

Health Library
October 10, 2025
Question on this topic? Get an instant answer from August.
I-Methylnaltrexone bromide iyimithi kadokotela eyenzelwe ukusiza ukwelapha ukuqunjelwa okubangelwa yi-opioid kubantu abadala. Uma usebenzisa imithi yokwelapha ubuhlungu be-opioid futhi ulwa nokuqunjelwa okukhulu, le mithi isebenza ngokuvimba ama-receptor e-opioid ohlelweni lwakho lokugaya ukudla ngaphandle kokuthinta ukukhululeka kobuhlungu. Yenziwe ngqo kubantu abangazange bathole ukukhululeka okwanele emiphumeleni eceleni enzima evela kumalaxatives abo avamile.
I-Methylnaltrexone bromide ingeyeqembu lemithi ebizwa ngokuthi ama-opioid antagonists. Cabanga ngayo njengomsizi oqondiwe osebenza ngqo emathunjini akho ukuze alwe nokuqunjelwa okubangelwa imithi ye-opioid. Ngokungafani nezinye izindlela zokwelapha ukuqunjelwa, le mithi yenzelwe ukubhekana nembangela eyinhloko kunokumane nje kube izimpawu.
Le mithi iza ngesimo samaphilisi futhi ithathwa ngomlomo. Yenziwe ngokucophelela ukuthi isebenze endaweni emathunjini akho ngaphandle kokungena ebuchosheni bakho, okusho ukuthi ngeke iphazamise ukusebenza kahle komuthi wakho wokwelapha ubuhlungu. Le ndlela eqondiwe iyenza ibaluleke kakhulu kubantu abadinga ukwelashwa kwe-opioid okuqhubekayo kodwa abafuna ukukhululeka emiphumeleni eceleni yokugaya ukudla.
Le mithi ngokuyinhloko inikezwa ukuqunjelwa okubangelwa yi-opioid kubantu abadala abanezinhlungu ezingamahlalakhona ezingezona umdlavuza. Uma ubelokhu usebenzisa imithi yokwelapha ubuhlungu be-opioid njenge-morphine, i-oxycodone, noma i-fentanyl isikhathi eside, ungase uhlangabezane nokuqunjelwa okukhulu okungaphenduli kahle kuma-laxatives avamile.
Udktela wakho angase ancome i-methylnaltrexone bromide uma uzamile ezinye izindlela zokwelapha ukuqunjelwa ngaphandle kwempumelelo. Umuthi wenzelwe ngqo izimo lapho imithi ye-opioid idingeka ngokwezokwelapha, kodwa ukuqunjelwa okubangelwa yiyo kuthinta kakhulu izinga lempilo yakho. Akuhloselwe ukuqunjelwa okwenzeka ngezikhathi ezithile noma ukuqunjelwa okubangelwa ezinye izimbangela.
I-Methylnaltrexone bromide isebenza ngokuvimba ama-receptor e-opioid ohlelweni lwakho lokugaya ukudla. Uma uthatha imithi ebamba ubuhlungu ye-opioid, zibopha kuma-receptor emzimbeni wakho wonke, okuhlanganisa emathunjini akho, okunciphisa ukuhamba kwamathumbu futhi kubangele ukuqunjelwa.
Lo muthi usebenza njengomvimbi okhethekile ovimbela ama-opioid ukuthi anamathele kuma-receptor emathunjini akho. Inzuzo enkulu ukuthi ayiweli emgodini we-blood-brain, ngakho ngeke yehlise ukusebenza kahle komuthi wakho wokubamba ubuhlungu. Kuthathwa njengomuthi onamandla aphakathi nendawo osebenza ngqo lapho idingeka kakhulu.
Abantu abaningi baqala ukubona imiphumela kungakapheli amahora ambalwa kuya osukwini olulodwa ngemva kokuthatha umuthi. Umphumela uvame ukubonakala kodwa uthambile, usiza ukubuyisela ukusebenza kwamathumbu okuvamile ngaphandle kokubangela ukushesha okungazelelwe noma okungakhululeki.
Thatha i-methylnaltrexone bromide njengoba unqunywe ngudokotela wakho, ngokuvamile kanye ngosuku esiswini esingenalutho. Umuthi usebenza kahle uma uthathwa okungenani imizuzu engama-30 ngaphambi kokudla kwakho kokuqala kosuku noma okungenani amahora amabili ngemva kokudla.
