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Waterhouse-Friderichsen syndrome

Fulminant meningococcemia - Waterhouse-Friderichsen syndrome; Fulminant meningococcal sepsis - Waterhouse-Friderichsen syndrome; Hemorrhagic adrenalitis

Waterhouse-Friderichsen syndrome (WFS) is a group of symptoms that occur when the adrenal glands fail to function normally. This is caused by bleeding into the glands.

Causes

The adrenal glands are two triangle-shaped glands. One gland is located on top of each kidney. The adrenal glands produce and release different hormones that the body needs to function normally. The adrenal glands can be affected by many diseases, such as infections like WFS.

WFS is caused by severe infection with meningococcus bacteria or other bacteria such as:

  • Group B streptococcus
  • Pseudomonas aeruginosa
  • Streptococcus pneumoniae
  • Staphylococcus aureus
Symptoms

Symptoms occur suddenly. They are due to the bacteria growing in large numbers inside the body. Symptoms include:

  • Fever and chills
  • Joint and muscle pain
  • Headache
  • Vomiting

The infection with bacteria causes bleeding throughout the body, which causes:

Bleeding into the adrenal glands makes the glands unable to produce enough adrenal hormones. This is called an adrenal crisis, and it leads to symptoms such as:

  • Dizziness, weakness
  • Very low blood pressure
  • Very fast heart rate
  • Confusion or coma
Exams and Tests

Your health care provider will perform a physical exam and ask about your symptoms.

Blood tests will be done to confirm a bacterial infection. Tests may include:

If your provider suspects the infection is caused by meningococcus bacteria, other tests that may be done include:

Tests that may be ordered to help diagnose acute adrenal crisis include:

Treatment

Antibiotics are started right away to treat the bacterial infection. Glucocorticoid medicines will also be given to treat adrenal gland insufficiency. Supportive treatments will be needed for other symptoms.

Outlook (Prognosis)

WFS is fatal unless treatment for the bacterial infection is started right away and glucocorticoid medicines are given.

Prevention

To reduce the risk of WFS caused by meningococcal bacteria, a vaccine against the bacteria is available.

Open References +

References

Auchus RJ, Flück Pandey CE. The adrenal cortex. In: Melmed S, Auchus RJ, Goldfine AB, Rosen CJ, Kopp PA, eds. Williams Textbook of Endocrinology. 15th ed. Philadelphia, PA: Elsevier; 2025:chap 13.

Stephens DS. Neisseria meningitidis. In: Blaser MJ, Cohen JI, Holland SM, et al, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 10th ed. Philadelphia, PA: Elsevier; 2026:chap 216.

Review Date: 8/5/2025

Reviewed By: Jatin M. Vyas, MD, PhD, Roy and Diana Vagelos Professor in Medicine, Columbia University Vagelos College of Physicians and Surgeons, Division of Infectious Diseases, Department of Medicine, New York, NY. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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