Home / Ask The Experts / We often need to give MMR vaccine to large adults. Is a 25-gauge needle with a length of 5/8″ sufficient for a subcutaneous injection?

MMR (Measles, Mumps, and Rubella)
Administering Vaccines

We often need to give MMR vaccine to large adults. Is a 25-gauge needle with a length of 5/8″ sufficient for a subcutaneous injection?

Yes. A 5/8″ needle is recommended for subcutaneous injections for people of all sizes. See Immunize.org’s clinical resource “How to Administer Intramuscular and Subcutaneous Vaccine Injections” at www.immunize.org/catg.d/p2020.pdf.

Last reviewed: June 19, 2023

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This page was updated on June 19, 2023.