Gags acne Calculator: Free dermatology Risk Score & Interpretation

Global Acne Grading System: Quantitative assessment of anatomical acne severity.

Forehead

Factor: 2

Right Cheek

Factor: 2

Left Cheek

Factor: 2

Nose

Factor: 1

Chin

Factor: 1

Chest & Upper Back

Factor: 3

Ready to Grade

Select the most severe lesion type for each anatomical region to calculate the global acne score.

Guidelines & Evidence

Verified

Last Review: 2026-07-17

When to Use

Objective, quantitative assessment of acne vulgaris severity based on lesion type and anatomic location.

Tracking disease progression and response to topical or systemic therapy over time.

Standardization of acne severity in clinical trials.

Justifying escalation of therapy (e.g., initiating oral isotretinoin for severe or refractory cases).

Last Comprehensive Review: 2026-07-17

Global Acne Grading System: Quantitative assessment of anatomical acne severity.

Forehead

Factor: 2

Right Cheek

Factor: 2

Left Cheek

Factor: 2

Nose

Factor: 1

Chin

Factor: 1

Chest & Upper Back

Factor: 3

Ready to Grade

Select the most severe lesion type for each anatomical region to calculate the global acne score.

Guidelines & Evidence

Verified

Last Review: 2026-07-17

When to Use

Objective, quantitative assessment of acne vulgaris severity based on lesion type and anatomic location.

Tracking disease progression and response to topical or systemic therapy over time.

Standardization of acne severity in clinical trials.

Justifying escalation of therapy (e.g., initiating oral isotretinoin for severe or refractory cases).

Last Comprehensive Review: 2026-07-17

GAGS (Acne)

Forehead

Right Cheek

Left Cheek

Nose

Chin

Chest & Upper Back

When to Use

When to Use

How it Works

Scoring Components

Clinical Pearls

Severity Scale

Clinical Pearls

Next Steps

Treatment Thresholds

The Evidence

Primary Reference

A therapeutic hierarchy for acne vulgaris: a customized medical approach.

External Links

Origins & History

In Recent Clinical News

GAGS (Acne)

Forehead

Right Cheek

Left Cheek

Nose

Chin

Chest & Upper Back

When to Use

When to Use

How it Works

Scoring Components

Clinical Pearls

Severity Scale

Clinical Pearls

Next Steps

Treatment Thresholds

The Evidence

Primary Reference

A therapeutic hierarchy for acne vulgaris: a customized medical approach.

External Links

Origins & History

In Recent Clinical News