Puncta pruritica

Puncta pruritica is a medical term that refers to the specific points on the skin that become itchy. The term is derived from Latin, with 'puncta' meaning 'points' and 'pruritica' meaning 'itchy'. It is a common symptom in various skin conditions and diseases, such as dermatitis, eczema, and psoriasis.

Causes

The exact cause of puncta pruritica is not fully understood. However, it is believed to be related to the activation of certain nerve fibers in the skin. These nerve fibers can be stimulated by various factors, including:

• Inflammation: This can occur due to skin conditions like dermatitis, eczema, and psoriasis.
• Allergies: Certain substances, such as pollen, dust mites, and certain foods, can trigger an allergic reaction that causes the skin to itch.
• Infections: Skin infections caused by bacteria, viruses, or fungi can lead to itching.
• Dry skin: This is a common cause of itching, especially in older adults and during the winter months.

Treatment

Treatment for puncta pruritica typically involves addressing the underlying cause of the itching. This may include:

• Topical treatments: These are applied directly to the skin and can include corticosteroid creams, calcineurin inhibitors, and antihistamines.
• Systemic treatments: These are medications that are taken by mouth or injected and can include antihistamines, corticosteroids, and immunosuppressants.
• Phototherapy: This involves exposing the skin to certain types of light to reduce itching and inflammation.

See also

• Pruritus
• Dermatology
• Skin disease

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