Dermatology Questions? Ask an Online Dermatologist.
Yes , please go to an urgent care for the lesion to be tested and treated promptly.
that's not always the case, this looks ulcerated which can be caused by herpes as well.
there's no way to tell for sure until it is tested
highly highly unlikely
syphilis, chancroid, lymphogranuloma venereum, granuloma inguinale (donovanosis), secondary bacterial infections (occurring after a primary infection or inflammation), and fungal infections...the list goes on and on, bot***** *****ne , it needs to be tested
good luck and please don't forget to leave a positive rating.