Abstract: A case assembly is provided having a mobile phone case and storage case that is designed to securely hold a mobile phone and an epinephrine injection pen concurrently. The case assembly includes the mobile phone case which is configured to securely contain a mobile phone therein. The mobile phone case includes a viewing region which allows an operator to view a screen of the mobile phone. The storage case is coupled to the mobile phone case and is configured to securely contain and allow access to an epinephrine injector pen. The mobile phone case is selectively moveable relative to the storage case between an open position and a closed position. The opening in the storage case is covered when the mobile phone case is in the closed position, and the opening in the storage case is open when the mobile phone case is in the open position.