Gwinya ithebhulethi yonke ngengilazi yamanzi egcwele. Ungayichobozi, uhlafune, noma uyiphule ithebhulethi, ngoba lokhu kungathinta indlela umuthi ogaywa ngayo futhi ukhishwe emzimbeni wakho. Uma unenkinga yokugwinya amaphilisi, khuluma nodokotela wakho mayelana nezinye izindlela esikhundleni sokushintsha ithebhulethi.
Zama ukuthatha umthamo wakho ngesikhathi esifanayo nsuku zonke ukuze ugcine amazinga aqhubekayo emzimbeni wakho. Uma udla ukudla okunamafutha amaningi, kunganciphisa ukusebenza komuthi, ngakho-ke ukuhlela isikhathi sokudla kubalulekile ukuze uthole imiphumela emihle.
Ubude bokwelashwa buxhomeke ekutheni udinga isikhathi esingakanani umuthi wokubamba ubuhlungu we-opioid. Njengoba i-methylnaltrexone bromide yenzelwe ukulwa nokuqunjelwa okubangelwa yi-opioid, cishe uzoqhubeka nokuyithatha uma nje usekwelashweni kwe-opioid futhi uhlangabezana nokuqunjelwa.
Udokotela wakho uzohlola njalo ukuthi ngabe umuthi usadingeka futhi usebenza ngempumelelo yini esimweni sakho. Abanye abantu bangase bawudinge amasonto noma izinyanga, kanti abanye bangase badinge ukwelashwa kwesikhathi eside. Okubalulekile ukuthola ibhalansi efanele phakathi kokuphatha ubuhlungu bakho nokugcina ukusebenza kwamathumbu okunethezekile.
Ungayeki ukuthatha lo muthi ngokuzumayo ngaphandle kokubonisana nodokotela wakho, ikakhulukazi uma usathatha imithi yokubamba ubuhlungu ye-opioid. Umhlinzeki wakho wezempilo uzokusiza ukuthi unqume ubude bokwelashwa obufanele ngokuya ngezidingo zakho zomuntu ngamunye nokuphendula ekwelashweni.
Njengayo yonke imithi, i-methylnaltrexone bromide ingabangela imiphumela emibi, yize kungewona wonke umuntu oyitholayo. Ukuqonda ukuthi okulindelekile kungakusiza ukuthi uzizwe ulungiseleleke kakhulu futhi wazi ukuthi ungaxhumana nini nomhlinzeki wakho wezempilo.
Imiphumela ejwayelekile eceleni abantu abaningi abayitholayo ihlanganisa:
Le miphumela ivame ukuba mnene futhi ithambekele ekuthuthukiseni njengoba umzimba wakho ujwayela umuthi. Abantu abaningi bathola ukuthi ukuqala ngomthamo omncane osebenzayo kusiza ukunciphisa le miphumela yokuqala eceleni.
Imiphumela engavamile kepha ebucayi kakhulu edinga ukunakekelwa kwezempilo ngokushesha ihlanganisa:
Ngokuvamile, abanye abantu bangase babe nokusabela komzimba noma ukugqoboka kwamathumbu. Uma uqaphela ubuhlungu obukhulu besisu, umkhuhlane, noma izimpawu zokusabela komzimba njengesikhumba noma ubunzima bokuphefumula, funa ukunakekelwa kwezimo eziphuthumayo ngokushesha.
Abantu abathile kufanele bagweme i-methylnaltrexone bromide ngenxa yokukhathazeka ngokuphepha. Udokotela wakho uzobukeza ngokucophelela umlando wakho wezokwelapha ngaphambi kokukuchazela lo muthi ukuze aqinisekise ukuthi ulungele isimo sakho.
Akufanele uthathe lo muthi uma une:
Abantu abanezimo ezithile badinga ukuqapha okwengeziwe nokuqapha okuseduze. Udokotela wakho uzohlola izinzuzo nezingozi uma unomlando wokuhlinzwa kwamathumbu, isifo sikaCrohn, noma ezinye izinkinga zokugaya ukudla.
