Seabather's eruption

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Seabather's eruption Classification and external resources
eMedicine	derm/390

Seabather's eruption (locally known as sea lice) is an immune response to the larval stage of the thimble jellyfish. This reaction occurs mainly in Florida, due to the proximity of the Gulf Stream to the state. It should be noted that animals can be affected as well, and that a cortisone solution for humans can be used on dogs.

Thailand

Occurrences in Thailand indicate that the eruption isn't an isolated issue for Florida. As recently as October 2007, individual reports indicate that sea lice are present in the Gulf of Siam along the western coast area near Hua Hin.

Identification

The reaction is identified by severe itching around small red papules 1mm to 1.5cm in size usually found around areas where swimsuits were in contact with the skin or hair, but not necessarily.

Treatment and symptoms

Treatment does not require a doctor's attention unless the case is severe, with most affected using a topical anti-itch cream (diphenhydramine) and a cortisone solution (hydrocortisone). Do not scratch the area, and avoid any clothing that may irritate the affected area; scratching will result in localized swelling and intense itching. Symptoms generally arise later after one takes a shower. It is unusual to notice the eruptions immediately. Symptoms can last from a few days up to 2 weeks the shorter time being the norm.

It is best to remove clothing before rinsing in cold water or drying off. Inactivated larvae may react to fresh water or lack of water, thus activating. The contaminated swimsuit should be machine washed, and dried in warm air.

External links

• FAU Sea Lice Page
• [1]The latest information on sea bather's eruption By G. Yancey Mebane, M.D.
• DermNet arthropods/sea-bathers

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .