Inverse psoriasis

Inverse psoriasis (also known as intertriginous psoriasis) is a form of psoriasis that affects the skin folds of the body. It is characterized by smooth, red patches of skin that can be painful and itchy. This condition is often found in the armpits, groin, under the breasts, and in other skin folds around the genitals and buttocks.

Symptoms

The main symptoms of inverse psoriasis include:

• Smooth, red patches of skin
• Pain and itching in the affected areas
• Worsening of symptoms with friction and sweating

Causes

The exact cause of inverse psoriasis is unknown, but it is believed to be related to an overactive immune system. Factors that may trigger a flare-up include:

• Infections
• Stress
• Certain medications
• Alcohol and tobacco use
• Skin injuries

Diagnosis

Diagnosis of inverse psoriasis is typically made by a dermatologist based on the appearance of the skin. In some cases, a skin biopsy may be performed to confirm the diagnosis.

Treatment

Treatment for inverse psoriasis may include:

• Topical treatments, such as corticosteroids or vitamin D analogues
• Phototherapy
• Systemic medications, such as methotrexate or biologics
• Lifestyle changes, such as maintaining a healthy weight and avoiding triggers

See also

• Psoriasis
• Dermatology
• Skin biopsy
• Corticosteroids
• Methotrexate

References

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