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What is the Color of Saliva?

Published in Saliva Color 1 min read

Saliva is typically colorless or clear. While often described as colorless and thin, its appearance can vary slightly depending on several factors. For example, it can appear white and thick if you have an oral yeast infection (thrush). Morning saliva might appear yellowish due to accumulated secretions overnight. However, these variations are exceptions, and healthy saliva is generally clear.

Factors Affecting Saliva Appearance:

  • Hydration: Dehydration can make saliva appear thicker.
  • Oral Health: Infections like thrush can cause white, cloudy saliva.
  • Diet: Certain foods and drinks might temporarily alter saliva's appearance.
  • Time of Day: Accumulated secretions overnight can result in a yellowish tint in the morning.

Several sources confirm that saliva is primarily clear or colorless. One source describes saliva as a "colourless, opalescent fluid". Others note that while usually clear and thin, a white, thick appearance can indicate oral candidiasis (thrush). Yellowish saliva in the morning is also mentioned, possibly due to overnight secretions. One study even uses black to represent saliva in a fluorescence analysis, showcasing its neutral base color.

Note: This information pertains to the natural color of saliva. Changes in color could indicate underlying health issues and should be discussed with a healthcare professional.