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Condition

Acute Febrile Neutrophilic Dermatosis

Symptoms, Doctors, Treatments, Research & More

Condition 101

What is the definition of Acute Febrile Neutrophilic Dermatosis?

Acute febrile neutrophilic dermatosis is a skin condition characterized by fever, inflammation of the joints (arthritis), and painful skin lesions that appear mainly on the face, neck, back and arms. Although middle-aged women are most likely to develop this condition,&nbs ...

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What are the alternative names for Acute Febrile Neutrophilic Dermatosis?

  • Sweet syndrome
  • SS
  • Neutrophilic dermatosis, acute febrile
  • Gomm Button disease

What are the causes for Acute Febrile Neutrophilic Dermatosis?

In many cases, the cause of acute febrile neutrophilic dermatosis is unknown (idiopathic). But sometimes, it can be a sign of an immune system response to one of the following:
  • An upper respiratory tract infection, such as a chest infection or strep throat
  • Blood disorders, especially acute myelogenous leukemia, a cancer of the blood and bone marrow
  • Inflammatory bowel disease, such as ulcerative colitis or Crohn's disease
  • Bowel or breast cancer
  • Pregnancy
  • Rheumatoid arthritis
  • An injury at the site where the rash appears, such as an insect bite or needle prick
  • Certain medications, including nonsteroidal anti-inflammatory drugs (NSAIDs)

What are the symptoms for Acute Febrile Neutrophilic Dermatosis?

The most obvious signs of acute febrile neutrophilic dermatosis are distinctive skin lesions that usually develop according to a specific pattern. Typically, a series of small red bumps appear suddenly on the back, neck, arms and face, often after a fever or upper respiratory infection. The bumps grow quickly in size, spreading into clusters called plaques that may be a centimeter in diameter or larger. The eruptions are tender or painful and may develop blisters, pustules or even ulcers. Lesions may persist for weeks to months and then disappear on their own, without medication. With medical treatment, the skin lesions may resolve in just a few days.

Other signs and symptoms of acute febrile neutrophilic dermatosis may include:
  • Moderate to high fever
  • Pink eye (conjunctivitis) or sore eyes
  • Tiredness
  • Aching joints and headache
  • Mouth ulcers
  • Headache
Sometimes other areas of the body are affected, such as the bones, nervous system, kidneys, intestines, liver, heart , lungs, muscles, and spleen.

What are the current treatments for Acute Febrile Neutrophilic Dermatosis?

Left untreated, acute febrile neutrophilic dermatosis not associated with a more serious condition may disappear on its own within one to three months. Medications, such as corticosteroids (prednisone or prednisolone), can improve skin lesions and associated symptoms in just two or three days, with the worst of the lesions disappearing within one to four weeks. Doctors usually prescribe systemic corticosteroids (which are taken by mouth) to treat this condition. These medications reduce redness, itching, swelling and allergic reactions.

If an underlying cause can be identified, it should be treated (i.e. surgical removal of solid tumors, treatment of infections, or discontinuation of medications). Successful therapy of the underlying disorder may promote resolution of acute febrile neutrophilic dermatosis and prevent recurrences.

With or without treatment, the lesions rarely leave a mark or scar when they eventually disappear. Even after the lesions have resolved, treatment may continue, as recurrence of the condition is common.

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