Is the antecubital region a proper place to insert new iv after forearm on same arm has been infiltrated?

Yes, the antecubital region can be a proper place to insert a new IV after forearm on the same arm has been infiltrated. This is because the antecubital region is a more proximal location and has a higher concentration of potential veins for IV access. The antecubital region also has a lower risk of complications associated with IV placement.