"This is especially true when they are performed on people who have pain only in their lower back or another type of pain that will not likely be helped by an epidural steroid injection.

You should rotate these injection sites on your skin each ... Syringes vary by the amount of insulin they hold and the size of the needle. They’re made of plastic and should be discarded after ...

High viscosity solutions, however, pose new challenges both at the technical level—for example, with respect to needle size and the force needed to administer the injection—and at the patient ...