What might cause an itchy head and hair to fall out simultaneously?

Reviewed by Yoshinori Abe, MD

Internal Medicine

An itchy scalp with hair loss can stem from several causes, including fungal infections (such as tinea capitis or ringworm), scalp dysesthesia (a condition involving nerve irritation that causes burning or itching sensations), seborrheic dermatitis, psoriasis, or autoimmune diseases like alopecia areata or lupus that disrupt hair growth.

Because these conditions share overlapping symptoms but require very different treatments, identifying the underlying cause early is critical to preventing further hair loss and long-term scalp damage. Rather than guessing, take a free, instant, online symptom check to get personalized insights into what may be causing your symptoms and clear guidance on your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Having an itchy head and losing hair at the same time can be concerning. One possible cause is a fungal infection. Another possible cause is scalp dysesthesia, which is a condition where the nerves in the scalp are irritated, leading to itching and discomfort. This irritation can sometimes result in hair loss because the scalp is not healthy.

Another potential cause is autoimmune diseases. These are conditions where the body's immune system mistakenly attacks its own tissues, including hair follicles. This attack can lead to hair falling out as the follicles are damaged. Some autoimmune diseases specifically target hair growth, causing both itching and hair loss.

If you are experiencing these symptoms, you can check your symptoms with a free AI-powered tool to help identify potential causes, and then talk to a healthcare provider who can confirm the diagnosis and suggest appropriate treatments.

(References)

Ju T, Vander Does A, & Yosipovitch G. (2022). Scalp dysesthesia: a neuropathic phenomenon. Journal of the European Academy of Dermatology and Venereology : JEADV, 35122352.
Moghadam-Kia S, & Franks AG Jr. (2013). Autoimmune disease and hair loss. Dermatologic clinics, 23159178.
Al-Waili NS. (2001). Therapeutic and prophylactic effects of crude honey on .... European journal of medical research, 11485891.

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