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Sweet's syndrome : Causes, Types, Symptoms, Diagnosis ,Treatment , Risk factors , Complications , Prevention

 What Is Sweet's Syndrome?

Sweet's syndrome (the eponym for acute febrile neutrophilic dermatosis) is characterized by means of a constellation of clinical signs and symptoms, bodily capabilities, and pathologic findings which consist of fever, neutrophilia, smooth erythematous pores and skin lesions (papules, nodules, and plaques), and a diffuse infiltrate consisting predominantly of mature neutrophils that are commonly placed in the upper dermis. Several instances of Sweet's syndrome have been published. Sweet's syndrome is offered in three medical settings: classical (or idiopathic), malignancy-related, and drug-induced. Classical Sweet's syndrome (CSS) commonly occurs in women between the age of 30 to 50 years, it is regularly preceded by a higher respiration tract contamination and may be related to inflammatory bowel sickness and being pregnant. Approximately one-1/3 of patients with CSS experience recurrence of the dermatosis. The malignancy-related Sweet's syndrome (MASS) can occur as a paraneoplastic syndrome in patients with an established cancer or people whose Sweet's syndrome-associated hematologic dyscrasia or solid tumor became formerly undiscovered; MASS is most usually related to acute myelogenous leukemia. The dermatosis can precede, comply with, or appear concurrent with the prognosis of the patient's cancer. Hence, MASS may be the cutaneous harbinger of both an undiagnosed visceral malignancy in a previously cancer-free individual or an unsuspected cancer recurrence in an oncology patient. Drug-brought about Sweet's syndrome (DISS) maximum usually takes place in sufferers who have been handled with granulocyte-colony stimulating aspect, however, other medications can also be associated with DISS. The pathogenesis of Sweet's syndrome may be multifactorial and nevertheless remains to be definitively hooked up. Clinical and laboratory evidence indicates that cytokines have an etiologic function. Systemic corticosteroids are the therapeutic gold preferred for Sweet's syndrome. After initiation of remedy with systemic corticosteroids, there is a set off reaction which includes dramatic improvement of both the dermatosis-associated signs and symptoms and skin lesions. Topical software of excessive potency corticosteroids or intralesional corticosteroids may be efficacious for treating localized lesions. Other first-line oral systemic retailers are potassium iodide and colchicine. Second-line oral systemic sellers consist of indomethacin, clofazimine, cyclosporine, and dapsone. The signs and lesions of Sweet's syndrome may additionally resolve spontaneously, without any healing intervention; but, recurrence may comply with both spontaneous remission or remedy-brought on medical decision.

What Is Sweet's Syndrome?

Sweet syndrome is a rare disorder characterized by means of fever and the unexpected onset of a rash, which includes a couple of tender, pink or bluish-pink bumps or lesions. These lesions normally arise on the palms, legs, trunk, face or neck. In a few instances, additional systems of the frame can emerge as worried such as the musculoskeletal gadget consisting of irritation of the joints (arthritis), the eyes inclusive of infection of the conjunctiva or the membrane that lines the eyes (conjunctivitis), and the internal organs. In most affected people, the sickness occurs via itself for no recognised reason (idiopathic Sweet syndrome); that is also called classical Sweet syndrome. Less frequently, the disease can be related to an underlying most cancers (malignancy), normally a blood (hematologic) of most cancers such as positive types of leukemia; this is known as malignancy-related Sweet syndrome. The disorder also can end as a response to taking drugs, mainly a drug referred to as a granulocyte-colony stimulating thing; that is known as drug-induced Sweet syndrome. Sweet syndrome is treated with corticosteroids.

medical terms

  1. Sweet’s Syndrome is a rare disorder that was first identified in 1964 by Dr. Robert Sweet. It is classified as an autoimmune disease, in which the body’s immune system attacks its own healthy cells and tissues. This attack can cause inflammation in the skin, and can sometimes appear with other inflammatory conditions like fever or arthritis. People who suffer from Sweet’s Syndrome may experience rashes, blisters, or bumps on the skin that can be tender to the touch and may have a burning sensation.

