1 doctor weighed in:

Red pimple like acne on on scalp back of head?

1 doctor weighed in
Dr. Rebecca Weiss
Family Medicine

In brief: Ingrown Hair

Sounds to me like you, in all likelihood, have developed an ingrown hair.
Ingrown hairs are caused by a growing hair that gets trapped under the skin and can cause irritation and/or infection in the area. If you have many of these pimples, its a condition called 'folliculitis'. More severe cases may require treatment with antibiotics.

In brief: Ingrown Hair

Sounds to me like you, in all likelihood, have developed an ingrown hair.
Ingrown hairs are caused by a growing hair that gets trapped under the skin and can cause irritation and/or infection in the area. If you have many of these pimples, its a condition called 'folliculitis'. More severe cases may require treatment with antibiotics.
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