Load hollow-point into revolver. Make peace with your maker. Place against temple. Pull trigger slowly.
There IS NO CURE for an infectious zombie bite...
creat a turnikit( dont know if i spelled that right) to stop blood flow, take a drink of luqiud curage and chop it off then pray to your god that u wont change
The only logical thing would probably be an immediate amputation before the infection spreads.
Realistically, an infection would take a while to spread, so perhaps if done as soon as possible, the spread could be prevented with amputation and the person might live.