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Biologics

How Biologics and Biosimilars Are Administered: Understanding Infusions and Types of Injections

Biologics are usually given by injection or infusion.

Lauren Smith, MASanjai Sinha, MD
Written by Lauren Smith, MA | Reviewed by Sanjai Sinha, MD
Updated on November 11, 2025
Featuring Alyssa Billingsley, PharmD, Stacia Woodcock, PharmDReviewed by Sanjai Sinha, MD | November 11, 2025

You might think of an oral pill when you think of medications. Biologics and biosimilars are medications that are typically administered by an infusion (IV) or injection.

In this video, learn how biologics and biosimilars are administered, according to Stacia Woodcock, PharmD, Pharmacy Editor at GoodRx, and Alyssa Billingsley, PharmD, Director of Pharmacy Content at GoodRx.

References

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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