| ID | 401 |
|---|---|
| Name | SEBORRHOEIC DERMATITIS |
| Cause | Seborrheic dermatitis is usually caused by a combination of genetic and environmental factors |
| Signs Symptoms | Dry, flaky skin. ... Rash on scalp. ... Rash on the face. ... Burning or itching. ... Rash on your eyelids (blepharitis) ... Rash around or inside the ears. ... Rash in the skin folds. ... Good health. |
| Diagnosis | Seborrheic dermatitis is a clinical diagnosis based on the location and appearance of lesions. In infants, it may present as thick white or yellow greasy scales on the scalp; it is usually benign and resolves spontaneously |
| Investigations | see sign and symptoms |
| Management | Antifungal gels, creams, lotions, foams or shampoos alternated with another medication. 2% ketoconazole or 1% ciclopirox . Or you might rotate between two or more products. Ketoconzole can worsen the dryness of tightly coiled or chemically treated hair and increase the risk of breakage. To ease this effect, use it only once a week with a moisturizing conditioner Creams, lotions, shampoos or ointments that control inflammation. corticosteroid you apply to the scalp or other affected area. These include |
| Introduction | |
| History | |
| Etiology | Seborrheic dermatitis is usually caused by a combination of genetic and environmental factors. The trigger is usually an inflammatory reaction to excess Malassezia yeast, also sometimes called pityrosporum. This organism that normally lives on the skin's surface, is the likely cause of seborrheic dermatitis. |
| Clinical Features | Clinical features: This is characterised by greasy scaling associated with patchy redness, fissuring and occasional weeping. Occurs commonly over the scalp (cradle cap), forehead, eyelids, retro-auricular folds, neck, axille, groins and gluteal cleft, with patches on the truck. CRADLE CAP A scaly dermatitis of the scalp in the first 2 weeks after birth is common and of no major significance. |
| Preventions | |
| Treatment | Treatment: 1. The scalp is gently shampooed with medicated shampoo three times a week for one to two weeks. Olive oil applied daily to the scalp will help soften the scabs and ease removal on shampooing. 2. Mild steroid & anti-fungal combined cream preparation can be applied twice daily. This is more widespread occuring in the 3rd or 4th month. Some cases may progress to atopic dermatitis. Itching is absent of infantile eczema. Treatment: Dilute hydrocortisone cream (0.5-1%) is applied 2 times a day. |
| Complications | Seborrheic dermatitis usually takes a benign course, and serious complications are very rare. The intertriginous areas and eyelids are prone to secondary bacterial infections, especially during acute flares |
| Prognosis | Seborrheic dermatitis is a chronic (life-long) condition that comes and goes, and it can be controlled with treatment. Severity of seborrheic dermatitis can be lessened by controlling risk factors and paying careful attention to skin care |
| Types | Psoriasis - sharply-defined red plaques with a loose, silvery lamella scale. Pityriasis rosea - herald spot; collarette scale; Christmas tree distribution. Pityriasis versicolor - not symmetrical; hypo/hyperpigmentation. Subacute lupus erythematosus - photosensitive distribution. Eczema (nummular) - intense pruritus. |
| Classification | |
| Observation | |
| Pathology |
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