

Health Library
October 10, 2025
Question on this topic? Get an instant answer from August.
I-Donepezil iyikhambi elibhalwe ngudokotela elisiza ukuthuthukisa ukucabanga nenkumbulo kubantu abanesifo i-Alzheimer's. Ingaphansi kweqembu lemithi ebizwa ngokuthi ama-cholinesterase inhibitors, asebenza ngokwandisa amakhemikhali athile obuchopho asiza ngenkumbulo nokufunda.
Lo muthi ngeke uselaphe isifo i-Alzheimer's, kodwa ungasiza ukwehlisa ezinye zezimpawu isikhashana. Imindeni eminingi ithola ukuthi i-donepezil isiza abathandekayo babo ukuthi bacabange ngokucacile futhi bahlale bezimele isikhashana.
I-Donepezil yikhambi lobuchopho elisiza ukubuyisela ibhalansi yamakhemikhali emvelo ebuchosheni bakho. Ngokuqondile, yandisa amazinga e-acetylcholine, isithunywa samakhemikhali esibalulekile ngenkumbulo, ukucabanga, nokuqonda.
Cabanga nge-acetylcholine njengamafutha ezikhungo zenkumbulo zobuchopho bakho. Esifweni i-Alzheimer's, lawa mafutha ayaphela ngoba i-enzyme iyawahlukanisa ngokushesha kakhulu. I-Donepezil ivimba leyo enzyme, isiza ukugcina okuningi kwaleli khemikhali elibalulekile lobuchopho.
Umuthi uza ngamaphilisi ajwayelekile namaphilisi ancibilikayo owathatha ngomlomo. Itholakala ngamandla ahlukene, ngakho udokotela wakho angashintsha umthamo ngokuya ngendlela ozosabela ngayo ekwelashweni.
I-Donepezil isetshenziswa ikakhulukazi ukwelapha ukuwohloka kwengqondo okubangelwa isifo i-Alzheimer's. Ivunyelwe kuzo zonke izigaba ze-Alzheimer's, kusukela ezimpawini ezithambile kuya kwezinzima.
Umuthi ungasiza ezindaweni eziningana ezithintwa yi-Alzheimer's. Ungase uqaphele ukuthuthuka enkumbulweni, ukunaka, ukuqonda, ulimi, kanye nekhono lokwenza imisebenzi yansuku zonke njengokugqoka noma ukulungisa ukudla.
Ngezinye izikhathi odokotela babhala i-donepezil kwezinye izinhlobo zokuwohloka kwengqondo, nakuba lokhu kungavamile. Lokhu kungabandakanya ukuwohloka kwengqondo okuhlobene nesifo i-Parkinson's noma ukuwohloka kwengqondo kwemithambo yegazi, kodwa kufanele ukuthatha kuphela ngalezi zimo ngaphansi kokugadwa kwezokwelapha okuseduze.
Kubalulekile ukuqonda ukuthi i-donepezil ayimisi ukuthi isifo i-Alzheimer siqhubeke. Kunalokho, ingasiza ukugcina izinga lakho lamanje lokusebenza izinyanga eziningana noma iminyaka ethile kwezinye izimo.
I-Donepezil isebenza ngokuvimba i-enzyme ebizwa nge-acetylcholinesterase ebuchosheni bakho. Le enzyme ngokuvamile ichitha i-acetylcholine, ikhemikhali esiza amaseli ezinzwa ukuthi axhumane.
Uma unesifo i-Alzheimer, ulahlekelwa amaseli amaningi obuchopho akhiqiza i-acetylcholine. Ngokuvimba i-enzyme ecekela phansi le khemikhali, i-donepezil isiza ukugcina okusele, inike amaseli akho obuchopho asele ithuba elingcono lokusebenza.
Lo muthi uthathwa njengosebenza kahle ngokulinganisela kunokuba namandla. Abantu abaningi abazuza ku-donepezil bathola ukuthuthuka okuncane ekucabangeni nasekusebenzeni kwansuku zonke, hhayi izinguquko ezinkulu.
Imiphumela ivame ukubonakala phakathi kwamasonto ambalwa kuya ezinyangeni ezimbalwa zokuqala ukwelashwa. Kodwa-ke, izinzuzo zingaba ngaphansi, futhi amalungu omndeni avame ukuqaphela ukuthuthuka ngaphezu komuntu othatha umuthi.
Thatha i-donepezil ngendlela eqondile udokotela wakho ayalela ngayo, ngokuvamile kanye ngosuku kusihlwa ngaphambi kokulala. Ukuyithatha ngesikhathi sokulala kungasiza ukunciphisa eminye imiphumela emibi efana nesicanucanu noma isisu esibuhlungu.
