There is a small pustule on the top of the head.

Jun 01, 2023 Source: Cainiu Health

Dr. Liu Wan

Introduction

Small pustules on the scalp are usually caused by folliculitis, furuncles, or allergic dermatitis, and appropriate medication should be selected based on the specific condition. Besides these common causes, other factors such as seborrheic dermatitis, pustular psoriasis, or tinea capitis may also be responsible. In such cases, patients should seek timely medical treatment to avoid delaying diagnosis and management.

Small pustules on the scalp are usually caused by folliculitis, furuncles (boils), or allergic dermatitis. Appropriate medication should be selected based on the specific condition. Detailed analysis is as follows:

1. Folliculitis

When hair follicles on the scalp become infected with bacteria, localized inflammatory stimulation can lead to red, firm bumps accompanied by symptoms such as itching and tenderness. In severe cases, small pus-filled heads may appear on the surface, which are typically associated with bacterial infection. Patients may apply erythromycin ointment or mupirocin ointment locally as directed by a physician.

2. Furuncle (Boil)

A furuncle is usually caused by a suppurative inflammatory lesion in a localized hair follicle. This results in red rashes on the skin surface with yellow pus heads at the top, accompanied by pain and exudation. Patients should use topical medications such as chlortetracycline hydrochloride ointment or fusidic acid cream as prescribed by a doctor.

3. Acne

This is commonly related to excessive sebum production on the scalp and infection with *Propionibacterium acnes*, leading to blackheads or whiteheads on the skin surface, along with mild itching and exudation. It is recommended that patients take medications such as isotretinoin soft capsules or compound pearl acne tablets under medical supervision to improve symptoms.

In addition to the common causes mentioned above, other possible factors include seborrheic dermatitis, pustular psoriasis, and tinea capitis. Patients should seek timely medical treatment to avoid delays in diagnosis and management.

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