First treatment for snake bite is

First aid* Reassurance* Limit systemic spread of venom by immobilizing the affected pa (e.g. limb)* A proximal lymphatic-occlusion constriction band may limit the spread of venom if applied within 30 minutes. It should be applied such that it does not prevent aerial flow of blood and the distal pulsation should be appreciatedREF: THE SYNOPSIS OF FORENSIC MEDICINE:KS NARAYANA REDDY; 28th EDITION; PAGE NO 322