PharmacodynamicsXylazine HydrochlorideNws yog ib qho muaj zog 2 adrenergic receptor agonist nrog rau qhov tseem ceeb sedative, analgesic thiab cov leeg nqaij so. Txawm hais tias muaj ntau yam tshuaj muaj txiaj ntsig ntawm xylazine zoo ib yam li cov tshuaj morphine, nws tsis ua rau muaj kev ntxhov siab hauv nruab nrab tab sis ua rau muaj kev ntxhov siab thiab kev nyuaj siab tseem ceeb hauv miv, nees thiab nyuj. Cov nyhuv so ntawm cov leeg pob txha yog cuam tshuam nrog kev cuam tshuam ntawm cov hlab ntsha impulse conduction ntawm nruab nrab theem. Tom qab txhaj tshuaj intramuscular, nws tuaj yeem ua rau ntuav hauv miv thiab qee zaus hauv dev.
Cov teebmeem ntawmXylazine Hydrochloridenyob rau hauv lub plawv thiab ua pa systems yog variable. Cov ntshav siab ntawm cov tsiaj feem ntau nce pib tom qab kev tswj hwm, tab sis tom qab ntawd vim yog decompression reflex, cov ntshav siab poob rau lub sijhawm ntev, lub plawv dhia qeeb, thiab lub plawv dhia qeeb. Tsis tas li ntawd, cov tshuaj tuaj yeem txo cov kev xav ntawm kev xav, txhim kho cov hlab ntsha ntawm lub paj hlwb, thiab ua rau muaj salivation ntau dhau hauv ruminants. Qhov cuam tshuam ntawm kev ua pa yog qhov txo qis hauv kev ua pa. Nws kuj muaj qhov tshwj xeeb excitatory cuam tshuam rau uterine du nqaij, ua kom nruj ntawm bovine uterine nqaij thiab intrauterine siab. Nws yuav tsum tau siv nrog ceev faj hauv cov tsiaj nyeg cev xeeb tub.
Xylazine Hydrochlorideua ke nrog lub hauv nruab nrab lub paj hlwb kev nyuaj siab xws li chloral hydrate, thiopental sodium los yog pentobarbital sodium tuaj yeem txhim kho cov nyhuv inhibitory. Cov khoom no tuaj yeem txhim kho cov nyhuv analgesic ntawm ketamine, so cov leeg nqaij, thiab tiv thaiv cov lus teb excitatory ntawm nws lub hauv paus paj hlwb.
Cov nyuj yuav tsum yoo mov rau qee lub sijhawm ua ntej siv cov khoom no thiab txhaj tshuaj atropine; Thaum lub sijhawm ua haujlwm, lawv yuav tsum tau txais txoj haujlwm yooj yim thiab txo lawv lub taub hau kom tiv thaiv lub cev txawv teb chaws pneumonia thiab txo rumen flatulence thaum compressing lub plawv thiab lub ntsws. Yog tias raug tshuaj lom, nws tuaj yeem cawm tau los ntawm 2 receptor blockers thiab atropine.