"Iodoquinol inhibits several enzymes of protozoans. It is given orally for treating asymptomatic amoebiasis and is given either by itself or in combination with metronidazole for intestinal and hepatic amoebiasis."
"Iodoquinol-HC Top Uses
This combination medication is used to treat a variety of skin conditions (e.g., eczema, fungal skin infections such as ringworm/athlete's foot/jock itch). This product contains 2 medications. Iodoquinol is an antibiotic that works by preventing the growth of fungus/bacteria. Hydrocortisone is a mild corticosteroid that works by reducing the swelling, redness, and itching that occurs in the affected skin."
And a couple pages in the Merck manual mentioning it:
I'm unfamiliar with it but it could certainly help.