Abesifazane abakhulelwe nabancelisayo kufanele baxoxe ngezingozi nezinzuzo nomhlinzeki wabo wezempilo, njengoba ukuphepha kwalo muthi ngesikhathi sokukhulelwa nokuncelisa kungakhiwa ngokugcwele.
I-Methylnaltrexone bromide itholakala ngaphansi kwegama lomkhiqizo elithi Relistor. Lo mkhiqizo ukhiqizwa yi-Bausch Health futhi uyindlela evame kakhulu yokuchazwa yalo muthi e-United States.
Ungase futhi uthole izinguqulo ezivamile ze-methylnaltrexone bromide ezitholakalayo, eziqulathe isithako esifanayo esisebenzayo kodwa zingase zibe ngentengo ephansi. Imithi ejwayelekile kufanele ihlangabezane namazinga afanayo okuphepha nokusebenza kahle njengemithi yegama lomkhiqizo, ngakho-ke ziyizinketho ezithembekile ngokulinganayo.
Njalo hlola nomuthi wakho uma ushintsha phakathi kwezinhlobo zomkhiqizo kanye nezinhlobo ezivamile, njengoba kungase kube khona umehluko omncane ezithakweni ezingasebenzi ezingase zithinte indlela ozobekezelela ngayo umuthi.
Imithi eminingi ehlukile ingasiza ekuphatheni ukuqunjelwa okubangelwa yi-opioid uma i-methylnaltrexone bromide ingakulungele. Inketho ngayinye isebenza ngendlela ehlukile futhi ingase ilungele kangcono isimo sakho esithile kanye nomlando wezokwelapha.
Ezinye izindlela zokulwa ne-opioid zihlanganisa i-naloxegol (Movantik) kanye ne-naldemedine (Symproic). Le mithi isebenza ngendlela efana ne-methylnaltrexone bromide ngokuvimba ama-receptor e-opioid ohlelweni lokugaya ukudla ngenkathi igcina ukukhululeka kobuhlungu.
Izinto zokuthambisa ezingokwesiko njenge-docusate, senna, noma i-polyethylene glycol nazo zingasiza, ikakhulukazi uma zisetshenziswa ngokuhlanganiswa. Abanye abantu bathola impumelelo ngezindlela zokuphila ezifana nokwanda kokuthatha uketshezi, i-fiber yokudla, nokuzivocavoca okulula, nakuba lezi zindlela zingase zinganele ekuqunjelweni okubangelwa yi-opioid okukhulu.
Udokotela wakho angakusiza ukuthi uhlole lezi zindlela ezingenye futhi anqume ukuthi iyiphi indlela noma inhlanganisela yokwelapha esebenza kangcono ezidingweni zakho.
Kokubili i-methylnaltrexone bromide kanye ne-naloxegol (Movantik) kuyizindlela zokwelapha ezisebenzayo zokuqunjelwa okubangelwa yi-opioid, kodwa zinezinye izinto eziyinhloko ezihlukile. Ukukhetha phakathi kwazo kuvame ukuncika ezintweni ozikhethayo, emlandweni wakho wezokwelapha, nokuthi ukubekezelela kahle kangakanani umuthi ngamunye.
I-Methylnaltrexone bromide ithathwa kanye ngosuku futhi ingase isebenze ngokushesha kancane kwabanye abantu, ngokuvamile inikeza ukukhululeka emahoreni ambalwa. I-Naloxegol nayo ithathwa kanye ngosuku kodwa ingase ibe nesiqalo esithambile sesenzo, okuthandwa abanye abantu.
Mayelana nemiphumela emibi, womabili imithi ingabangela izimpawu ezifanayo zokugaya ukudla njengobuhlungu besisu nohudo. Kodwa-ke, ukubekezelelana komuntu ngamunye kuyahlukahluka kakhulu, futhi okusebenzela umuntu oyedwa kungase kungabi kuhle komunye.
Udokotela wakho uzocabangela izinto ezinjengeminye imithi yakho, ukusebenza kwezinso, nezintandokazi zakho siqu lapho ekusiza ukuthi ukhethe phakathi kwalezi zinketho. Zombili zithathwa njengezindlela zokwelapha zokuqala ezisebenzayo zokuqunjelwa okubangelwa yi-opioid.
