Insect bites
Impetigo
Atopic dermatitis
Drug rash
Dermatitis herpetiformis
Bed bugs
Lice<unk>  (Mites)
Ticks
Fleas
Pseudoparasites
Delusional parasitosis (Ekbom syndrome)
See also travel-related skin conditions
Papules
Insect bites<unk> 
Seabather's eruption
Cercarial dermatitis (Swimmer's Itch)
Sub Q Swelling and Nodules
Myiasis
Tungiasis
Loa loa
African Trypanosomiasis
Onchocerciasis
Ulcers
Tropical pyoderma
Leishmaniasis
Mycobacterium marinum
Buruli ulcer
Dracunculiasis (Guinea Worm disease)
Linear and Migratory Lesions
Cutaneous larvae migrans
Photodermatitis
Insect bites<unk> 
Seabather's eruption
Cercarial dermatitis (Swimmer's Itch)
Myiasis
Tungiasis
Loa loa
African Trypanosomiasis
Onchocerciasis
Tropical pyoderma
Leishmaniasis
Mycobacterium marinum
Buruli ulcer
Dracunculiasis (Guinea Worm disease)
Cutaneous larvae migrans
Photodermatitis
See also domestic U.S. ectoparasites
Scabies
Insect bites
Chilblains
Impetigo
Chancroid
Atopic dermatitis
Tinea
Drug rash