Stephen J. Schueler, M.D.

Overview Symptoms cutaneous anthrax inhalational anthrax intestinal anthrax Evaluation Treatment drugs Warning Signs Prevention vaccine Outlook Underlying Cause types Transmission

Pulmonary Anthrax Symptoms

Symptoms of anthrax depend on the location of the infection:

  • Inhalational anthrax:
    • Causes respiratory symptoms
  • Intestinal anthrax:
    • Causes gastrointestinal symptoms
  • Cutaneous anthrax:
    • Causes skin symptoms

Inhalational anthrax
Inhalational anthrax usually starts with flu-like symptoms about one week after breathing the spores. However, the onset of symptoms can take as long as two months.

Early symptoms of inhalational anthrax may include:

Later symptoms of inhalational anthrax may include:

Intestinal anthrax
Symptoms from ingested anthrax usually start 2-5 days after eating infected animal meat. When the bacteria infect the throat, a severe sore throat occurs first. This is followed by a high fever and swelling of the neck. The infection may also spread to the intestines.

Symptoms of intestinal anthrax include:

Cutaneous anthrax
Symptoms of cutaneous anthrax include:

Pulmonary Anthrax Cutaneous Anthrax

Pulmonary Anthrax Inhalational Anthrax

Inhalational anthrax usually starts with flu-like symptoms about one week after breathing the spores. However, the onset of symptoms can take as long as two months.

Early symptoms of inhalational anthrax may include:


Later symptoms of inhalational anthrax may include:

Pulmonary Anthrax Intestinal Anthrax

Symptoms from ingested anthrax usually start 2-5 days after eating infected animal meat. When the bacteria infect the throat, a severe sore throat occurs first. This is followed by a high fever and swelling of the neck. The infection may also spread to the intestines.

Symptoms of intestinal anthrax include:

Continue to Pulmonary Anthrax Evaluation

Last Updated: Nov 16, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Pulmonary Anthrax References
  1. Cuneo BM. Inhalational anthrax. Respir Care Clin N Am. 2004 Mar;10(1):75-82. [15062228]
  2. Kalamas AG. Anthrax. Anesthesiol Clin North America. 2004 Sep;22(3):533-40, vii. [15325717]
  3. Reissman DB, Whitney EA, Taylor TH Jr, Hayslett JA, Dull PM, Arias I, Ashford DA, Bresnitz EA, Tan C, Rosenstein N, Perkins BA. One-year health assessment of adult survivors of Bacillus anthracis infection. JAMA. 2004 Apr 28;291(16):1994-8. [15113818]
  4. Wenner KA, Kenner JR. Anthrax. Dermatol Clin. 2004 Jul;22(3):247-56, v. [15207306]
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