The comprehensive guide : Sweet's syndrome

Sweet's syndrome: Question and Answer


Sweet's syndrome, also known as acute febrile neutrophilic dermatosis, is a rare and enigmatic condition that can significantly impact an individual's quality of life. Characterized by painful skin lesions and systemic symptoms, Sweet's syndrome poses unique challenges for both patients and healthcare providers. In this comprehensive article, we will delve into the various aspects of Sweet's syndrome, including its classification, prevalence, medical professionals involved in its treatment, treatment options, and the essential post-treatment follow-up care.

1. Is Acute Sweet's Syndrome?

Sweet's syndrome, originally described by Dr. Robert Douglas Sweet in 1964, is a dermatological disorder characterized by painful, raised, and often reddish or bluish skin lesions. These skin lesions, referred to as papules or plaques, typically appear on the arms, neck, face, and trunk. Sweet's syndrome is classified into two distinct forms:

  • a) Classic Sweet's Syndrome: This is the most common form of the condition and typically presents with sudden-onset skin lesions, often accompanied by fever and other systemic symptoms. It can be triggered by various underlying conditions or may occur without an identifiable cause, known as idiopathic Sweet's syndrome.

  • b) Drug-Induced Sweet's Syndrome: Some medications, such as certain antibiotics and granulocyte colony-stimulating factor (G-CSF), can induce Sweet's syndrome in susceptible individuals. Discontinuing the causative drug often leads to symptom resolution.

2. How Common is Sweet's Syndrome?

Sweet's syndrome is considered a rare condition, affecting an estimated 3 to 4 individuals per million people each year. However, it is important to note that Sweet's syndrome can occur in individuals of all ages, races, and genders, with a slightly higher prevalence in women. The condition may be underdiagnosed due to its rarity and variable clinical presentation, making it essential for healthcare professionals to have a high degree of suspicion when evaluating patients with compatible symptoms.

3. Who Are the Doctors Who Treat Sweet's Syndrome?

The management of Sweet's syndrome typically involves a multidisciplinary approach, as it often presents with both dermatological and systemic manifestations. Medical professionals involved in the diagnosis and treatment of Sweet's syndrome include:

  • a) Dermatologists: Dermatologists are often the first healthcare professionals to assess and diagnose Sweet's syndrome, as the condition primarily manifests as skin lesions. They play a crucial role in confirming the diagnosis and initiating treatment.

  • b) Rheumatologists: In cases of Sweet's syndrome associated with underlying autoimmune conditions, rheumatologists may be consulted to manage the systemic aspects of the disease.

  • c) Hematologists/Oncologists: Sweet's syndrome can sometimes occur in association with hematological malignancies such as leukemia. Hematologists/oncologists are essential for diagnosing and treating these underlying conditions.

  • d) General Practitioners: Primary care physicians are often the first point of contact for patients experiencing symptoms of Sweet's syndrome. They play a critical role in referring patients to specialists and coordinating their care.

4. What is the Drug of Choice for Sweet's Syndrome?

The treatment of Sweet's syndrome primarily depends on its underlying cause and the severity of symptoms. The drug of choice for managing Sweet's syndrome is corticosteroids, such as prednisone. These medications effectively reduce inflammation and help alleviate symptoms. The dosage and duration of corticosteroid treatment are tailored to each patient's individual needs and response to therapy.

In cases of drug-induced Sweet's syndrome, the discontinuation of the offending medication is essential. Once the causative drug is removed, many patients experience symptom resolution without the need for additional treatment.

For individuals with severe or refractory Sweet's syndrome, other immunosuppressive agents, such as colchicine, cyclosporine, or dapsone, may be considered. These medications are typically prescribed under the guidance of a specialist and require close monitoring for potential side effects.

5. What Post-Treatment Follow-Up Is Needed?

After the initiation of treatment, close monitoring and follow-up care are crucial for individuals with Sweet's syndrome. Here are some key aspects of post-treatment follow-up:

  • a) Monitoring Skin Lesions: Dermatologists should regularly assess the progress of skin lesions to ensure they are improving and not worsening. Any new or worsening symptoms should be reported promptly.

  • b) Blood Tests: In cases of underlying conditions, regular blood tests may be necessary to monitor disease activity and the response to treatment. Hematological malignancies, if present, may require specialized oncology care.

  • c) Corticosteroid Tapering: For patients on corticosteroids, a gradual tapering of the medication may be necessary to prevent relapse and minimize potential side effects. This should be done under medical supervision.

  • d) Long-Term Management: Some individuals with Sweet's syndrome may require ongoing treatment or long-term management, particularly if the condition is associated with an underlying autoimmune or hematological disorder.

  • e) Patient Education: Patients should be educated about the signs and symptoms of Sweet's syndrome, as well as the importance of promptly reporting any changes in their condition to their healthcare provider.


Sweet's syndrome is a rare and complex dermatological condition that can have a significant impact on a person's life. It requires a multidisciplinary approach involving dermatologists, rheumatologists, hematologists/oncologists, and primary care physicians to provide comprehensive care. The drug of choice for treating Sweet's syndrome is corticosteroids, with other immunosuppressive agents considered in severe or refractory cases. Post-treatment follow-up is essential to monitor progress, manage underlying conditions, and ensure the best possible outcomes for individuals living with Sweet's syndrome. With proper medical care and support, many patients can achieve symptom relief and enjoy an improved quality of life.

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