What can be causing bald spots on the back of the head?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Bald spots on the back of the head are most commonly caused by three conditions: cephalgia alopecia (hair loss linked to chronic headaches), lipedematous scalp (a rare disorder involving a thickened, spongy scalp), and trichostasis spinulosa (a follicular condition where multiple hairs get trapped in one follicle).

Because these causes vary widely in severity and treatment, identifying the right one early matters. A quick, private assessment can help you rule out serious conditions and point you toward the right care. Take a free, instant, online symptom check to better understand your bald spots and confidently plan your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Bald spots on the back of the head can be due to several conditions, including alopecia areata. Cephalgia alopecia is another condition where headaches are linked to hair loss, possibly because of the way pain affects the scalp. Lipedematous scalp is another condition that can cause bald spots. It involves the thickening of the scalp, which can lead to hair loss. Lastly, trichostasis spinulosa is a condition where hair follicles get clogged, leading to the appearance of bald patches.

Possible Causes:

Cephalgia Alopecia: This condition connects headaches with hair loss, particularly affecting the scalp.
Lipedematous Scalp: This involves scalp thickening, which can contribute to hair loss.
Trichostasis Spinulosa: This condition involves clogged hair follicles that can mimic alopecia, creating bald spots.

If you notice bald spots, you can get personalized insights about your symptoms by taking our free AI symptom checker before consulting a healthcare provider for a proper diagnosis and treatment plan.

(References)

Bedrin KO, & Dougherty C. (2020). Cephalgia Alopecia. Current pain and headache reports, 32671496.
Dhurat RS, Daruwalla SB, Ghate SS, Jage MM, & Sharma A. (2019). Distinguishing Lipedematous Scalp .... Skin appendage disorders, 31559257.
Chagas FS, Donati A, Soares II, Valente NS, & Romiti R. (2014). Trichostasis spinulosa of the scalp mimicking Alopecia .... Anais brasileiros de dermatologia, 25054768.

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