Friday, February, 10, 2012

Histoplasmosis

Table of Contents

Alternative Names

Ohio River Valley fever


Symptoms

Symptoms depend on the type of infection:

  • Acute asymptomatic pulmonary (lung) histoplasmosis -- no symptoms
  • Acute symptomatic pulmonary histoplasmosis:
    • Fever
    • Chills
    • Cough
    • Chest pain when breathing in
  • Chronic pulmonary histoplasmosis:
    • Chest pain
    • Cough, possibly coughing up blood
    • Fever
    • Shortness of breath
    • Sweating
  • Disseminated histoplasmosis:
    • Fevers
    • Headache
    • Neck stiffness
    • Mouth sores
    • Skin lesions
  • Other histoplasma symptoms:
    • Joint pain
    • Rashes
    • Skin nodules (red lumps called erythema nodosum), most often on the lower legs

Signs and tests

How histoplasmosis is diagnosed depends on the body parts involved. Tests that may be done include:

  • Skin biopsy
  • Blood, urine, or sputum tests to look for signs of histoplasmosis infection
  • Chest CT scan
  • Chest x-ray
  • Spinal tap to look for signs of infection in cerbrospinal fluid (CSF)


Review Date: 09/23/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Instructor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)