Dùng đúng kháng sinh để làm giảm sự kháng thuốc

Dung dting |ihang sinh

de \am gilm e\J |iiian^ thuoc ^ ^ -» DS. BUI VAN UY

Vi sao vi khua n khang thuoc?

Khi dtmg khang sinh chfla b§nh,

hdu hit vi khuan bi chet nhdng co

mot sl cd the sing sflt. Nhflhg ca

the ndy ddn dd phdt trien, biln

dli gen thdnh chung mdi. Khang

sinh trUdc day dung vd'i chung cu

se khong flc chl dUdc chung mdi.

Chung mdi ndy goi la chflng khdng

thuoc, sinh ra do dung khdng sinh.

Khi dung khdng sinh, dilu kidn

sfl'ng cua vi khuan thay doi ldn, dot

ngflt nin chflng khang thuo'c hinh

thanh nhilu hdn, nhanh hon (so

vdi chung khdng thuoc hinh thdnh

do sfl thay dli tu nhien). Chung

khdng thuo'c sau dfl lan rflng ra

nhieu vflng, nhilu nddc.

Theo dfl, neu dung khdng sinh

khong dung, khflng ldm sach

dddc vi khudn, se tao cd hpi cho

vi khuan so'ng sot, sinh ra chung

khang thulc.

Nhi^Dg thoi quen dung khang

sinh khdng diing

* Khdng dung diing khdng

sinh dqc tri:

Moi khdng sinh chi flc che dfldc

mpt hoac mpt so it loai vi khuin.

Cfl ngufli chfla hieu ky dieu ndy,

chua bilt minh hi nhilm vi khuan

^ cfl dung bat cfl khdng sinh ndo.

Dflng khong dung khang sinh

ddc tri, vi khudn khong bi flc che.

Trong cd the vl'n cfl sdn cac vi

khuan gay benh khac, nhdng chfla

du dilu kien gay b$nh. Khi dung

khing dung khdng sinh ddc tri,

cdc vi khuan khdc trong cd th i

cung dfldc tdp dfldt, sau nhilu ldn

tap dfldt, se chuyln thdnh chung

THUOC & SLfC KHOE so 509 (1.10.2014)

khdng vdi cac khdng sinh tren.

Khi cdc chung khang thuo'c nay

du manh gdy ra bdnh thi dung

khang sinh trdn se khong hieu

qua. Nhu vdy, moi khi dung khdng

sinh khflng dflng loai ddc tri chdng

nhflng khflng chfla khoi binh dang

mdc md con tao cd hfli cho nhieu

vi khuan sinh ra cdc chung khang

vfli khdng sinh do.

*Dung khdng sinh khong du

li^u trinh:

Sau khi dung khdng sinh, trieu

chflng giam nhflng chua hit hdn,

cfl nghia Id vi khuan cfl bi tidu didt

mpt phan nhuttg con mflt phdn

vi khuan ddng kl vdn sing. Khi

trieu chflng mfli vfla hit co nghia

Id phdn ldn vi khudn bi tieu diet

nhUng van con mpt it vi khudn

c6n song sflt. Luc nay, phai tilp

tuc dung khdng sinh cung cl trong

vdi ngay de ldm sach vi khuan

mdi ngflng han thulc (den mflc

kiem nghipm khong tha'y nfla,

gpi Id sach vi khuan). Tuy benh,

tuy thufl'c md mli dpt dung khdng

sinh day du it nhat Id 7 - 10

-» DS. BUI VAN UY

ngay. Nlu khong dung dung vay

ma ddnh vi khudn nfla vfli (ngflng

khdng sinh qua sdm) thi vi khudn

se sing sot, chuyen dan thdnh

chung khdng thufl'c.

i^Ditng khdng sinh khong du

lieu, that thiidng:

Dung khang sinh cf mflt lieu

nha't dinh, tao ra ning dfl du

manh, on dinh mfl^i flc chl dupc vi

khuan lien tuc, tao dilu kien cho

CO thi tidu didt vi khudn. Dung lieu

thdp, khflng flc chl dupc vi khuan.

Dung du lieu hay dung lieu cao

nhung gifl khflng dflng khodng cdch

gifla cac lan dung, nong dfl khdng

sinh cfl luc du hay qud thfla song

cfl luc lai thap khflng du flc chl vi

khuan cung tao cd hfli dl vi khudn

sfl'ng sflt, gdy ndn khdng thulc.

6« Chi thick dung khdng sinh

mdi, manh:

Mli quan the vi khuan cfl thi

dap flng khdc nhau vdi mpt loai

khdng sinh.

Vi vdy, khi mflt khdng sinh hi

mpt vi khuan khdng d mflc trung

binh thi dieu chinh lilu thich hdp

Vdng vo khuan d dia petri ben trai rdng, chdng to vi khuan cdn nhay cam vdi

kh^ng smh thi^ nghiem. NgU0c laii. d dTa path bdn phai, vi khuin da de khang vdi

khang sinh. Nguon: cdc.gov C