Mucous cysts are pseudocysts (cystic structures lacking a true lining) that usually appear on the middle or index finger of the dominant hand; toe involvement is uncommon. Although most mucous cysts ...

Cystic fibrosis (CF) is an inherited condition characterized by abnormal, highly adherent viscous mucus. The mucus favors intractable infections in the lungs, typically with Pseudomonas aeruginosa but ...

Verruca vulgaris (VV), or the common wart, is a benign growth of the skin or mucous membranes. VV lesions present as firm, hyperkeratotic, raised lesions with a rough or cauliflower-like surface. They ...

I am 22 years old and have had trouble with a cyst on my tailbone for years. Once or twice a year the cyst begins to hurt, and then opens up and drains spontaneously. Should I see my doctor about this ...

Your body naturally makes mucus to protect organs like lungs and eyes. But infections, allergies and pollution can boost mucus production. Know what it does, when to worry and how to ease discomfort.