Hi red bumps recurrent over the pubic area can be hydreadenitis suppurtiva.it is group of furunculosis
which are beeded together.they are mainly due to uncleanliness or excessive moisture over the area.
They can be treated by atarax
25 mg at night.antibiotic twice daily and application of mupirocin
ointment after saline compressors.use of minocycline
100 mg od can cure it.if no response go for surgical removal