You can buy it at pharmacies throughout ... sold without a prescription. If your OTC insulin comes in a vial, you will need to purchase syringes to measure and administer the medicine.

Syringes aren’t just for diabetic patients who need to self-administer insulin. In addition to the clinical and pharmacy setting, patients use them at home for IVF, pet insulin, allergy ...

Study design. This prospective, randomized, controlled, parallel-group study compared the use of pen devices with conventional vials and syringes for the administration of insulin in hospitalized ...

In this study, significantly more patients in the insulin pen group prepared and self-injected at least one dose of insulin compared with the vial and syringe group. Patients with newly diagnosed ...