  2. Sweet's Syndrome is a rare condition characterized by sudden onset of painful, red, raised skin lesions often accompanied by fever, fatigue, and other systemic symptoms. It is a neutrophilic dermatosis which is an inflammation disorder of the skin caused by accumulation of neutrophils, or white blood cells, in the dermis and epidermis. Sweet's Syndrome can be acute, subacute, or chronic and is usually self-limiting, meaning that it tends to resolve itself without any medical intervention. In some cases, however, it can have a more severe and persistent course requiring long-term treatment.

  3. Sweet's Syndrome, otherwise known as Acute Febrile Neutrophilic Dermatosis (AND), is a rare skin condition that is believed to result from a hypersensitivity reaction. It typically presents itself with symptoms such as fever, inflamed skin rashes, and neutrophilia, which is an increased number of white blood cells that are normally found in the bloodstream. It usually affects people between 20-40 years old, but can present itself in anyone regardless of age or gender. Sweet's Syndrome is primarily a clinical diagnosis, though a skin biopsy can be used to confirm it.

  4. Sweet's syndrome, also called acute febrile neutrophilic dermatosis, is an uncommon pores and skin condition. It causes fever and a painful skin rash that appears mostly on the fingers, face and neck.

  5. The purpose of Sweet's syndrome is not regarded, however it is on occasion induced by using an infection, illness or medicinal drug. It can also arise with a few kinds of most cancers.

  6. The maximum commonplace remedy for Sweet's syndrome is corticosteroid capsules, inclusive of prednisone. Signs and symptoms may match away after only a few days of treatment but can come back again.

  7. Sweet syndrome, also referred to as acute febrile neutrophilic dermatosis, is an extraordinary disease that typically affords with acute-onset soft plaques or nodules, fever, arthralgia, ophthalmologic manifestations, complications, and rarely, oral or genital lesions. The diagnosis is made by means of identifying the standard capabilities and the histology of the erythematous plaques. The goals of pharmacotherapy are to reduce morbidity and headaches, and the first-rate first-line alternative is systemic corticosteroids, or if lesions are confined, topical corticosteroids. This hobby evaluates the presentation, assessment, and management of Sweet syndrome and stresses the function of the interprofessional team approach on the care of affected patients.

  8. Sweet’s syndrome is a complex rare disease which might be hard to treat It is not always easy to determine the underlying cause of Sweet’s syndrome but it mostly affects people who have a compromised immune system If a person has an abnormal immune system they will likely experience frequent infections and more severe infections The problem can be addressed by using medications that reduce inflammation and immunosuppressants.

  9. Sweet's syndrome also known as SWE is a rare but serious condition that occurs when the immune system mistakenly attacks and damages healthy tissue The damage can occur anywhere in the body including the skin tendons, muscles joints and internal organs such as the lungs, heart and kidneys.

  1. Integumentary system

The integumentary system of humans is the largest organ system of the human body. The integumentary system functions to protect the body from the external environment, regulate body temperature, and synthesize vitamin D. The integumentary system includes the skin, hair, nails, and exocrine glands. The skin is the largest organ of the integumentary system and accounts for approximately 16 percent of an individual’s total body weight. The skin is composed of the epidermis, dermis, and subcutaneous tissue.


  1. Mammary glands

  2. Skin

  3. Subcutaneous tissue

Symptoms Sweet's syndrome

The biggest sign is the rash that appears to seem out of nowhere some days or weeks after a fever.

Small pink or red bumps or lumps commonly display up first on your arms, legs, face, or neck. But they could pop up in different places, too. They tend to develop quickly and in the end join together to make massive patches.

The rash can be painful. You may get blisters or pimple-like bumps. They can smash open and come to be inflamed.The signs and symptoms of Sweet syndrome come on abruptly.

Signs and symptoms of Sweet's syndrome include:

  • Fever

  • Painful small red bumps on your arms, face, neck or back

  • Bumps that grow quickly in size, spreading into painful clusters up to an inch (2.5 centimeters) in diameter

When to see a doctor

See your physician in case you broaden a painful, red rash that quickly grows in size.

