A:
They certainly are not genital warts, for many reasons: most important, warts don't have pus and don't fade. I think the most likely cause is friction, leading to "blocking" of the pores and folliculitis, or pimples. Chances are your body (and his) will readjust their "thermostats" and the bumps will stop coming. Don't
scratchAllergy skin prick or scratch test
Allergy testing them or try to squeeze them out, as this will just make them stay red longer.
If the bumps you describe don't go away after a couple of week,s you both ought to show them to a doctor, just to be sure.
Best.
Dr. R