A fine needle dosing adaptor for dosing a fine needle syringe from a multi-dose vial has an adaptor body with an upper portion and a neck portion adapted to fit snugly within the neck of the multi-dose vial. A bore is centrally disposed within an upper portion of the adaptor body and has a diameter adapted to receive the hub of the fine needle syringe with a snug fit.An inverted funnel-shaped opening is centrally disposed within the neck portion of the adaptor body and needle chamber extends between the bore and the inverted funnel-shaped opening. The diameter of the needle chamber is slightly larger than an outer diameter of the needle and the length of the needle chamber is shorter than a length of the needle.
