Hi itchy lumps over the body especially on wrists .perianal area.thighs and vulva
can be typical of scabies
if finger web spaces and umblicus also effected.flea bites are present only in exposed areas.folliculitis
can be feature of scabies but folliculitis in typical sites indicates scabies.
Scabies is caused by scabitic mite.it is treated by permite lotion weekly once application in the night time from head to toe and wash it off in the morning it should be applied for two weeks and all the household should apply.take antihistamine.antibiotic.and application of fusibet over already cured lesions.
New bumps in this case can be due to other family members effected