Ungayithatha i-donepezil ngaphandle noma ngaphandle kokudla, kodwa ukuyithatha nokudla kungasiza ekuvimbeleni ukucasuka kwesisu. Uma ukhetha ifomu lethebhulethi elincibilikayo, liyeke lincibilike ngokuphelele olimini lwakho ngaphambi kokugwinya.
Nawa amathiphu awusizo okuthatha i-donepezil ngokuphepha:
Uma i-donepezil ikukhathaza isisu sakho, zama ukuyithatha ngesidlo esilula noma ngemva kwesidlo sakusihlwa. Abanye abantu bathola ukuthi ukudla okuthile okungenambitheki njengama-crackers noma isinkwa esosiwe kuyasiza ekunciphiseni isicanucanu.
Abantu abaningi bathatha i-donepezil izinyanga noma iminyaka, uma nje iqhubeka nokuhlinzeka ngezinzuzo futhi ingabangeli imiphumela emibi. Udokotela wakho uzofuna ukukubona njalo ukuze ahlulele ukuthi umuthi usebenza kahle kangakanani.
Isikhathi siyahluka kakhulu kumuntu nomuntu. Abanye abantu bayazuza ku-donepezil iminyaka eminingana, kanti abanye bangase babone ngcono isikhathi esincane.
Udokotela wakho cishe uzoqala ngomthamo ophansi futhi awunyuse kancane kancane ngokuhamba kwesikhathi. Le ndlela isiza umzimba wakho ukuthi ujwayele umuthi futhi inciphisa ingozi yemiphumela emibi.
Uma wena nodokotela wakho ninquma ukuyeka i-donepezil, ngokuvamile kuphephile ukuyeka kungazelelwe. Nokho, ungase uqaphele ukuthi izimpawu zibuyela noma ziba zimbi ngokushesha ngemva kokuyeka, okujwayelekile futhi okulindelekile.
Njengayo yonke imithi, i-donepezil ingabangela imiphumela emibi, nakuba kungewona wonke umuntu oyitholayo. Imiphumela eminingi emibi imnene futhi ivame ukuthuthuka njengoba umzimba wakho ujwayela umuthi.
Imiphumela emibi evame kakhulu ongase uyithole ihlanganisa:
Le miphumela emibi evamile ivame ukwenzeka uma uqala ukuthatha i-donepezil noma uma umthamo wakho unyuswa. Ngokuvamile ziba ngaphansi kokuqashelwa ngemva kwamasonto ambalwa okwelashwa.
Imiphumela emibi engavamile kodwa engathi sína ingenzeka, futhi kufanele uthinte udokotela wakho uma uthola:
Imiphumela emibi engavamile kodwa ebucayi ihlanganisa ukusabela okukhulu komzimba, izinkinga zesibindi, noma izinguquko ezinkulu zesigqi senhliziyo. Nakuba lokhu kungavamile, kubalulekile ukufuna usizo lwezokwelapha ngokushesha uma uhlangabezana nobuhlungu besifuba, ubunzima obukhulu bokuphefumula, noma izimpawu zokusabela komzimba njengokuqubuka okusabalale noma ukuvuvukala.
I-Donepezil ayifanele wonke umuntu, futhi izimo ezithile zezempilo zingenza kungaphephile ukuthi uthathe lo muthi. Udokotela wakho uzobukeza ngokucophelela umlando wakho wezokwelapha ngaphambi kokuku-oda.
Akufanele uthathe i-donepezil uma unenkinga yokungezwani nayo noma imithi efanayo. Izimpawu zokusabela komzimba zihlanganisa ukuqubuka, ukuluma, ukuvuvukala, isiyezi esibi, noma ubunzima bokuphefumula.
Abantu abanezimo ezithile zenhliziyo badinga ukucatshangelwa okukhethekile ngaphambi kokuthatha i-donepezil. Lokhu kuhlanganisa labo abane:
Ezinye izimo ezingase zidinge ukuqapha ngokucophelela noma ukulungiswa komthamo zihlanganisa:
Uma ukhulelwe noma uncelisa, xoxa ngezingozi nezinzuzo nodokotela wakho. Kukhona ulwazi olulinganiselwe mayelana nokuphepha kwe-donepezil ngesikhathi sokukhulelwa, ngakho-ke ngokuvamile isetshenziswa kuphela uma izinzuzo zicacile ukwedlula izingozi.
I-Donepezil iyatholakala ngaphansi kwamagama amaningi emikhiqizo, i-Aricept iyona eyaziwa kakhulu futhi ebekwa kakhulu. I-Aricept yaba yigama lomkhiqizo wokuqala lapho i-donepezil yaqala ukutholakala.
