could have been an hydrocortisone cream mixed with an antifungal cream.
dermatologist often start with a steroid and antifungal cream for things they don't know.
you can try the cream.
it doesn't look like a fungal infection.
I bet it most likely is a genital wart
your partner should get pap smears to check for HPV virus on her pap smears as well, if HPV or human papilloma virus is positive on her pap smear, then these could be genital warts passed to you.
let me know if you have other questions.
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