Did you know you can add to your existing IV vitamin therapy treatment? Yes, indeed you can! Maybe you know what extra vitamins your body needs to be add to your IV vitamin drip, if not, your nurse will ask and possibly recommend additional vitamins to help you feel, look and perform better! Below is a list of medicines that can either be added to your IV therapy (IV) or be given as an intramuscular shot (IM). When you are booking your appointment you can select which medicines you want added or you can tell your nurse when she arrives.