Psoriatic erythroderma

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Psoriatic erythroderma
File:Psoriasis Treatment and DDx.pdf Psoriatic erythroderma
Synonyms	Erythrodermic psoriasis
Pronounce	N/A
Specialty	N/A
Symptoms	Redness, scaling, itching, pain, swelling
Complications	Infection, dehydration, heart failure
Onset	Can occur at any age
Duration	Chronic
Types	N/A
Causes	Exacerbation of psoriasis, medication withdrawal, infection
Risks	Psoriasis, HIV, stress, alcohol
Diagnosis	Clinical diagnosis, skin biopsy
Differential diagnosis	Atopic dermatitis, seborrheic dermatitis, drug eruption
Prevention	N/A
Treatment	Topical corticosteroids, systemic therapy, phototherapy
Medication	Methotrexate, cyclosporine, biologics
Prognosis	Variable, can be life-threatening if untreated
Frequency	Rare
Deaths	N/A

Psoriatic erythroderma is a severe and rare form of psoriasis, characterized by widespread inflammation and exfoliation of the skin over large areas of the body. It is a type of erythroderma, which refers to an inflammatory skin condition that affects more than 90% of the body surface area.

Clinical Features

Patients with psoriatic erythroderma typically present with generalized redness of the skin, scaling, and shedding of the skin. The condition can be accompanied by systemic symptoms such as fever, chills, and malaise. The skin may appear thickened and may have a shiny appearance due to the extensive inflammation.

Pathophysiology

Psoriatic erythroderma is thought to result from an exacerbation of underlying psoriasis, where the immune system becomes overactive, leading to widespread skin inflammation. The exact mechanisms are not fully understood, but it involves a complex interaction between genetic predisposition and environmental triggers.

Diagnosis

The diagnosis of psoriatic erythroderma is primarily clinical, based on the characteristic appearance of the skin and the patient's history of psoriasis. A skin biopsy may be performed to rule out other causes of erythroderma, such as eczema or drug reactions.

Treatment

Treatment of psoriatic erythroderma involves both topical and systemic therapies. Topical treatments may include emollients and corticosteroids to reduce inflammation and moisturize the skin. Systemic treatments often involve the use of immunosuppressants such as methotrexate, cyclosporine, or biologic agents like TNF-alpha inhibitors.

Complications

Psoriatic erythroderma can lead to several complications due to the extensive skin involvement. These include dehydration, due to loss of fluids through the damaged skin, and increased risk of infections. The condition can also lead to hypothermia due to impaired thermoregulation.

See also

• Psoriasis
• Erythroderma
• Immunosuppressants
• Biologic agents