Translation guide
A fungal infection in the groin area. In Japanese, it is commonly referred to by the medical term or described by its symptoms.
Jock itch is a type of fungal infection.
The most common colloquial term for jock itch. Literally 'groin ringworm'. Widely understood and used in everyday conversation.
I have jock itch and it's itchy.
Literally 'athlete's foot of the groin'. A descriptive phrase that compares it to the more familiar athlete's foot. Understandable but less common than いんきんたむし.
I have symptoms like jock itch.
If you need to describe the symptoms without naming the condition, you can say 股がかゆい (the groin is itchy) or 股に赤い発疹がある (there's a red rash in the groin).
My groin is itchy and red.