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An insulin syringe has three parts: a needle, a barrel, and
Insulin syringes are made in several sizes.
1/4 mL or 0.25
1/3 mL or 0.33
1/2 mL or 0.50
Use the smallest syringe size you can for the dose of
insulin you need. The measuring lines on the barrel of small syringes are
farther apart and easier to see. When you choose the size of syringe, consider
the number of units you need to give and how well you can see the markings on
July 19, 2011
E. Gregory Thompson, MD - Internal Medicine & Rhonda O'Brien, MS, RD, CDE - Certified Diabetes Educator
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