 it was narrated that omar bin abdul aziz appointed alwalid bin hisham over altaif and provided him with the antidote and ordered him to give it to drink to whoever was bitten from among the muslims. ibn omar used to drink the antidote and saw no harm in it.
وروي أن عمر بن عبد العزيز استعمل الوليد بن هشام على الطائف وزوده الترياق وأمره أن يسقيه لمن لدغ من المسلمين. وكان ابن عمر الترياق ولا يرى به بأسا.