Mucormycosis: Symptoms & Signs

Medically Reviewed on 5/18/2021

Mucormycosis is a fungal infection caused by fungi of the class Zygomycetes. These fungal infections are not common and most frequently occur in people with another form of debilitating illness. Examples of conditions that can predispose a person to developing mucormycosis include poorly controlled diabetes, decreased immune function due to any cause, and burns or severe wounds.

Symptoms and signs of the condition can vary according to the part of the body that is infected and can include

Forms of mucormycosis include rhinocerebral mucormycosis, disseminated mucormycosis, pulmonary or lung mucormycosis, cutaneous (skin) mucormycosis, renal (kidney) mucormycosis, and gastrointestinal mucormycosis. The condition is fatal in about 50% of cases.

Cause of mucormycosis

Most mucormycosis infections are caused by one family member in the class of Zygomycetes (family member Mucoraceae), so the term mucormycosis instead of zygomycosis is often used. The fungi are found worldwide in soil and water. Rhizopus arrhizus species from the Mucoraceae family are the most commonly identified cause of mucormycosis in humans. Other fungal causes may include the Mucor species, Cunninghamella bertholletia, Apophysomyces elegans, Absidia species, Saksenaea species, Rhizomucor pusillus, Entomophthora species, Conidiobolus species, and Basidiobolus species.

Other mucormycosis symptoms and signs

  • Abdominal Distension
  • Abdominal Pain
  • Bloody Sputum
  • Bloody Vomit
  • Coma
  • Cough
  • Dark Scabbing in the Nose
  • Eye Swelling
  • Facial Pain
  • Facial Swelling
  • Fever
  • Flank Pain
  • Headache
  • Mental Status Changes
  • Shortness of Breath
  • Skin Blisters
  • Skin Redness
  • Skin Swelling
  • Skin Ulceration
  • Swelling Over the Nose
  • Visual Problems
  • Vomiting


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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.