Hookworm. A round worm.
Walking in human feces. Really. Eggs pass in the stool and you walk in the stool and they invade through your skin. Beats eating them. Barely.
Ground itch: an intense pruritus, erythema, and a vesicular, papular rash where the larva penetrated.
Iron deficiency anemia is the most common manifestation of bowel infestation, but malnutrition in all its forms.
Mebendazole 100 mg bid x 3 days.
H.L. Menken, America's second greatest writer, in his wisdom, referred to the US South as the hookworm belt. I look forward to your abusive e-mail in reply.
ICD9 Codes (Soon to be supplanted by ICD10)
Necator americanus 126.1.