Definition Dermatitis characterized by hypopigmentation. Erythema and scaling usuall yprecede hypopigmentation. Age Pityriasis alba usually occurs in children between 3 to 16 years of age. Pityriasis alba is often common in atopic individuals but notconfined to them. Clinical features The patch is round, oval, or irregular hypopigmented and usually not...
Dermatitis and eczema of the eyelids
Eyelid involvement is a common feature of a topic dermatitis. Seborrheic dermatitis and contact allergy to various components of eye makeup, nail polish, fragrances, or ophthalmic medicaments maybe responsible in some cases. Cause remains obscure in some cases. Management Avoid allergens/irritants Use moisturizer Hydrocortisone 1% cream is often effective. Tacrolimus...
Palmoplantar hyperhidrosis
Palmoplantar hyperhidrosis commonly begins in childhood or around puberty. The sweating of the palms and soles is either continuous or phasic. When continuous, it is worse in the summer and not so clearly related to mental status. When phasic, it is usually associated with minor emotionalor mental activity, and not...
Seborrhoeic Dermatitis
Synonyms Dandruff Pityriasis capitisor Seborrhoeic dermatitis (SD) is a common, chronic, relapsing condition characterized by reddish scaly patches and variable itching. It affects the scalp, face and central chest-areas with a high density of sebaceous(oil) glands. On scalp without inflammation it isreferred to as dandruff or pityriasis capitis. Malassezia (Pityrosprum)...
Xanthelasma palbebrum
Definition Xanthelasmas are plane xanthomas that develop around the eyes. Associated diseases Xanthelasmas are seen in Familial Hypercholesterolemia, type III hyperlipoproteinaemia and chronic cholestasis, but are also seen in people with normal circulating lipid levels. Clinical features Upper eyelids and medial canthus are the most commonly affected areas. They are...
Zoster (Herpes zoster, Shingles)
Definition Zoster is a unilateral eruption due to reactivation of latent VZV (Varicella zoster virus). Synonyms Herpes zoster Shingles Causative organisms Reactivation of latent VZV. General Description Zoster is affliction of people who have previouslyhad varicella(chickenpox). Zoster patients are infectious and in susceptible contacts of zoster, chickenpox can occur. Age...
