流感有確切療效,其優勢已得到國內外醫學界的高度關注。流感在中醫學中稱為“時行感冒或時行癘氣”,屬疫病類范疇。早在公元610年隋代(dai)醫學家巢元(yuan)方(fang)所著《諸病(bing)源候論(lun)》一書(shu)中就提出:“夫時氣病(bing)者,此(ci)皆因歲時不和,溫(wen)涼失節,人感乖戾(li)之氣而(er)生病(bing)者,多相染者。中醫對其認識素(su)有(you)“傷寒論(lun)”和“溫(wen)病(bing)論(lun)”兩(liang)種,初期病(bing)位于表(biao)(肺(fei)衛),按(an)“傷寒”(六(liu)經)則屬于太陽經表證(zheng)(表熱);按“溫病”(衛(wei)、氣、營、血、三焦),衛分相當(dang)于人體的肌表、皮膚、上呼(hu)吸道(dao)、頭部(bu),故稱(cheng)“溫邪上受”,“即衛分(fen)熱證”,即溫病(bing)的(de)初期(qi)階(jie)段,亦相當于“傷(shang)寒”的(de)“表熱”。
1、流行性感冒(mao)與中(zhong)醫的(de)感冒(mao)的(de)區別
流行性感冒(mao)不(bu)同(tong)于中醫學的感冒(mao)。感冒(mao)一詞首見于北(bei)宋的《仁齋直指方》“感冒風邪,發熱頭痛,咳嗽聲重,涕唾耐粘。“其意作動詞用,并非病名。在明清時代與“傷風“互稱,其癥狀描述于近現代醫學的普通感冒和上呼吸道感染相似。《實用內科學》與《中醫內科學》每一版都首述流行性感冒,可見對其的重視。《中醫內科學》在感冒的概述中描述:”本篇討論范圍,包括普通感冒(傷風)及時行(xing)感(gan)(gan)冒(mao)的(de)辨證論治。“這很(hen)容易(yi)讓人(ren)理解為”普(pu)通感(gan)(gan)冒(mao)及時行(xing)感(gan)(gan)冒(mao)“就是(shi)“普(pu)通冒(mao)和流(liu)行(xing)性(xing)感(gan)(gan)冒(mao)”。其實,在《類(lei)證鑒別(bie)》中(zhong)明確指(zhi)出:“一般(ban)而言(yan),感(gan)(gan)冒(mao)發熱(re)多不(bu)高或不(bu)發熱(re),溫(wen)熱(re)病必有發熱(re)或高熱(re)。”流(liu)行(xing)性(xing)感(gan)(gan)冒(mao)具有急起(qi)高熱(re)的(de)臨床(chuang)特征,顯然《中(zhong)醫內科(ke)學(xue)》還是(shi)認(ren)為流(liu)行(xing)性(xing)感(gan)(gan)冒(mao)不(bu)同于中(zhong)醫的(de)感(gan)(gan)冒(mao)。
2、《傷寒(han)論(lun)》對流行性感冒的認識
漢代建安年間,社會(hui)和(he)經濟(ji)落(luo)后,民生(sheng)凋弊,戰亂饑餓,更(geng)易(yi)促使(shi)流行性感冒的(de)(de)流行。對于當時傷寒(han)(han)的(de)(de)發病率和(he)死亡率,《傷寒(han)(han)論》的(de)(de)作者在序文中以其宗族(zu)為例,作了(le)如下記述:“余宗族素多(duo)(duo),向(xiang)余二(er)百,建安(an)紀年以來(lai)猶未十稔,其(qi)(qi)死亡者(zhe)(zhe)三(san)分(fen)有(you)(you)(you)(you)二(er),傷(shang)(shang)(shang)寒(han)(han)(han)十居(ju)其(qi)(qi)七”。傷(shang)(shang)(shang)寒(han)(han)(han)呈大(da)(da)流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)傳播(bo),從(cong)流(liu)(liu)行(xing)(xing)(xing)(xing)病(bing)(bing)學(xue)來(lai)看可(ke)作為(wei)(wei)(wei)傷(shang)(shang)(shang)寒(han)(han)(han)就(jiu)是流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)的(de)(de)(de)(de)佐證(zheng)(zheng)(zheng)(zheng),這(zhe)(zhe)一點(dian)少(shao)有(you)(you)(you)(you)異議(yi)。另(ling)外,流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)是屬(shu)于經(jing)常和(he)(he)氣候條件有(you)(you)(you)(you)關的(de)(de)(de)(de)疾病(bing)(bing),其(qi)(qi)發(fa)病(bing)(bing)率上升多(duo)(duo)見(jian)于寒(han)(han)(han)冷的(de)(de)(de)(de)月份,夏季(ji)一直維(wei)持在(zai)(zai)較低的(de)(de)(de)(de)水平。