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Tolvaptan (Samsca)

Tolvaptan (Samsca) Dosage

Robert Chad Hakim, PharmD, BCCCPKristianne Hannemann, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Kristianne Hannemann, PharmD
Last reviewed on June 9, 2023

Typical dosage for Tolvaptan (Samsca)

The typical starting dose is 15 mg by mouth once per day. Your provider might slowly raise the dose to up to 60 mg once per day, depending on how your blood sodium levels respond to the medication and if you're having side effects. The maximum duration of treatment is 30 days.

Your provider will start Tolvaptan (Samsca) while you're in the hospital so they can monitor your blood sodium levels.

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Why trust our experts?

Robert Chad Hakim, PharmD, BCCCP, started his full-time career as a clinical pharmacist at UCLA Health in the general medicine, general cardiology, and ICU units after completing residency in 2016. He also was the preceptor for the general medicine rotation from 2017 to 2021, which was a required rotation for all pharmacy residents.
Kristianne Hannemann, PharmD, is a licensed pharmacist in California. She has been a retail pharmacy manager and staff pharmacist for over 7 years and has contributed drug information content to different health companies.

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