What should you know about hairline male pattern baldness?

Male pattern hair loss is influenced by inherited follicle sensitivity to androgens. Hair at the temples and front may become finer, shorter and less visible over time, while the back and sides can remain fuller. A changing hairline does not by itself prove this diagnosis: shedding after illness, nutritional problems, thyroid disease, scalp inflammation or traction can look different. A clinician may inspect the scalp, ask when the change began, review medicines and check for scaling, pain or broken hairs. See the related pages on Hair Loss, Thinning Hair and Receding Hairline for symptom context.

Take occasional photographs in similar lighting so gradual change is easier to judge, and avoid tight hairstyles or harsh chemical processing if the front hair is fragile. Arrange a dermatology assessment if the recession is progressing or causing concern. Options may include prescription finasteride, topical approaches, low-level laser therapy or a hair transplant, depending on diagnosis, health history and goals. Finasteride requires a discussion of possible adverse effects and pregnancy-related precautions. A transplant redistributes follicles and does not stop untreated thinning elsewhere.

Seek prompt medical assessment for sudden or patchy loss, scalp pain, intense itch, redness, pus, thick scale, smooth bald patches or loss of eyebrows. Rapid shedding with fatigue, weight change or recent illness also warrants evaluation because another condition may be contributing.

Does the pattern fit androgenetic alopecia? Should I have blood tests or scalp examination? Which option matches my health history, and how will we judge whether it is helping?