《注解傷(shang)(shang)(shang)寒(han)(han)(han)論》卷(juan)二(er)《傷(shang)(shang)(shang)寒(han)(han)(han)例第三(san)》則說:“凡傷(shang)(shang)(shang)寒(han)(han)(han)之病(bing)(bing),多(duo)(duo)從(cong)風寒(han)(han)(han)得之”,“冬時(shi)(shi)嚴寒(han)(han)(han),觸(chu)冒(mao)之者(zhe)(zhe)乃名傷(shang)(shang)(shang)寒(han)(han)(han)。”又說:“其(qi)(qi)傷(shang)(shang)(shang)于四時(shi)(shi)之氣皆能為(wei)(wei)(wei)病(bing)(bing)。”可(ke)見(jian),四時(shi)(shi)皆能為(wei)(wei)(wei)病(bing)(bing)而(er)(er)以嚴冬為(wei)(wei)(wei)最(zui),這(zhe)(zhe)一點(dian)傷(shang)(shang)(shang)寒(han)(han)(han)與(yu)(yu)流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)也(ye)(ye)(ye)吻(wen)(wen)臺。再(zai)從(cong)臨床(chuang)過程來(lai)看。流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)一般在(zai)(zai)發(fa)病(bing)(bing)時(shi)(shi)即(ji)出(chu)現(xian)(xian)(xian)全身中(zhong)毒(du)現(xian)(xian)(xian)象(xiang)(xiang),呼吸道(dao)粘膜的(de)(de)(de)(de)卡他(ta)現(xian)(xian)(xian)象(xiang)(xiang)出(chu)現(xian)(xian)(xian)較晚(wan)或不(bu)出(chu)現(xian)(xian)(xian)。前者(zhe)(zhe)有(you)(you)(you)(you)晨寒(han)(han)(han)、發(fa)熱(re)(re)(re)(re)(re)(re)、頭(tou)痛、身酸以及乏力(li)、惡(e)性(xing)(xing)(xing)嘔(ou)吐、無(wu)汗(han)(han)或多(duo)(duo)汗(han)(han)等(deng)。太(tai)陽(yang)(yang)(yang)(yang)病(bing)(bing)提綱(gang)是“脈浮頭(tou)項強痛而(er)(er)惡(e)寒(han)(han)(han)”,正好(hao)概括初起的(de)(de)(de)(de)中(zhong)毒(du)表(biao)現(xian)(xian)(xian)。太(tai)陽(yang)(yang)(yang)(yang)表(biao)虛證(zheng)(zheng)(zheng)(zheng)和(he)(he)表(biao)實證(zheng)(zheng)(zheng)(zheng)分(fen)別表(biao)現(xian)(xian)(xian)的(de)(de)(de)(de)發(fa)熱(re)(re)(re)(re)(re)(re)汗(han)(han)出(chu)、干嘔(ou)和(he)(he)發(fa)熱(re)(re)(re)(re)(re)(re)無(wu)汗(han)(han)、嘔(ou)逆(ni)、體痛,使其(qi)(qi)概括更為(wei)(wei)(wei)完整。太(tai)陽(yang)(yang)(yang)(yang)病(bing)(bing)篇對(dui)于精(jing)(jing)神(shen)狀(zhuang)(zhuang)態(tai)也(ye)(ye)(ye)有(you)(you)(you)(you)描述(shu)。流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)病(bing)(bing)毒(du)侵害神(shen)經(jing)系統,在(zai)(zai)精(jing)(jing)神(shen)方面可(ke)出(chu)現(xian)(xian)(xian)多(duo)(duo)種癥(zheng)(zheng)狀(zhuang)(zhuang)。如倦怠、冷淡、嗜眠,甚至譫語、神(shen)智不(bu)清(qing)等(deng)。