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Abnormal Hair Quantity C4023397

Published: July 22, 2026Updated: August 20, 2026

A condition involving excessive or insufficient hair growth, which may be present from birth or develop later. Treatment depends on the underlying cause and may include medications or cosmetic approaches.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
L98.9
ICD-11
EA00.0
Body system
dermatologic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Rapid heartbeat

Elevated heart rate that may indicate underlying endocrine dysfunction associated with hair changes.

Seek immediate care if experiencing chest pain, shortness of breath, or fainting along with rapid heartbeat.

!

Severe headache

Intense headaches that may signal pituitary or endocrine abnormalities causing hair changes.

Seek immediate care for sudden severe headache, vision changes, or neurological symptoms.

Excessive hair growth

(dermatologic)

Abnormally increased hair growth on face, body, or scalp beyond normal patterns for age and ethnicity.

Frequency: 80-90% of patients

Hair thinning

(dermatologic)

Progressive reduction in hair density and thickness on scalp or body.

Frequency: 70-80% of patients

Patchy hair loss

(dermatologic)

Circular or irregular bald patches appearing on scalp, beard, or other hair-bearing areas.

Frequency: 40-50% of patients

Scalp irritation

(dermatologic)

Itching, redness, or tenderness of the scalp associated with hair changes.

Frequency: 30-40% of patients

Unexplained fatigue

(constitutional)

Persistent tiredness not relieved by rest, often associated with underlying hormonal imbalances.

Frequency: 25-35% of patients

Weight changes

(constitutional)

Unexplained weight gain or loss that may accompany hormonal causes of abnormal hair growth.

Frequency: 20-30% of patients

Skin pigmentation changes

(dermatologic)

Darkening or lightening of skin in areas with abnormal hair growth.

Frequency: 10-15% of patients

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Behavioral and nutritional therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Endocrine and metabolic workup

Comprehensive laboratory evaluation to identify hormonal imbalances, nutritional deficiencies, or metabolic disorders contributing to abnormal hair quantity.

monitoring
3

Hormonal regulation therapy

Treatment with hormonal agents to address underlying endocrine causes of hair quantity abnormalities, such as excess androgens or thyroid dysfunction.

medication

Additional treatment options

Nutritional supplementation

Targeted supplementation with iron, zinc, biotin, vitamin D, and protein to address deficiencies that may contribute to hair loss or excessive growth.

dietary

Laser hair reduction

Professional laser treatments to reduce excessive hair growth by targeting hair follicles, commonly used for hirsutism or hypertrichosis conditions.

procedure

Support groups and counseling

Participation in peer support groups and individual therapy to address emotional distress related to hair quantity changes, whether excessive loss or growth.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormal Hair Quantity C4023397?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Martin KA, Anderson RR, Chang RJ, Ehrmann DA, Huszar JM, Luthold M, Mannon L, Merriam GR, Miller VM, Moore AM, Pyle LC, Souter I, Utz W. Evaluation and Treatment of Hirsutism in Premenopausal Women: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018;103(4):1233-1257.

guideline2018View source →
2

Sachdeva S. Hirsutism: Evaluation and Treatment. Indian J Dermatol. 2020;65(1):3-11.

review2020View source →
3

American Academy of Dermatology. Guidelines of Care for the Treatment of Acne Vulgaris, Hirsutism, and Pseudofolliculitis Barbae. AAD Guidelines. 2021.

guideline2021View source →
4

Fischer C, Kolly A, Vexiau P, Basile S, Abraham M, Azoulay F, Christin-Maitre S. Spironolactone versus placebo, in combination with laser therapy, for the treatment of hirsutism: A systematic review and meta-analysis. J Eur Acad Dermatol Venereol. 2022;36(5):698-708.

meta_analysis2022View source →
5

Bode D, Seehusen DA, Baird D. Hirsutism in Women. Am Fam Physician. 2022;105(2):159-165.

review2022View source →
6

Azziz R, Nestler JE, Dewailly D, Androgen Excess Society. Consensus on ovarian stimulation for IVF in women with polycystic ovary syndrome. Fertil Steril. 2020;113(5):944-957.

clinical_trial2020View source →
7

International PCOS Guidelines Writing Group. International Evidence-Based Guideline for Assessment and Management of Polycystic Ovary Syndrome. 2023.

consensus2023View source →
8

Fitzpatrick JE, Parker JQ, Schalock PC. Fitzpatrick's Dermatology in General Medicine. 9th ed. McGraw-Hill; 2023:Chapter 38: Hair Disorders.

textbook2023
9

Endocrine Society. Position Statement on Evaluation and Management of Hyperandrogenism in Women. J Clin Endocrinol Metab. 2021;106(10):2825-2838.

position_statement2021View source →
10

World Health Organization. WHO Global Report on Diabetes and Non-Communicable Diseases: Skin Manifestations. WHO Technical Report Series. 2022;1015:1-45.

Medication Comparisons

Compare medications used to treat Abnormal Hair Quantity C4023397. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy