Clinical Hydration Resources for Cold and Flu Season

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October 23, 2026

Cold and flu symptoms can make it more challenging for patients to maintain hydration. Sweating from fever, vomiting and diarrhea can contribute to fluid and electrolyte loss, while fatigue, nausea and loss of appetite may make it more difficult to consume enough fluids.

For physician associates supporting patients during cold and flu season, understanding the science of hydration and the factors that influence fluid and electrolyte replacement can help inform patient education and hydration conversations. Beverage composition matters — including the balance of carbohydrates, electrolytes, and flavor — when patients are experiencing fluid and electrolyte losses during illness.

Gatorade has clinical hydration resources that provide evidence-based information and practical tools to support patient conversations about hydration, fluid and electrolyte replacement, and beverage selection. Resources include:

The Science of Hydration During Periods of Illness: Explore factors that may contribute to fluid and electrolyte loss during illness, including sweating from fever, vomiting, and diarrhea. This resource also provides practical considerations to help patients maintain their hydration status.

The Science of Hydration: Revisit the fluid replacement process, from oral consumption and gastrointestinal absorption to distribution, retention, and excretion. This resource also reviews the role of fluids and electrolytes in supporting hydration and normal bodily functions.

Functional Ingredients in Gatorlyte®: Take a closer look at the formulation behind Gatorlyte, including its specialized blend of 5 electrolytes: sodium, potassium, chloride, magnesium, and calcium. Gatorlyte is formulated for rapid rehydration with approximately 3% carbs to speed up gastric emptying* and delivery to the small intestine to promote fluid absorption.

Explore the clinical hydration resources

*compared to plain water