Mucopus

An inflammatory fluid emission consisting of mucus mixed with pus, reflecting neutrophil-rich inflammation and typically indicating infection or inflammatory irritation of a mucous membrane or ductal epithelium.

Causes

• Respiratory tract

  • Sinusitis

  • Bronchitis

  • Pneumonia

  • Common cold and other upper respiratory infections

  • Chronic airway inflammation with secondary infection

• Ophthalmologic causes

  • Bacterial conjunctivitis

  • Dacryocystitis

  • Lacrimal drainage system infection or obstruction with inflammation

• Gynecological and genitourinary causes

  • Pelvic inflammatory disease (PID)

  • Chlamydia trachomatis infection

  • Neisseria gonorrhoeae infection

  • Cervicitis

  • Vaginitis with mucopurulent discharge

• Noninfectious inflammatory causes

  • Chemical irritation

  • Autoimmune or inflammatory disorders affecting mucosal surfaces

  • Chronic irritation of ductal epithelium