In one prospective study, the median time to onset of envenomation was 28 minutes, with only two cases having onset after 2 hours (both had pressure immobilisation bandages applied).
在一项预期研究中，毒液螫入的中位时间为28分钟，只有两例在两小时后发作（两例中都使用了压力固定绷带）。