Abstract: A autoinjector type syringe apparatus is provided for injecting a liquid medicine or like into a patient. The apparatus includes a housing that is of two parts including a transversely extending upper housing and a downwardly extending vertically oriented lower housing. A syringe barrel is supported by the housing and has an interior for holding a liquid medicament for being dispensed. A piston is slidably disposed within the interior of the syringe barrel for injecting the medicament from the barrel, the piston being movable between retracting and dispensing positions. A cam member supported by the housing for operating the piston to move between retractive and dispensing positions, the cam being movable between loaded and dispensing positions. The housing includes an upper transversely extending section with an external surface and a cocking mechanism that includes an externally positioned handle that slides on the outer surface of the upper portion of the housing.