Ungase futhi uthole i-donepezil ithengiswa ngaphansi kwamanye amagama emikhiqizo kuye ngendawo yakho nekhemisi. Izinhlobo ze-generic ze-donepezil zitholakala kabanzi futhi ziqukethe isithako esifanayo esisebenzayo njengezinhlobo ezinamagama emikhiqizo.
I-Donepezil ye-Generic ivame ukuba ibize kakhulu kunezinhlobo ezinamagama emikhiqizo futhi isebenza ngempumelelo efanayo. Umshwalense wakho ungase ukhethe uhlobo lwe-generic, olungasiza ukunciphisa izindleko zakho eziphumayo.
Noma ngabe uthatha i-donepezil enegama lomkhiqizo noma i-generic, umuthi kufanele usebenze ngendlela efanayo. Uma unezinkathazo ngokushintsha phakathi kwezinhlobo, xoxa ngalokhu nodokotela wakho noma usokhemisi.
Uma i-donepezil ingasebenzi kahle kuwe noma ibangela imiphumela engathandeki, imithi eminingi ehlukile iyatholakala yokwelapha isifo i-Alzheimer. Udokotela wakho angakusiza ukuthi uhlole lezi zinketho.
Ezinye izithiyo ze-cholinesterase zisebenza ngendlela efanayo ne-donepezil kodwa zingase zibekezelelwe kangcono ngabanye abantu. Lokhu kufaka phakathi i-rivastigmine (Exelon) ne-galantamine (Razadyne).
Ngesifo i-Alzheimer esiphakathi nendawo kuya kwesinqala, i-memantine (Namenda) inikeza indlela ehlukile. Isebenza ngokulawula i-glutamate, enye ikhemikhali yobuchopho, futhi ingasetshenziswa yodwa noma ihlanganiswe ne-donepezil.
Abanye abantu bayazuza ekwelashweni okuhlanganisiwe, bathatha i-donepezil ne-memantine ndawonye. Le ndlela ingahlinzeka ngezinzuzo ezengeziwe kubantu abanesifo i-Alzheimer esithuthuke kakhulu.
Izindlela ezingezona zemithi zingakwazi futhi ukugcwalisa noma ngezinye izikhathi zisebenze njengezinye izindlela zokwelashwa ngemithi. Lokhu kungabandakanya imisebenzi yokukhuthaza ukuqonda, ukuzivocavoca njalo, ukuzibandakanya emphakathini, nokugcina isimiso sansuku zonke esihlelekile.
Kokubili i-donepezil ne-rivastigmine ziyizithiyo eziphumelelayo ze-cholinesterase, kodwa akukho noyedwa ongcono kunomunye ngokuqinisekile. Ukukhetha phakathi kwazo kuvame ukuncika ezintweni zomuntu ngamunye njengemiphumela emibi, ukulula kokulinganisa, nokuphendula komuntu siqu.
I-Donepezil ivame ukuthathwa kanye ngosuku, okutholakala abantu abaningi kulula kuno-rivastigmine, ovame ukuthathwa kabili ngosuku. Lolu hlelo lokulinganisa olulula lungasiza ekunamatheleni kwemithi.
Nokho, i-rivastigmine iza ngesimo sesiqeshana, esingasiza abantu abanobunzima bokugwinya amaphilisi noma abakhohlwa njalo ukuthatha imithi. Isiqeshana sinikeza amazinga emithi aqhubekayo usuku lonke.
Abanye abantu bayayibekezelela kangcono imithi eyodwa kunenye. Uma uhlangabezana nemiphumela emibi ebalulekile nge-donepezil, i-rivastigmine ingase ibe enye indlela enhle ongayizama, futhi okuphambene nalokho.
Ucwaningo lubonisa ukuthi zombili lezi zithako zinikeza izinzuzo ezifanayo zokucabanga nokusebenza kwansuku zonke kubantu abanesifo i-Alzheimer's. Udokotela wakho angakusiza ukuthi unqume ukuthi iyiphi inketho engasebenza kangcono esimweni sakho esithile.
I-Donepezil ingasetshenziswa ngokuphepha kubantu abaningi abanezifo zenhliziyo, kodwa idinga ukuqashwa ngokucophelela ngudokotela wakho. Umuthi unganciphisa izinga lokushaya kwenhliziyo yakho futhi ungase uthinte isigqi senhliziyo, ngakho udokotela wakho uzodinga ukuhlola isimo sakho senhliziyo esithile.
Uma unomlando wezinkinga zenhliziyo, udokotela wakho cishe uzoqala ngomthamo ophansi futhi aqaphe izinga lokushaya kwenhliziyo yakho nesigqi ngokusondele. Bangase futhi bafune ukwenza i-electrocardiogram (ECG) ngaphambi kokuqala ukwelashwa futhi ngezikhathi ezithile ngenkathi uthatha umuthi.
