The disclosure is directed a device and related methods for guiding medical injections. The device generally includes a disc portion and a handle portion extending therefrom. The disc extends from an aperture to a periphery, wherein dimensions of the aperture and periphery are selected to be useful for medical and cosmetic injections, such as administration of botulinum toxin and other applications. The device is used to identify and mark injection sites thereby planning the procedure and guiding the physician during administration of the injections.
