Can Salmonella infection cause hypernatremia?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: June 7, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

Salmonella infection can cause hypernatremia, primarily through dehydration resulting from severe diarrhea and vomiting, which leads to an imbalance in fluid and electrolyte levels. This condition is a concern in patients with Salmonella gastroenteritis, as it can lead to serious complications if not properly managed. According to the 2017 Infectious Diseases Society of America clinical practice guidelines for the diagnosis and management of infectious diarrhea 1, reassessment of fluid and electrolyte balance is recommended in people with persistent symptoms, which supports the need to monitor and correct electrolyte imbalances such as hypernatremia in patients with Salmonella infections.

Key points to consider in the management of hypernatremia due to Salmonella infection include:

  • The importance of addressing both the underlying infection and the electrolyte imbalance
  • The use of supportive care, such as fluid replacement, as the primary treatment approach
  • The need for gradual correction of hypernatremia to prevent cerebral edema, typically no faster than 10 mEq/L per 24 hours
  • The vulnerability of certain populations, such as infants, elderly individuals, and those with compromised immune systems, to developing hypernatremia during Salmonella infections

In clinical practice, it is essential to prioritize the correction of fluid and electrolyte imbalances, including hypernatremia, in patients with Salmonella infections, as highlighted in the guidelines 1. This approach helps to prevent complications and improve patient outcomes, focusing on morbidity, mortality, and quality of life.

From the Research

Salmonella Infection and Hypernatremia

  • Salmonella infection is a major cause of gastroenteritis in humans, leading to symptoms such as diarrhea, vomiting, and dehydration 2, 3, 4.
  • Dehydration, a common complication of Salmonella infection, can disrupt the balance of fluids and electrolytes in the body, including sodium levels 5.
  • Hypernatremia, a condition characterized by elevated sodium levels in the blood, can occur as a result of dehydration, especially if the dehydration is severe and not properly managed 6, 5.
  • While the provided studies do not directly address the relationship between Salmonella infection and hypernatremia, they suggest that dehydration caused by Salmonella infection can lead to electrolyte imbalances, including hypernatremia 6, 2, 3, 4, 5.

Key Considerations

  • The prevention and control of Salmonella infection are crucial to reducing the risk of dehydration and subsequent electrolyte imbalances, including hypernatremia 2, 3, 4.
  • Understanding the pathogenesis and transmission dynamics of Salmonella infection can inform strategies for preventing and controlling the spread of the disease 2, 3.
  • Nurses play a critical role in identifying and treating dehydration, as well as providing intravenous fluid therapy to patients who require it 5.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Understanding body fluid balance, dehydration and intravenous fluid therapy.

Emergency nurse : the journal of the RCN Accident and Emergency Nursing Association, 2025

Research

Fluid and Electrolyte Imbalances: Interpretation and Assessment.

Journal of infusion nursing : the official publication of the Infusion Nurses Society, 2016

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.