I have hard bumps swelling in the back of my head?

Neck Bumps: Without seeing your skin it is almost impossible too make a diagnosis but if you are african anerican you could have acne kelodalis nuchae.Acne keloidalis nuchae (akn) is a condition characterized by follicular-based papules and pustules that form hypertrophic or keloid-like scars. Akn typically occurs on the occipital scalp and posterior neck and develops almost exclusively in young, african-amer.