Prevalence of different pathological skin conditions in infancy

Skin diseases in infancy represent a significant cause of pediatric morbidity and account for a large proportion of dermatology consultations worldwide. Infant skin is structurally and functionally immature, characterized by a thinner epidermis, increased transepidermal water loss, and evolving immune responses. These features predispose infants to a wide spectrum of infectious and non-infectious dermatoses. The prevalence and pattern of infantile dermatoses vary according to geographic location, environmental factors, socioeconomic conditions, and hygiene practices. Infectious skin diseases remain more common in low-resource settings, while inflammatory and allergic conditions are increasingly observed in urban and industrialized environments. Early-life impairment of the skin barrier plays a central role in the pathogenesis of many infantile dermatoses and influences disease severity and chronicity. Common infectious conditions in infancy include bacterial, viral, fungal, and parasitic skin diseases, each associated with distinct clinical features and potential complications. Non-infectious dermatoses such as atopic dermatitis, seborrheic dermatitis, and diaper dermatitis frequently present during early life and may significantly affect quality of life for both infants and caregivers. Early recognition, appropriate management, and preventive skincare strategies are essential to minimize morbidity and long-term sequelae.