For irritation and inflammation on your pubic region you could do the following..
1. your under wire must be loose fitting and pure cotton
2. Do not use any after shave lotion/ gel.
3. take an antihistamin tablet-e.g. Atarax
25mg morning and at night for 1 week.
4. Apply a moderate potency steroid
cream twice daily for 1 week-e.g. Betnovate
You might consult after 1 week of treatment.