Abantu abanezimo ezithile zenhliziyo, njenge-sick sinus syndrome noma izinkinga ezinkulu zokushaya kwenhliziyo, kungenzeka badinge ukugwema i-donepezil noma bayisebenzise ngokuqapha okukhulu. Udokotela wakho wenhliziyo kanye nodokotela wakho wezinzwa bangasebenzisana ukuze banqume indlela ephephe kakhulu kuwe.
Uma ngengozi uthatha i-donepezil eningi kunaleyo ebekiwe, xhumana nodokotela wakho noma isikhungo sokulawula ubuthi ngokushesha, ngisho noma uzizwa ulungile. Ukuthatha i-donepezil eningi kungabangela imiphumela emibi engase ingaveli ngokushesha.
Izimpawu zokweqisa kwe-donepezil zingabandakanya isicanucanu esibi nokuhlanza, ukujuluka ngokweqile, ukushaya kwenhliziyo okuhamba kancane, ubuthakathaka bemisipha, ubunzima bokuphefumula, noma ukuquleka. Uma uhlangabezana nanoma yiziphi zalezi zimpawu, funa usizo oluphuthumayo lwezokwelapha ngokushesha.
Ukuvimbela ukweqisa ngengozi, sebenzisa umhleli wamaphilisi noma uhlelo lokusebenza lokulandelela imithi ukuze ulandelele imithamo yakho. Uma uhlala nomuntu, bangakusiza ukukukhumbuza ukuthi usuvele uyithathile yini umthamo wakho wansuku zonke.
Uma uphuthelwa umthamo we-donepezil, yithathe ngokushesha lapho ukhumbula, ngaphandle kwalapho sekuyisikhathi somthamo wakho olandelayo. Kulokho, weqa umthamo ophuthelwe bese uthatha umthamo wakho olandelayo ngesikhathi esijwayelekile.
Ungalokothi uthathe imithamo emibili ngesikhathi esisodwa ukuze ulungise umthamo ophuthelwe, ngoba lokhu kungandisa ingozi yakho yemiphumela emibi. Uma uphuthelwa imithamo kaningi, khuluma nodokotela wakho mayelana namaqhinga okukusiza ukuthi ukhumbule.
Ukuphuthelwa imithamo ngezikhathi ezithile ngokuvamile ngeke kubangele izinkinga ezinkulu, kodwa zama ukugcina isimiso esiqhubekayo uma kungenzeka. Uma uphuthelwa imithamo eminingana ilandelana, udokotela wakho angase afune ukuqala kabusha ngomthamo ophansi ukuze avimbele imiphumela emibi.
Isinqumo sokuyeka ukuthatha i-donepezil kufanele senziwe ngaso sonke isikhathi ngesiqondiso sikadokotela wakho. Ungase ucabange ukuyeka uma imithi ingasanikezi izinzuzo noma uma imiphumela emibi iba yinkinga kakhulu.
Abanye abantu bakhetha ukuyeka i-donepezil ezigabeni zokugcina zesifo i-Alzheimer lapho ukugxila kushintshela ekunakekelweni kokunethezeka. Abanye bangase badinge ukuyeka ngenxa yezinye izinkinga zempilo noma ukusebenzisana kwemithi.
Ngokuvamile kuphephile ukuyeka i-donepezil ngokuzumayo, kodwa kufanele ulindele ukuthi izimpawu zingase zibuye noma zibe zimbi ngokushesha. Udokotela wakho angakusiza ukuthi ulinganise izinzuzo nezingozi zokuqhubeka nokuyeka imithi.
Kungcono ukukhawulela ukusetshenziswa kotshwala ngenkathi uthatha i-donepezil, njengoba utshwala bungenza ngcono imiphumela eminingi engemihle futhi bungase buphazamise ukusebenza kahle komuthi. Utshwala bungase futhi benze kube kubi ukudideka nezinkinga zenkumbulo.
Uma ukhetha ukuphuza utshwala ngezikhathi ezithile, yenza kanjalo ngokulinganisela futhi uqaphele ukuthi ungase uzwe kalula imiphumela yotshwala ngenkathi uthatha i-donepezil. Ungalokothi uphuze utshwala uma uhlangabezana nemiphumela engemihle efana nesiyezi noma isicanucanu.
Xoxa nodokotela wakho mayelana nemikhuba yakho yokusetshenziswa kotshwala ukuze bakwazi ukukunikeza iseluleko somuntu siqu esisekelwe empilweni yakho yonke kanye nohlelo lwemithi. Bangase batusa ukugwema utshwala ngokuphelele kuye ngesimo sakho esithile.
Get clear medical guidance
on symptoms, medications, and lab reports.