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Multiple Sclerosis

3 Most Common Types of Multiple Sclerosis, Defined by a Neurologist

The MS subtype you have may affect which treatment is right for you.

Lauren Smith, MAMandy Armitage, MD
Written by Lauren Smith, MA | Reviewed by Mandy Armitage, MD
Updated on August 5, 2025
Featuring Asaff Harel, MDReviewed by Mandy Armitage, MD | August 5, 2025

Multiple sclerosis (MS) can look very different from one person to another. There are different types of MS, including:

  • Relapsing-remitting MS

  • Primary progressive MS

  • Secondary progressive MS

Find out what makes these MS subtypes different, according to Asaff Harel, MD, Neurologist at Lenox Hill Hospital, Northwell Health.

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.
Mandy Armitage, MD
Reviewed by:
Mandy Armitage, MD
Mandy Armitage, MD, has combined clinical medicine with her passion for education and content development for many years. She served as medical director for the health technology companies HealthLoop (now Get Well) and Doximity.

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