Clinical perspectives on seabather's eruption, also known as 'sea lice.'

Article Abstract:

Seabather's eruption is a skin disorder characterized by red lesions and symptoms such as chills, headache and nausea that develop four to 24 hours after being in the ocean. Usually the lesions are on areas of skin covered by bathing suits. It is thought to be caused by microscopic jellyfish larvae that flow with the ocean water through the bathing suit and are then trapped against the skin by the bathing suit. The larvae sting the seabather, causing the skin lesions. Outbreaks of seabather's eruption have been reported around southern Florida and occur between March and August. Over 10,000 people are thought to have developed seabather's eruption in 1992 in south Florida. To reduce the risk of seabather's eruption, men should avoid wearing T-shirts and women should wear two-piece rather than one-piece bathing suits. Bathing suits should be removed as soon as possible after leaving the water. Seabather's eruption usually heals on its own within three to five days.

Causes of, Dermatitis

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Necrotic arachnidism - Pacific northwest, 1988-1996

Article Abstract:

The hobo spider may be responsible for spider bites in the Pacific northwest that have been attributed to the brown recluse spider. Three case reports from Oregon, Washington and Idaho illustrate the severity of these bites. In most cases, the bite causes an ulcerated lesion that can take over a month to heal. It can also cause systemic symptoms such as headache, fever and nausea. The optimal treatment has yet to be determined. The hobo spider originated in Europe and was probably imported to the Seattle area in the 1920s and 1930s.

Poisonous arachnida, Poisonous arachnids

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Bites of brown recluse spiders and suspected necrotic arachnidism

Article Abstract:

Bites from brown recluse spiders can cause clinically important dermal necrosis and subsequent scarring, but even severe necrosis is rarely life threatening as it is typically self-limited and self-healing, without long-term consequences. Advances in medical arachnology are resulting in a reassessment of the way to approach patients with suspected necrotic spider bites.

United States, Care and treatment, Diagnosis, Risk factors

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