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02:57

Losartan: How It Works, How to Take It, and Side Effects

Losartan is a medication used to lower blood pressure.

Lauren Smith, MACydnee Ng, PharmD
Written by Lauren Smith, MA | Reviewed by Cydnee Ng, PharmD, Alexandra Schwarz, MD
Updated on June 28, 2024

One option to treat high blood pressure is with a medication called losartan. This treatment may help by blocking hormones that raise blood pressure. Taking it as directed may improve your treatment outcomes.

Have more questions about how to take losartan? Talk to your pharmacist or your provider.

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Additional Medical Contributors
  • Alyssa Billingsley, PharmDAlyssa Billingsley, PharmD, is a pharmacist on the GoodRx team with a decade of experience. She is also an adjunct faculty at St. Louis College of Pharmacy, where she graduated with a doctorate in pharmacy. She is licensed to practice in Missouri and is a member of the National Council of Prescription Drug Programs (NCPDP) and the Healthcare Information and Management Systems Society (HIMSS). Prior to GoodRx, Alyssa worked in both clinical and administrative roles. She was recognized with the Distinguished Alumnus Outstanding Achievement Award in 2017 for her work in developing pharmacy programs to expand patient access to quality medications.

    References

    Armstrong, C. (2014). JNC 8 guidelines for the management of hypertension in adults. American Family Physician.

    Brar, S., et al. (2018). Association of angiotensin-converting enzyme inhibitor or angiotensin receptor blocker use with outcomes after acute kidney injury. JAMA Internal Medicine.

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    Helmer, A., et al. (2018). A review of ACE inhibitors and ARBs in Black patients with hypertension. The Annals of Pharmacotherapy.

    Hill, R. D., et al. (2023). Angiotensin II receptor blockers (ARB). StatPearls.

    Kobori, H., et al. (2013). Angiotensin II blockade and renal protection. Current Pharmaceutical Design.

    Mulla, S., et al. (2024). Losartan. StatPearls.

    National Kidney Foundation. (n.d.). Facts about high potassium in patients with kidney disease.

    Organon LLC. (2022). COZAAR- losartan potassium tablet, film coated [package insert]. DailyMed.

    Patel, P., et al. (2023). Angiotensin II. StatPearls.

    Spence, J. D., et al. (2018). Hypertension in Blacks: Individualized therapy based on renin/aldosterone phenotyping. Hypertension.

    Unger, T., et al. (2020). 2020 International Society of Hypertension Global Hypertension Practice Guidelines. Hypertension.

    You and Your Hormones. (2021). Aldosterone. The Society for Endocrinology.

    You and Your Hormones. (2019). Angiotensin. The Society for Endocrinology.

    GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Learn more about how we ensure our content is accurate, thorough, and unbiased by reading our editorial guidelines.

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