Are there other causes of hair loss?
Yes, many. Androgenetic alopecia should present as progressive hair loss in a predictable pattern, in the absence of other symptoms.
Signs that you should see a doctor are:
1) Hair loss which is rapid
2) Hair loss occurring in an unpredictable or irregular pattern (eg. Asymmetrical, patchy, or all over)
3) Additional symptoms, including but not limited to: general skin changes or rashes, pains in the joints or elsewhere, changes to your weight, or not feeling your usual self
4) If you’re concerned or want to start treatment – it is always better to be safe and see a medical professional if you have concerns
Other causes of hair loss (a non-exhaustive list):
1) Alopecia areata – when your immune system attacks your hair, resulting in patchy hair loss.
2) Alopecia totalis – when your immune system attacks your hair, resulting in total hair loss across the scalp
3) Alopecia universalis – when your immune system attacks your hair, resulting in in total hair loss across your head, eyebrows, eyelashes and entire body
4) Telogen effluvium – General shedding of the hair 2-3 months after a significant shock to the body, such as surgery, illness, extreme weight loss, accidents or psychological stress
5) Traction alopecia – hair loss caused by excessive strain on hair follicles from certain hairstyles, such as cornrows or extensions
6) Trichotillomania – caused by obsessive behaviours including pulling, twisting or tugging at one’s own hair
7) Scarring alopecia – as the name suggests, results in scars in place of the lost hair, and can be caused by a huge range of conditions such as psoriasis, systemic lupus erythematosus (AKA lupus) and lichen planus
8) Thyroid disorders
9) Medications – including but not limited to certain drugs used to treat cancer, heart problems, high blood pressure, gout and depression
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