Yes, a dermatologist can check hormone levels for adult acne when your history and exam point to a hormonal cause. According to Aurora Health Care, dermatologists order blood tests in that situation to look for an imbalance driving breakouts Aurora Health Care's hormonal acne page. Hormonal acne means breakouts driven by androgens, hormones such as testosterone that raise skin oil. Aurora Health Care and Cleveland Clinic describe how that excess oil clogs pores and feeds acne-causing bacteria and inflammation.
Medical information disclaimer: This article is for general educational purposes only and does not provide medical advice, diagnosis, or treatment. Always consult a physician or other qualified health professional about symptoms, medications, tests, or treatment decisions.
Table of Contents
- Which signs prompt hormone testing?
- What does hormone blood work measure?
- Do you need labs to start treatment?
- How can test results change treatment?
Which signs prompt hormone testing?
Dermatologists do not test everyone. Kalon Dermatology says selection depends on breakout pattern, cycle timing, onset age, prior treatments, plus signs like excess hair or irregular periods Kalon Dermatology's guide to jawline and hormonal testing.
Aurora Health Care and Cleveland Clinic report hormonal acne is common in adult women. The estimate is about 50% in the 20s, with cases persisting into the 30s, 40s and 50s. Typical sites are the jawline, chin, chest, shoulders and back.
- breakouts along the jawline and chin
- flares tied to the menstrual cycle
- excess hair growth or irregular periods
- later onset or acne that resists prior treatment
What does hormone blood work measure?
When testing is indicated, the workup usually looks beyond testosterone alone. The Cleveland Clinic Journal of Medicine lists total and free testosterone, DHEA sulfate, androstenedione, SHBG, LH, FSH, and prolactin as a common androgen panel.
SHBG is a blood protein that binds testosterone, while LH, FSH and prolactin help show whether ovary or pituitary signals are involved. Dermatologists read these values with your exam and history, not alone. The dermatologist uses the results with breakout pattern and cycle history to decide next steps.
Do you need labs to start treatment?
Blood work is not automatic for adult acne. Kalon Dermatology notes many patients can start effective treatment without labs when the clinical pattern is clear.
That often means treating visible acne first while watching for cycle-linked flares or poor response. If breakouts persist, shift with new hair growth, or follow irregular periods, labs become more useful.
How can test results change treatment?
Hormone assessment matters because it can point therapy toward anti-androgen options or referral for PCOS or endocrine evaluation. Guideline Central's summary of the 2024 American Academy of Dermatology acne guideline conditionally recommends combined oral contraceptive pills and spironolactone for appropriate patients Guideline Central's summary of the AAD acne guideline.
Your dermatologist may also coordinate with primary care or endocrinology if periods are irregular or excess hair is present. Bring cycle dates, a list of prior acne treatments, current birth control, and notes on hair changes to the visit.