Catarrh is an inflammation of mucous membranes in one of the airways or cavities of the body.  It can result in a thick exudate of mucus and white blood cells.

Catarrh or catarrhal may also refer to:

• Catarrh, South Carolina, United States, a settlement
• Spring catarrh, a seasonal, warm-weather type of conjunctivitis (pink eye)
• Malignant catarrhal fever, a disease of cattle, sheep and other ruminants
• Catarrhal Noise, an Italian thrash metal band

This disambiguation page lists articles associated with the title Catarrh.
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