The average person has up to 150,000 scalp hairs, and it is normal to lose 100 or more scalp hairs each day. Hair cycles between 3 stages of growth: anagen, catagen and telogen.  Many things can alter normal hair cycling and can promote hair loss and thinning. Hair loss (alopecia) can be caused by a combination of certain illnesses, medications, dietary changes, stress, hormonal changes and other environmental and hereditary factors.


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Alopecia Diagnosis Puget Sound Dermatology
Alopecia Diagnosis Puget Sound Dermatology (2)

Types Of Alopecia

There are many causes and types of alopecia. Hair diseases and disorders are varied and may be accompanied by the following signs and symptoms depending on the type of hair loss pattern:

  • Non-scarring alopecia involves localized or diffuse loss of hair (scalp or other sites). Receding hairline, broken hairs, smooth scalp, inflammation, and possibly loss of lashes, eyebrows, or pubic hair may be features of this kind of hair loss. Some examples are Alopecia Areata and Telogen Effluvium.
  • Scarring alopecia is limited to particular areas and involves inflammation at the edge and follicle loss toward the center of lesions, violet-colored skin abnormalities, and scaling. Some examples include discoid Lupus Erythematosus, Lichen Planopilaris and Central Centrifugal Scarring Alopecia.

Meet Our Providers

Our providers continue to maintain the highest levels of accreditation and progressive ongoing education to learn and understand the latest developments in medical dermatology. Each provider's education and bio can be viewed below.


Melanie Kuechle, MD

Dr. Kuechle is a native of Texas and a graduate of Baylor University College of Medicine. She completed her dermatology residency at...


Dr. Jill McKenzie

Dr. Jill McKenzie graduated from Washington State University with her Bachelor of Science degree, Magnum Cum Laude.  She attended the University of...


Ame Phitwong

Ame is a board certified Adult-Gerontology Primary Care Nurse Practitioner who has worked entirely...


Dr. Craig Birkby

Dr. Craig Birkby has been a leader in the treatment of skin cancer in the Seattle area for over 20 years. He attended medical school at...