Seborrheic dermatitis is a common skin condition which affects infants before 3 months of age.
It is caused by hyperactive oil glands due to circulating maternal hormones after birth. A natural yeast called Malassezia (Pityrosporum) grows in the increased oily secretion, resulting in inflammation (redness) and overproduction of skin cells (scaling).
Infants usually outgrow this condition by 6 to 12 months of age. Some babies with seborrhoeic dermatitis will develop atopic dermatitis (eczema), especially if there is a family history of eczema, allergic rhinitis (sensitive nose) or asthma
Neonatal acne is quite common and affects babies. It appears when the baby is a few weeks to a few months old. It occurs as a result of maternal hormonal stimulation of hyperactive sebaceous (oil-secreting) glands.
Diaper dermatitis, or diaper rash is a skin condition where the skin covered by diapers develops a rash.
It is one of the most common skin problems in infants and young children. Most infants develop diaper dermatitis at some stage, most commonly between 9 and 12 months. Most cases of diaper dermatitis are transient and resolve with regular diaper change and use of barrier creams.v
Diaper dermatitis occurs due to several different factors. The most common cause is irritation by urine and stools, especially if the baby has loose stools or diarrhoea, or the diapers are not changed frequently. Tight fitting diapers can cause friction over the folds of the groin area. Secondary infection with bacteria and candida yeast is also common in the groin area.
Some skin conditions e.g. seborrheic dermatitis or atopic dermatitis can affect the diaper area. These can be worsened by the factors mentioned above.
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