What causes pin-head size open sores on the scalp?

Pin-head size open sores on the scalp can be caused by a variety of conditions, including:

* Folliculitis: This is a bacterial infection of the hair follicles. It can cause small, pus-filled bumps on the scalp, which can eventually develop into open sores.

* Sebaceous hyperplasia: This is a condition in which the sebaceous glands, which produce oil, become enlarged. This can cause small, yellow-white bumps on the scalp, which can sometimes develop into open sores.

* Tinea capitis: This is a fungal infection of the scalp, also known as ringworm. It can cause itchy, scaly patches on the scalp, which can sometimes develop into open sores.

* Psoriasis: This is a chronic skin condition that can cause red, scaly patches on the scalp, which can sometimes develop into open sores.

* Eczema: This is a chronic skin condition that can cause itchy, red, and dry skin on the scalp, which can sometimes develop into open sores.

* Dermatitis: This is a general term for any skin inflammation, and can be caused by a variety of factors, including allergies, contact with irritants, and genetic conditions. Dermatitis can cause itchy, red, and scaly skin on the scalp, which can sometimes develop into open sores.

If you are experiencing pin-head size open sores on your scalp, it is important to see a doctor to get a diagnosis and appropriate treatment.