事實上,太(tai)陽(yang)(yang)(yang)(yang)、陽(yang)(yang)(yang)(yang)明(ming)、少(shao)陽(yang)(yang)(yang)(yang)、少(shao)陰(yin)等(deng)經(jing)證(zheng)(zheng)(zheng)(zheng),都有(you)(you)(you)(you)關于精(jing)(jing)神(shen)方面符合流(liu)(liu)感臨床(chuang)過程的(de)(de)(de)(de)描述(shu)。起太(tai)陽(yang)(yang)(yang)(yang),繼陽(yang)(yang)(yang)(yang)明(ming),于是有(you)(you)(you)(you)“身熱(re)(re)(re)(re)(re)(re)、汗(han)(han)自出(chu)、不(bu)惡(e)寒(han)(han)(han)反惡(e)熱(re)(re)(re)(re)(re)(re)”的(de)(de)(de)(de)陽(yang)(yang)(yang)(yang)明(ming)提綱(gang)證(zheng)(zheng)(zheng)(zheng)。病(bing)(bing)程較長,“傷(shang)(shang)(shang)寒(han)(han)(han)五六日(ri)”即(ji)可(ke)出(chu)現(xian)(xian)(xian)“往來(lai)寒(han)(han)(han)熱(re)(re)(re)(re)(re)(re)”的(de)(de)(de)(de)少(shao)陽(yang)(yang)(yang)(yang)病(bing)(bing)。流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)的(de)(de)(de)(de)熱(re)(re)(re)(re)(re)(re)型(xing),常見(jian)的(de)(de)(de)(de)為(wei)(wei)(wei)弛張熱(re)(re)(re)(re)(re)(re),偶爾(er)可(ke)見(jian)間(jian)(jian)歇熱(re)(re)(re)(re)(re)(re)。呈弛張熱(re)(re)(re)(re)(re)(re)大(da)(da)多(duo)(duo)在(zai)(zai)起病(bing)(bing)不(bu)久,其(qi)(qi)時(shi)(shi)畏冷寒(han)(han)(han)戰已消(xiao)失,反覺煩熱(re)(re)(re)(re)(re)(re),而(er)(er)且有(you)(you)(you)(you)多(duo)(duo)汗(han)(han)的(de)(de)(de)(de)現(xian)(xian)(xian)象(xiang)(xiang),這(zhe)(zhe)時(shi)(shi)的(de)(de)(de)(de)征象(xiang)(xiang)顯示陽(yang)(yang)(yang)(yang)明(ming)經(jing)癥(zheng)(zheng)。發(fa)熱(re)(re)(re)(re)(re)(re)期間(jian)(jian)流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)常見(jian)到食欲消(xiao)失、便秘、腹痛等(deng)消(xiao)化道(dao)癥(zheng)(zheng)狀(zhuang)(zhuang),這(zhe)(zhe)些癥(zheng)(zheng)狀(zhuang)(zhuang)便是傷(shang)(shang)(shang)寒(han)(han)(han)的(de)(de)(de)(de)陽(yang)(yang)(yang)(yang)明(ming)腑證(zheng)(zheng)(zheng)(zheng)。流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)出(chu)現(xian)(xian)(xian)間(jian)(jian)歇熱(re)(re)(re)(re)(re)(re),畏冷與(yu)(yu)發(fa)熱(re)(re)(re)(re)(re)(re)反復(fu)相續,這(zhe)(zhe)便是寒(han)(han)(han)熱(re)(re)(re)(re)(re)(re)往來(lai)的(de)(de)(de)(de)少(shao)陽(yang)(yang)(yang)(yang)癥(zheng)(zheng)。流(liu)(liu)感的(de)(de)(de)(de)血管神(shen)經(jing)中(zhong)毒(du)癥(zheng)(zheng)狀(zhuang)(zhuang),也(ye)(ye)(ye)符合少(shao)陰(yin)病(bing)(bing)證(zheng)(zheng)(zheng)(zheng)的(de)(de)(de)(de)描述(shu)。