Causes Sweet's syndrome

The genuine reason for Sweet syndrome isn't always fully understood. Most likely, the sickness outcomes from multiple, complex factors which include immunological, and environmental elements. Some researchers speculate that Sweet syndrome occurs as an hypersensitive reaction (reactive system) to an unknown agent. In such times, there's an oversensitive, or hypersensitivity, response through the immune device to a specific agent along with a bacterial or viral infection, most cancers or certain kinds of drug.

Cytokine dysregulation may play a role inside the development of the disease. Cytokines are specialized proteins secreted from positive immune system cells that both stimulate or inhibit the characteristic of other immune machine cells. If those cytokines malfunction, it can bring about overstimulation of the immune system in response to a specific agent.

Many human beings with traditional Sweet syndrome revel in an upper breathing contamination, gastrointestinal contamination, or influenza-like infection that precedes their skin lesions by one to 3 weeks. In girls, conventional Sweet syndrome can also occur all through being pregnant. Pregnancy-related Sweet syndrome commonly occurs inside the first or 2nd trimester. There does not seem like any fetal danger, and the syndrome may additionally recur with subsequent pregnancies.

In a few cases, classic Sweet syndrome may also be related to autoimmune and inflammatory disorders which include inflammatory bowel disorder: ulcerative colitis or Crohn’s ailment. (For more information on those issues, select the precise disorder name as your search time period inside the Rare Disease Database.)

Drug-caused Sweet syndrome develops after the use of certain medicinal drugs, the maximum generally associated drug is known as granulocyte-colony stimulating component. This drug is used to stimulate the production of neutrophils. A wide kind of additional capsules had been related to Sweet syndrome, although less often.

Malignancy-related Sweet syndrome is most commonly associated with blood cancers which include leukemia and lymphoma and solid tumors which include breast cancer.

More studies are important to decide the exact underlying mechanisms that make contributions to and in the end purpose the development of Sweet syndrome.

  • Blood cancer such as leukemia or lymphoma

  • Bowel disease, like ulcerative colitis or Crohn’s disease

  • Chest infection or strep throat

  • Colon or breast cancer

  • Injury where the rash is, like a needle prick or insect bite

  • Pregnancy

  • Rheumatoid arthritis

In most cases, the cause of Sweet's syndrome isn't regarded. The situation is on occasion associated with blood cancers, which includes leukemia, or solid tumors, consisting of breast or colon most cancers. It may arise as a reaction to a medication — typically a type of drug that reinforces production of white blood cells.

Risk factors Sweet's syndrome

Sweet's syndrome is unusual, but sure factors boom your risk, inclusive of:

  • Sex. In general, women are more likely to have Sweet's syndrome than are men.

  • Age. Though older adults and even toddlers can develop Sweet's syndrome, the circumstance especially influences humans between the ages of 30 and 60.

  • Cancer. Sweet's syndrome is every now and then associated with most cancers, most often leukemia however additionally breast or colon cancer.

  • Other health problems. Sweet's syndrome might also follow a top respiration infection, and many people report having flu-like symptoms earlier than the rash appears. Sweet's syndrome also can be related to inflammatory bowel sickness.

  • Pregnancy. Some girls develop Sweet's syndrome for the duration of pregnancy.

  • Drug sensitivity. Sweet's syndrome may also result from a sensitivity to certain medications, inclusive of azathioprine (Azasan, Imuran), granulocyte colony-stimulating thing, antibiotics and a few nonsteroidal anti-inflammatory capsules.

This condition no longer appears to have a racial predilection.

Complications Sweet's syndrome

Sweet's syndrome is a condition caused by the herpes virus It usually appears as painful red bumps on the skin that resemble insect bites but can also affect the internal organs The infection begins most often on the skin of the hands arms legs and feet Sweet’s syndrome is an acute form of herpes simplex virus type 1 (HSV-1) It causes redness swelling and blistering of the skin Although it has been called "rose fever" or "herpes roseola," it is not related to "rose fever." HSV-1 typically causes fever blisters around the mouth or eyes However when HSV-1 infects the skin it can cause Sweet's syndrome in children.


There is a threat of the skin lesions turning inflamed. Follow your physician's pointers for being concerned for the affected pores and skin.

In instances in which Sweet's syndrome is related to most cancers, the eruptions of the lesions may be the primary sign of most cancers either performing or habitual.

Is Sweet syndrome serious?

