Skip to Content

Label Changes for:

Samsca (tolvaptan) Tablets 

February 2014

Changes have been made to the CONTRAINDICATIONS and ADVERSE REACTIONS sections of the safety label.

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) 


February 2014


4.6 Hypersensitivity…section added


Postmarketing Experience
  • Immune System Disorders: Hypersensitivity reactions including anaphylactic shock and rash generalized [see Contraindications (4.6)].


Who should not take Samsca?, the following bullet was added:

  • you are allergic to tolvaptan or any of the ingredients in SAMSCA. See the end of this Medication Guide for a complete list of ingredients in SAMSCA.


May 2013


'liver disease' term deleted from following text:

  • SAMSCA is a prescription medicine used to help increase low sodium levels in the blood, in adults with conditions such as heart failure and certain hormone imbalances. SAMSCA helps raise salt levels in your blood by removing extra body water as urine.It is not known if SAMSCA is safe or works in children.



April 2013



  • Liver Injury - Samsca can cause serious and potentially fatal liver injury. In a placebo-controlled and open label extension study of chronically administered tolvaptan in patients with autosomal dominant polycystic kidney disease, cases of serious liver injury attributed to tolvaptan were observed‚Ķ