An antenna, in particular for a hearing aid, for wireless radio communication, comprising a coil core which extends along a longitudinal direction and carries a number of windings, and comprising a planar first shield that is located on an end face of the coil core and is made of a ferrimagnetic and/or ferromagnetic material. The first shield extends at an angle to the longitudinal direction of the coil core. The invention further relates to a method for manufacturing an antenna as well as to a hearing aid comprising an antenna.