Category Emergency

Sea Bather’s Eruption: (Sea Lice)

Presentation Patients seek help because of an intense pruritic or painful eruption of red raised welts, sometimes like mosquito bites. They are at times confluent, appearing in areas that had been covered by swimwear ( Fig. 180.1 ). This will…

Scabies: (Human Itch Mite)

Presentation Patients present for evaluation due to inability to sleep as a result of intense itching. Severe pruritus, which is the hallmark of this disease, is intensified at night for unclear reasons. These patients have skin lesions that include mite…

Pityriasis Rosea

Presentation Patients with this rash often seek acute medical help because of the worrisome sudden spread of a rash that began with one local skin lesion. This “herald patch” may develop anywhere on the body, but it is typically on…

Pediculosis: (Lice, Crabs)

Presentation Patients arrive with emotions ranging from annoyance to sheer disgust at the discovery of an infestation with lice or crabs and request acute medical care. There may be extreme pruritus, and the patient may bring in a sample of…

Impetigo

Presentation Parents will usually bring their children (most commonly aged 2–5 years, although it can occur in any age group) to be checked because they are developing unsightly skin lesions. The lesions are usually painless but may be pruritic and…

Herpes Zoster: (Shingles)

Presentation The most common presentation is a dermatomal rash and pain. Prodromal symptoms, which occur infrequently, may include malaise, nausea and vomiting, headache, and photophobia. Less commonly there may be fever. During the prodromal stage, which can last several days,…

Frostnip, Frostbite, and Mild Hypothermia

Presentation Frostnip occurs when skin surfaces, such as the tip of the nose and ears, are exposed to an environment cold enough to freeze the epidermis. These prominent exposed surfaces become blanched and develop paresthesia and numbness but remain pliable.…