例如“少(shao)陰(yin)病(bing)(bing)惡(e)寒(han)(han)(han)身蜷(quan)而(er)(er)利,手足逆(ni)冷者(zhe)(zhe)不(bu)治(zhi);少(shao)陰(yin)病(bing)(bing)六七日(ri),息(xi)高(gao)者(zhe)(zhe)死。”綜(zong)上所述(shu),可(ke)以認定(ding)流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)的(de)(de)(de)(de)臨床(chuang)過程吻(wen)(wen)合于六經(jing)傳變,更參(can)照(zhao)流(liu)(liu)行(xing)(xing)(xing)(xing)病(bing)(bing)學(xue)的(de)(de)(de)(de)比(bi)較,足以說明(ming)建安(an)年間(jian)(jian)的(de)(de)(de)(de)傷(shang)(shang)(shang)寒(han)(han)(han)就(jiu)是流(liu)(liu)行(xing)(xing)(xing)(xing)性(xing)(xing)(xing)感冒(mao)。
3、溫(wen)病學對流(liu)行(xing)性(xing)感冒的認(ren)識
溫病學既成體系,衛氣營血逐漸取代六經,但是對于流行性感冒來說,營血證候鮮見,衛氣盡管包羅三陽,也嫌不夠恰切,如三陽證候更能概括流行性感冒臨床的層次。不過,溫病學善用寒涼,步步顧及液津,這對于流行性感冒的中醫藥治療有著非常重要的意義。流行性感冒從中醫學的角度看,始終一派熱象,上焦氣熱爍津,甚剛胃火婚灼,水主之氣不能上榮,清竅必干,在表宜辛涼輕劑,入里則須苦寒宜清里熱,而時時當以顧護液津為急務。倘一味泥于《傷寒論》開手麻黃、桂枝,恐南轅北轍,徒增其病。因此,對于流行性感冒的中醫診療,一方面應當師法于《傷寒論》截取三陽,以為辨證綱領;另一方面又當參照溫熱諸論,善用寒涼,顧護津液。這樣做并無矛盾,《傷寒論》溫病學,產生于不同時期,有著不同的看法,然它們前后相續,互為輔充,有機結合,必更臻完善。
流行性感冒中醫辨證和治療
中(zhong)醫認(ren)為感(gan)(gan)冒(mao)是由于風(feng)邪乘人體(ti)(ti)御邪能(neng)力不足時(shi),侵襲肺衛皮毛所致。四(si)季之中(zhong),氣(qi)候失常,如春(chun)應(ying)溫而(er)反(fan)寒,夏(xia)應(ying)熱而(er)反(fan)冷等,風(feng)邪易侵入人體(ti)(ti)而(er)感(gan)(gan)冒(mao),甚至(zhi)引起時(shi)行感(gan)(gan)冒(mao)。本病一般以實證(zheng)居(ju)多,如體(ti)(ti)虛感(gan)(gan)邪則為本虛標實之證(zheng)。
風寒(han)夾濕(shi)
癥(zheng)狀:惡(e)寒(han)少汗,頭重(zhong)如裹(guo),肢體關節(jie)酸楚疼痛,咳嗽聲重(zhong),鼻(bi)塞流涕(ti),舌苔白(bai)膩,脈濡。
治則:疏風祛濕,散寒(han)解(jie)表。
方(fang)藥:羌活(huo)勝濕湯(tang)
羌活、獨活、藁本、防風、甘草、川芎、蔓荊子。
加(jia)(jia)減(jian):無汗可加(jia)(jia)豆卷、蒼(cang)術;痰多(duo)加(jia)(jia)半夏、陳皮(pi)。
外(wai)感風寒
癥狀:鼻塞(sai)聲重,鼻癢噴嚏(ti),流涕清稀,咳嗽痰多清稀,甚則發熱惡(e)寒,無汗頭疼(teng),肢體酸(suan)痛,舌苔薄白,脈(mo)浮緊。
治則(ze):辛溫解表,宣肺散寒
方藥:荊防敗毒散
荊芥、防風、柴胡(hu)、川芎、枳(zhi)殼、羌活、獨活、茯苓、桔梗、前胡(hu)、甘(gan)草。
加(jia)(jia)減:風(feng)寒郁閉較甚,加(jia)(jia)麻黃(huang)、桂枝;咳痰較甚者,加(jia)(jia)杏仁、浙(zhe)貝(bei)母。
外感風熱(re)
癥狀:發熱惡(e)風,或微惡(e)寒,頭痛(tong),鼻塞流(liu)濁(zhuo)涕,咳(ke)嗽(sou)痰(tan)黃,口干渴,咽喉紅腫(zhong)疼痛(tong),舌(she)邊(bian)尖紅,苔薄黃,脈浮(fu)數。
治則:辛涼解表,宣(xuan)肺(fei)散清(qing)熱(re)。
方藥:銀翹散、銀花(hua)、連翹、桔梗、薄荷、竹葉(xie)、生甘草、芥穗、淡豆豉、牛(niu)蒡子(zi)、鮮(xian)蘆根。
加(jia)(jia)減:鼻(bi)塞頭(tou)痛明顯,加(jia)(jia)蒼耳子、辛夷、白芷;咽痛較(jiao)重,加(jia)(jia)元參、馬勃、板蘭根;口渴甚,加(jia)(jia)天花(hua)粉;熱甚,加(jia)(jia)黃(huang)芩。