Might be Herpes see a doctor...
It could be almost anything and it depends on where they are.
your vaginal flaps
pimples.
warts
Dysnidrosis
It's a rash.
Chickenpox causes widespread bumps, not clustered. Shingles or poison ivy are just a couple of problems that can cause a cluster of itchy bumps. See your health care provider for definite diagnosis and treatment.
signs of poor hygiene
you got something. go to the docter
You break out in turnips
Possibly skin blemishes.
its called hemroids