Cialis, uas nws lub npe hu ua Tadalafil, yog cov tshuaj siv los kho erectile kawg (ED) rau cov txiv neej, zoo li Viagra (Sildenafil). Nws ua haujlwm los ntawm kev ua kom cov ntshav ntws mus rau qhov chaw mos, tso cai rau cov txiv neej kom ua tiav thiab tswj kev erection thaum sib deev aroused. Nov yog li cas Cialis pab txiv neej lub cev:
Relaxation of Blood Vessels: Cialis kuj yog phosphodiesterase type 5 (PDE-5) inhibitor, zoo ib yam li Viagra. Nws ua haujlwm los ntawm inhibiting cov enzyme PDE-5. Thaum ib tug txiv neej los ua kev sib deev aroused, nitric oxide tso rau hauv lub cev, ua rau zus tau tej cov cyclic guanosine monophosphate (cGMP). cGMP yog lub luag haujlwm rau kev so cov leeg nqaij leeg hauv cov hlab ntsha ntawm qhov chaw mos. Los ntawm inhibiting PDE-5, Cialis pab tswj qib siab dua ntawm cGMP, uas, dhau los, ua rau cov hlab ntsha hauv qhov chaw mos kom so thiab nthuav dav.
Ua kom ntshav ntws: Raws li cov hlab ntsha hauv qhov chaw mos so thiab nthuav dav, lawv tso cai rau cov ntshav ntau ntxiv rau hauv cov ntaub so ntswg. Qhov no nce ntshav txaus ua rau engorgement thiab rigidity ntawm noov, ua rau erection.
Erection Maintenance: Cialis, zoo ib yam li Viagra, tsis ncaj qha induce erection tab sis pab lub ntuj txheej txheem ntawm kev ua tiav erection thaum sib deev arousal tshwm sim. Nws pab txhawb kev erection los ntawm kev tiv thaiv kev ua txhaum ntawm cGMP, uas ua rau lub sijhawm so ntawm cov hlab ntsha hauv qhov chaw mos, tso cai rau erection mus txuas ntxiv mus thoob plaws kev sib deev.
Ib qho tseem ceeb sib txawv ntawm Cialis thiab Viagra yog lub sijhawm ua haujlwm. Cialis feem ntau hu ua "cov ntsiav tshuaj hnub so" vim tias nws cov teebmeem tuaj yeem kav ntev txog 36 teev, thaum Viagra feem ntau kav ntev li ntawm 4-6 teev. Qhov kev ncua ntev no tso cai rau kev hloov pauv ntau dua hauv kev xaiv lub sijhawm ntawm kev sib deev.
