Hi bumps in the grion extending upto labia can be tinea cruris
.this is due to excessive sweating
and due to wearing of wet clothes.it is due to superficial fungi.it can be cured ny absorb dusting powder in the morning.onabet cream in the night.use of atarax
25 mg at night .and terbinafine
250mg once a day for 14 days and application of terbinafine ointment can cure it.