Heat Rash Acne (Acne aestivalis): What should you do? (Q&A)

(?) Frequently asked questions with answers from the dermatology specialist team at Mesa By Dr. Aor Clinic

Q: What are these small bumps that appear like acne after sun exposure?

A: Small bumps that appear after sun exposure are often acne aestivalis, also known as heat rash acne. It is a type of acne-like eruption commonly found on the face, especially on the forehead, as this area is directly exposed to sunlight and heat.

Q: How is heat rash acne different from regular acne?

A: Heat rash acne typically has the following characteristics:

Small, uniform bumps of similar size

It may look more like a rash than clogged acne

It may be less noticeable in the morning but becomes more visible in the afternoon to evening

It can be accompanied by itching or irritation

If not properly managed, the condition may worsen or recur.

Q: What causes heat rash acne?

A: Heat rash acne can be caused by a combination of factors, such as:

Sun exposure and heat

Sweat and humidity

Excessive or harsh facial cleansing or rubbing

Use of unsuitable skincare or cosmetic products

In some cases, it may be associated with skin yeast such as Malassezia

Q: How can heat rash acne be treated?

A: Since heat rash acne can resemble other skin conditions such as irritation or allergic reactions, an accurate diagnosis is very important.

General care guidelines include:

Avoiding heat and strong sunlight

Using gentle, non-irritating skincare products

Avoiding scrubbing or harsh rubbing of the skin

Discontinuing products that may clog pores or cause irritation

In some cases, a doctor may prescribe topical or oral medication depending on the cause

Self-medication is not recommended, as it may worsen the condition.

Summary

Heat rash acne is a small bump-like skin condition often associated with sun exposure, heat, and skin irritation. Proper care should start with avoiding triggering factors, using suitable skincare products, and consulting a dermatologist for an accurate diagnosis.