I-Methylnaltrexone bromide ngokuvamile ithathwa njengephephile kubantu abanezifo zenhliziyo, kodwa udokotela wakho uzodinga ukuhlola isimo sakho senhliziyo esithile. Umuthi ngokuvamile awuthinti ngokuqondile ukusebenza kwenhliziyo, kodwa noma yiziphi izinguquko esimweni sakho sempilo esiphelele kufanele ziqashwe.
Uma unezifo zenhliziyo ezinzima noma uthatha imithi eminingi yenhliziyo, udokotela wakho angase afune ukuqala ngomthamo ophansi futhi akuqaphele eduze. Okubalulekile ukuqinisekisa ukuthi noma yimiphi imiphumela emibi yokugaya ukudla ayiphazamisi ukumuncwa kwemithi yakho yenhliziyo noma ukuzinza kwenhliziyo nemithambo yegazi.
Uma ngengozi uphuza okungaphezu komthamo wakho obekiwe, xhumana nodokotela wakho noma isikhungo sokulawula ubuthi ngokushesha. Ukuphuza i-methylnaltrexone bromide eningi kungaholela kuhudo olukhulu, ukushoda kwamanzi emzimbeni, nokungalingani kwama-electrolyte okudinga ukunakekelwa kwezokwelapha.
Ungazami ukulwa nokweqisa ngokuthatha eminye imithi noma ukuyeka imithi yakho yezinhlungu ye-opioid. Kunalokho, gxila ekuhlaliseni amanzi emzimbeni wakho futhi ufune isiqondiso sezokwelapha esichwepheshile. Gcina ibhodlela lomuthi unawo lapho ufuna usizo ukuze abahlinzeki bezempilo bakwazi ukubona kahle ukuthi yini nokuthi ungakanani oyiphuzile.
Uma uphuthelwa umthamo, wuthatha ngokushesha nje lapho ukhumbula, uma nje usasesiswini esingenalutho. Uma sekuseduze nomthamo wakho olandelayo ohleliwe noma usanda kudla, weqa umthamo ophuthelwe bese uqhubeka nohlelo lwakho olujwayelekile.
Ungathathi imithamo emibili ngesikhathi esisodwa ukuze ubuyisele umthamo ophuthelwe, ngoba lokhu kungakhuphula ingozi yakho yemiphumela emibi. Kunalokho, buyela ohlelweni lwakho olujwayelekile lokulinganisa futhi uthinte udokotela wakho uma unemibuzo mayelana nokuphatha imithamo ephuthelwe.
Ngokuvamile, ungaqeda ukuthatha i-methylnaltrexone bromide lapho ungasadingi imithi ebuhlungu ye-opioid noma lapho ukuqina kwakho kwamathumbu kulungile. Nokho, kubalulekile ukuxoxa ngalesi sinqumo nodokotela wakho kunokuyeka ngokuzumayo wedwa.
Umhlinzeki wakho wezempilo uzokusiza ukuthi unqume isikhathi esifanele sokuyeka imithi ngokusekelwe ezidingweni zakho zokuphatha ubuhlungu nezimpawu zokugaya ukudla. Abanye abantu bangase badinge ukuyeka kancane kancane, kanti abanye bangayeka ngokushesha ngaphandle kwezinkinga.
Ngokuvamile, kufanele ugweme ukuthatha ezinye izidakamizwa zokuthambisa ngenkathi usebenzisa i-methylnaltrexone bromide ngaphandle uma uqondiswe ngqo ngudokotela wakho. Ukuhlanganisa ukwelashwa okuphindaphindiwe kokuqina kwamathumbu kungaholela emiphumeleni engabikezeleki futhi kungase kubangele isifo sohudo noma ukushoda kwamanzi emzimbeni.
Uma uzwa ukuthi i-methylnaltrexone bromide yodwa ayinikezi ukukhululeka okwanele, khuluma nomhlinzeki wakho wezempilo mayelana nokulungisa uhlelo lwakho lokwelapha. Bangase batusa ukushintsha umthamo wakho, ukushintsha imithi, noma ukubhekana nezinye izinto ezingase zibe nomthelela ekuqineni kwakho kwamathumbu.
6Mpeople
Get clear medical guidance
on symptoms, medications, and lab reports.