Which is the best delivery device for a person starting on insulin?
It depends upon the amount one is willing to spend and the place where one would be taking insulin (office or home). One can choose between a vial and syringe and a temporary pen. Your doctor and the health care team will assist you regarding this.
If I use a particular insulin delivery device, will I be able to use another type as and when I want?
Certainly. Though the mode of delivery varies, the type of insulin and the dose required is generally the same