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Causes & diagnosis

Hirsutism means coarse, dark hair growing in a male-like pattern, such as on the chin, upper lip, chest or stomach. It is common, affecting roughly 5 to 15 in 100 women, and usually has a hormonal cause. These articles explain why it happens, how doctors diagnose it and when hair growth is a sign to get checked quickly.

Start here

  • What is hirsutism?
  • What causes hirsutism?
  • Take the hirsutism self-check
  • How hirsutism is diagnosed
  • Virilization: when to see a doctor quickly

Hirsutism and Menopause: Why Facial Hair Increases and What Helps

October 13, 2026January 27, 2019 by Kathrin
Illustration for: Hirsutism and Menopause

Hirsutism and menopause: why chin and facial hair often increase after menopause, which warning signs need checking, and what treatments work.

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Hirsutism vs PCOS (PMOS): What Is the Difference?

October 13, 2026January 27, 2019 by Kathrin
Illustration for: What is the Difference between Hirsutism and PCOS? 

What is the difference between hirsutism and PCOS (now PMOS)? Hirsutism is a symptom; PMOS is the most common cause. How they connect and differ.

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How Is Hirsutism Diagnosed? Blood Tests, Ultrasound and Labs

October 13, 2026January 27, 2019 by Kathrin
Illustration for: Diagnosing Hirsutism: Blood Tests, Ultrasound, and Other Labs

How hirsutism is diagnosed: the Ferriman-Gallwey exam, which blood tests to expect, when ultrasound or scans are needed, and how to get accurate results.

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Hirsutism in Babies, Kids and Teens: What’s Normal and When to Worry

October 11, 2026January 1, 2019 by Kathrin
Illustration for: Hirsutism in Babies, Toddlers and Kids

Hirsutism in babies, kids and teens: normal baby hair, early pubic hair, precocious puberty, PMOS in teens, treatment and when to see a pediatrician.

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Drugs That Can Cause Hirsutism: 9 Medicines to Know

October 13, 2026December 14, 2018 by Kathrin
Illustration for: 10 Drugs That Can Cause Hirsutism

Which drugs can cause hirsutism or extra hair growth? Testosterone, anabolic steroids, danazol, valproate, minoxidil, cyclosporine and phenytoin, explained.

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Can Hirsutism Be Cured Permanently? What Is Reversible

October 12, 2026December 14, 2018 by Kathrin
Illustration for: Can Hirsutism Be Cured Permanently?

Can hirsutism be cured permanently? For most women it can be controlled, not cured. See when it goes away, what is reversible, and what works best.

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What Is Virilization? Signs, Causes and When to Worry

October 13, 2026December 13, 2018 by Kathrin
Illustration for: What Is Virilization?

Virilization means male-type changes in women, such as a deeper voice and an enlarged clitoris. Learn the signs, causes, tests and when to see a doctor.

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What Causes Excess Testosterone in Females? Signs and Causes

October 13, 2026December 11, 2018 by Kathrin
Illustration for: What Causes Excess Testosterone in Females?

What causes excess testosterone in females? PMOS (formerly PCOS) is the most common cause. Learn the signs of too much testosterone, tests and treatments.

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Hirsutism and Cushing’s Syndrome: Signs, Tests and Treatment

October 12, 2026December 6, 2018 by Kathrin
Illustration for: Hirsutism and Cushing's Syndrome

Can Cushing’s syndrome cause hirsutism? Yes, but rarely. Learn the signs that set it apart from PMOS (formerly PCOS), when to test, and treatment options.

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Can Hirsutism Be Blonde? Light Hair, Peach Fuzz and Treatment

October 12, 2026November 26, 2018 by Kathrin
Illustration for: Can Hirsutism Be Blonde?

Can hirsutism be blonde? How to tell coarse hirsutism from peach fuzz, what causes it, and why laser works poorly on light hair while electrolysis works.

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