honeypot link
skip to main content
skip to main content
Professional
Consumer
Merck Manual
Professional Version
MEDICAL TOPICS
RESOURCES
DRUG INFO
NEWS
PROCEDURES
QUIZZES
ABOUT US
Professional
/
Dermatologic Disorders
/
Hair Disorders
/
Hair Disorders
Expand all
Collapse all
Alopecia
Pathophysiology
Growth cycle
Classification
Etiology
Etiology reference
Evaluation
History
Physical examination
Red flags
Interpretation of findings
Testing
Treatment
Androgenetic alopecia
Hair loss due to other causes
Treatment references
Key Points
Alopecia Areata
Diagnosis
Prognosis
Treatment
Treatment reference
Hirsutism and Hypertrichosis
Pathophysiology
Etiology
Evaluation
History
Physical examination
Red flags
Interpretation of findings
Testing
Imaging
Treatment
Topical treatments
Hormonal treatment
Key Points
Pseudofolliculitis Barbae
Diagnosis
Treatment