Why you should read this article:

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To enhance your understanding of the role, location, distribution, homeostasis and transport of water in the body

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To increase your awareness of the challenges of identifying patients who are dehydrated or at risk of dehydration

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To improve your knowledge of the different solutions used for fluid therapy

This article examines the role of water in the body, the balance of fluids in the body and the provision of intravenous (IV) fluids to patients who are dehydrated, providing a comprehensive overview of these topics for nurses. The author details various aspects of practice in IV fluid therapy, including the types of fluids used, their indications, administration and potential side effects. The article also discusses dehydration and how nurses can identify and treat this complication, which can occur as a result of many different conditions. Drawing on the relevant research, this article aims to advance nurses’ knowledge of the care of patients who are dehydrated and require IV fluid therapy.