Sweet's syndrome also called erythema migrans is a rare skin condition that is often misdiagnosed This cutaneous eruption was first described by Vincent Thomas Sweet in 1931 and is seen most commonly in women between the ages of 20-40 years old The characteristic rash consists of red tender papules/pustules on the trunk and extremities These lesions are usually transient and resolve within one to three weeks.

Can Sweet syndrome cause death?

Sweet's syndrome is a rare disorder in which your body's immune system attacks its own tissue The resulting inflammation causes a variety of symptoms including fevers, rashes and joint pain. Sweet's syndrome is often accompanied by high blood sugar levels which can lead to coma or death.

Is Sweet syndrome an autoimmune disease?

Sweet syndrome is a rare condition that affects the skin, eyes and mouth. It's also called mucocutaneous lymph node syndrome (MLNS) and it often occurs in people who have HIV/AIDS. The syndrome can make you more prone to infections and certain types of cancer.

Can Sweet's syndrome be cured?

Sweet's syndrome is a rare disorder that is characterized by an acute onset of fever leukocytosis and rash The rash can appear as red to brown papules and plaques in various locations on the body Sweet's syndrome is also referred to as erythema multiforme major or SWEET's For some patients Sweet's syndrome goes away without treatment but for others it can be life-threatening and require hospitalization Treatment for Sweet's syndrome includes medications to treat fever pain and inflammation.

How common is Sweet syndrome?

Sweet syndrome is a rare disorder that causes a person to develop rashes and bumps on the skin Sweet syndrome has been found to be associated with HIV/AIDS but it is not contagious People who have HIV/AIDS are more likely to develop Sweet syndrome The disease is named after Henry Sweet an English dermatologist who first described the condition in 1907.

Diagnosis Sweet's syndrome

Your physician diagnoses Sweet syndrome with the aid of performing a thorough bodily exam. Doctors may also carry out a pores and skin biopsy if they are able to make a prognosis after a physical examination. For a biopsy, your medical doctor takes a pores and skin tissue pattern and sends it to a laboratory for assessment. Other diagnostic records include fever higher than a hundred.Four, exact reaction to steroids, records of concurrent malignancy, sickness, pregnancy and peculiar inflammatory blood markers.

A medical doctor who focuses on skin situations (dermatologist) might be able to diagnose Sweet's syndrome honestly by looking at your pores and skin. But you may want to try it out earlier than your medical doctor can make a specific prognosis. Tests that are beneficial in assessing human beings for Sweet's syndrome consist of:

  • Blood tests. A sample of your blood can be despatched to a laboratory where it's checked for a strangely huge wide variety of white blood cells and sure blood issues.

  • Skin biopsy. Your physician gets rid of a small piece of affected tissue for an exam under a microscope. The tissue is analyzed to decide whether it has the characteristic abnormalities of Sweet's syndrome.

Treatment Sweet's syndrome

  • The remedy of Sweet syndrome is directed in the direction of the particular symptoms which are obvious in every character. In a few cases, Sweet syndrome may remedy itself and not use a treatment, despite the fact that this could take weeks to months. The mainstay of treatment is with systemic corticosteroids. In most instances, a remedy with low doses of corticosteroids inclusive of methylprednisolone or prednisone has been proven effective in putting off symptoms, sometimes unexpectedly resolving signs. However, Sweet syndrome often recurs periodically notwithstanding remedy. For remote lesions, neighborhood therapy may also include topical corticosteroids (creams of gels) or immediately injecting corticosteroids into the lesion (intralesional corticosteroid).
  • Other tablets have been used to treat individuals with Sweet syndrome together with colchicine, dapsone, and potassium iodide. These tablets are typically used for individuals who cannot tolerate corticosteroids, in whom corticosteroids have been useless, or whilst looking to lower the dose of (taper) the corticosteroid. A sort of extra drugs were used to deal with people with Sweet syndrome consisting of cyclosporine, indomethacin and clofazimine.
  • Individuals with Sweet syndrome need to acquire an intensive scientific exam to locate any feasible underlying malignancy or sickness that can be related to Sweet syndrome, along with a complete hematologic evaluation. Usually, treatment of the underlying cancer outcomes within the decision of symptoms in malignancy-related Sweet syndrome. However, remedy with corticosteroids as with the classic shape is frequently endorsed.
  • Drug-caused Sweet syndrome commonly goes away after the affected person stops taking the offending medicine. Treatment with corticosteroids can also be used to treat this shape of Sweet syndrome.
  • The pores and skin lesions associated with Sweet syndrome typically heal without scars, except open sores were a gift (ulceration). The affected area might also remain discolored for months after the lesion has resolved.
  • Although corticosteroids are the mainstay of remedy and frequently effective in treating Sweet syndrome, there are not any standardized remedy protocols for affected individuals. Due to the rarity of the disease, there aren't any treatment trials which have been tested on a huge organization of sufferers. Various remedies had been reported within the clinical literature as part of single case reviews or small series of patients. Treatment trials could be very beneficial to decide the long-time period safety and effectiveness of precise medicines and treatments for individuals with Sweet syndrome.

