April 8, 2018

Perioral Dermatitis

Perioral dermatitis is a very common chronic dermatosis, primarily affects women aged 15 to 45 years. lupus-like perioral dermatitis and granulomatous perioral dermatitis which is more common in childhood and affects mostly prepubescent boys are two variants of POD. It is characterised by minute papules and water filled vesicles around mouth with a typical narrow spared zone around the edge of the lips.

The exact cause is still unknown but prolonged use of steroidal cream for different dermatological conditions like rosacea, seborrheic dermatitis precede the clinical manifestation of POD. Mild forms of perioral dermatitis, ‘zero therapy’ is the treatment of choice, Means simply moisturizing. In moderate disease, treatment includes topical metronidazole, erythromycin, and pimecrolimus, whereas in more severe cases the best validated choice is oral tetracycline in a subantimicrobial dose until complete remission is achieved. Systemic isotretinoin should be considered in resistant cases.

 

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Ichthyosis (ick-thee-OH-sis) is a skin disease that causes extremely dry, thick, and scaly skin resembles fish scales.

These are a heterogeneous group of disorders with both inherited and acquired forms. these are the types
Ichthyosis Vulgaris- Most common type of icthyosis Lamellar Ichthyosis- Lamellar ichthyosis is characterized by dark, plate (armor)-like scale. Epidermolytic Hyperkeratosis- characterized by generalized redness and fine white scale Congenital Ichthyosiform Erythroderma- newborn infant with ichthyosis who presented at birth with collodion baby appearance. X-linked Ichthyosis- due to a defect in the enzyme steroid sulfatase, affects males with generalized scaling that usually begins soon after birth.

Ichthyosis Treatment

Several hours each day may need to be devoted the skin if ichthyosis is present in an individual. Daily, a person will need to take a shower or a bath. The skin should be exfoliated on a daily basis, and moisturised well. Moisturising ointments or creams may need to be prescribed by a dermatologist for the individual. Oral retinoids can be prescribed to reduce scaling. If a secondary infection occurs on the skin, oral antibiotics will need to be prescribed. Tips that will help keep the skin looking and feeling its best include applying a good quality lotion within 3 minutes of bathing. Apply to wet skin to keep moisture trapped into the skin. Products that contain lactic acid, alpha hydroxy acids and urea will help to keep skin not only moisturised but also exfoliated. Rubbing a wet pumice stone over crusty scales on the skin can help to remove them. Should there be scales on the scalp, brushing wet hair gently will aid in removing the scales.  

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