This is Dr. David
this could be from a skin fungal infection which can cause red bumps which are itchy
or a folliculitis infection of the hair follicles.
I see you shave down there.
do you have excessive sweating or moisture down there? this can lead to skin fungal infection.
you may need to use baby powder and antifungal powders to fight skin fungal infection
it doesn't look like an STD infection.
let me know if you have other questions.
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