Seabather's eruption

Background

• Cnidaria larvae get trapped, release toxin
• Nematocysts of the larval forms of sea anemones: Edwardsiella lineata
• Thimble jellyfish: Linuche unguiculata

Clinical Features

• Rash under bathing suit

Differential Diagnosis

Travel-related skin conditions

Papules

• Insect bites
• Scabies
• Seabather's eruption
• Cercarial dermatitis (Swimmer's Itch)

Sub Q Swelling and Nodules

• Myiasis
• Tungiasis
• Loa loa
• African Trypanosomiasis
• Onchocerciasis

Ulcers

• Pyoderma
• Leishmaniasis
• Mycobacterium marinum

Linear and Migratory Lesions

• Cutaneous larvae migrans
• Photodermatitis

See also domestic U.S. ectoparasites

See Also

• Parasitic Diseases
• Travel Medicine

Authors:

Claire, Neil Young, Daniel Ostermayer, Ross Donaldson