Overview

Ichthyosis is a group of skin disorders characterised by dry, thickened, scaly skin resembling fish scales. Most types are genetic. The most common form, ichthyosis vulgaris, affects about 1 in 250 people and is often associated with atopic dermatitis. The condition is lifelong but manageable. Kuwait's extreme summer heat poses a particular overheating risk for severe patients.

Symptoms

• Dry scaly skin covering large body areas — scales may be white, grey, or dark brown
• Skin tightness especially after bathing; mild to severe itching
• In severe forms: deep fissures, reduced sweating, and overheating risk

Causes & Risk Factors

• Ichthyosis vulgaris: filaggrin gene mutation (also linked to eczema and allergies)
• Other genetic forms: X-linked ichthyosis, lamellar ichthyosis
• Acquired ichthyosis: thyroid disease, kidney disease, HIV, lymphoma, certain medications

Complications

• Skin infections from cracking
• Overheating (hyperthermia) — serious risk in Kuwait's summer for severe patients
• Significant psychological impact from the visible condition

Diagnosis

Clinical diagnosis based on appearance and family history. Genetic testing confirms type. Blood tests to rule out acquired causes if onset is in adulthood.

Treatment

• No cure: daily bathing followed by immediate application of thick emollients is essential
• Keratolytic agents: urea, lactic acid, salicylic acid creams to soften and remove scales
• Oral retinoids (acitretin) for severe forms
• In Kuwait: stay cool, use air conditioning, wear lightweight breathable clothing

Prevention

• Cannot be prevented (genetic condition); genetic counselling for affected families
• Prevent complications with consistent daily moisturising and temperature management

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