Sweet's syndrome might depart without treatment. But medicines can speed the method. The maximum commonplace medications used for this situation are corticosteroids:

  • Pills. Oral corticosteroids, which include prednisone, work thoroughly however will affect your whole frame. Unless you best have some lesions, you'll in all likelihood want to take oral corticosteroids. Long-term use can cause aspect outcomes, including weight advantage, insomnia and weakened bones.

  • Creams or ointments. These arrangements typically have an effect on simply the part of skin in which they are implemented, but they are able to motivate thinning skin.

  • Injections. Another choice is to inject a small quantity of corticosteroid right into every lesion. This may be less possible for humans who have many lesions.

You'll want to take the drug for numerous weeks to prevent relapse. If lengthy-term corticosteroid use is a trouble for you, ask your medical doctor about different prescription medications that might help. Some not unusual options to corticosteroids are:

  • Dapsone

  • Potassium iodide

  • Colchicine (Colcrys, Mitigare)

Preparing for your appointment

Your number one care medical doctor is possibly to refer you to a dermatologist for analysis and remedy of Sweet's syndrome. Here's some records to help you get geared up for your appointment.

What you can do

Before your appointment, make a list of:

  • Symptoms you've been having and for how long, including those that seem unrelated to your rash

  • All medications, vitamins and supplements you take, including doses

  • Questions to ask your doctor

If you have symptoms of Sweet's syndrome, questions you may want to ask include:

  • What might be causing my rash?

  • What tests do I need to confirm the diagnosis?

  • Is this condition temporary or long-lasting?

  • What treatment options are available, and which do you recommend for me?

  • What side effects can I expect from treatment?

  • Is there a generic alternative to the medicine you're prescribing me?

  • What if I just wait to see if my signs and symptoms go away on their own?

What to expect from your doctor

Your doctor is likely to ask you a number of questions, such as:

  • When did your skin symptoms start?

  • Did they come on suddenly or gradually?

  • What did the rash look like when it first appeared?

  • Is the rash painful?

  • Does anything make your symptoms better?

  • Does anything make your symptoms worse?

  • Were you sick before the rash started?

  • What medical problems have you had?

  • Do you have other symptoms that started about the same time?

  • What medications do you take?

  • Did the skin lesions start in the days or weeks after you started a new medication?

General summary

  1. Sweet's Syndrome is a rare and serious condition that is characterized by the sudden onset of redness and swelling of the skin. It is also known as acute febrile neutrophilic dermatosis and is typically caused by an abnormal reaction to bacterial or viral infections. The most common symptom is a red or pink rash that typically appears on the arms, legs, and face; however, other areas of the body may be affected as well. Along with the rash, patients may experience fever, headaches, joint pain, and fatigue.

  2. Sweet's Syndrome, also known as Acute Febrile Neutrophilic Dermatosis, is a rare skin disorder characterized by the sudden emergence of fever and skin lesions. First described by Dr. Robert Douglas Sweet in 1964, the skin eruptions of Sweet's Syndrome are typically red, raised, and sore to the touch. The lesions can vary in size and usually appear on the arms, legs, and face. Initially, these lesions are flat and red, but as time passes, they become full of pus and are often accompanied by swollen lymph nodes and joint pain.

Sweet

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