Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Citrus fruits, such as lemons, limes, and oranges, have been traditionally used to support hydration and treat mild dehydration, particularly in the context of oral rehydration solutions and home remedies. The rationale is based on their high water content, palatable flavor, and presence of vitamin C and some electrolytes, which can encourage fluid intake and improve taste, making it easier for individuals (especially children) to consume adequate fluids. In many cultures, citrus juices are added to water or oral rehydration solutions to enhance flavor and compliance.

However, the scientific evidence specifically supporting citrus fruits as a unique or primary treatment for dehydration is limited. While citrus juices do contain small amounts of potassium and other electrolytes, they are not significant sources of sodium, the key electrolyte required in rehydration. Modern oral rehydration therapy (ORT) relies on a precise balance of sodium, glucose, and water, as recommended by the World Health Organization (WHO). Citrus juices can be a component of homemade rehydration solutions, but on their own, they lack the sodium concentration needed to effectively treat moderate or severe dehydration. In summary, while citrus is traditionally used as an adjunct for supporting hydration, scientific validation for its use as a primary treatment for dehydration is limited, and it should not replace evidence-based rehydration therapies.

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