Why is my hair thinner on one side?

Question

I am 46, and for the last 10 plus maybe 20 years I have noticed that the entire right side of my head has much thinner hair than the left. In fact, I would say the left side is twice as thick. As I get older, it is obviously more noticeable. When my hair gets longer it is really bad.....I am just wondering if I am the only person to ever experience this. If you take a line and basically divide my head in to 2 sides, the right has half as much hair. Front front to back and side.

Jason Emer, MD · Answer

Hair loss can start more on one side then another, just like there can be hair loss in the front or crown of the head.  I suggest seeing a hair loss expert to evaluate and go over your condition and provide you information about your best treatment options. There are great non-invasive options like PRP/progesterone and/or hair transplantation. See an expert. Best, Dr. Emer

Sara Wasserbauer, MD · Answer

This is quite common. Very rarely does one lose hair symmetrically. We see this all the time and there’s no rhyme or reason it happens in that fashion.

Larissa Miller, MD · Answer

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Please, remember it's always safer to see your doctor for concerns.

Robert Nettles, MD · Answer

We do quite frequently see patients who have significantly more hair loss on one side of the head than the other as part of their progression with Androgenetic Alopecia.  However to rule out other causes I would definitely recommend seeing a specialist who will perform a digital microscopy and blood tests to understand completely what is causing your hair loss.  Unless you get to the bottom of the cause, you cannot stop and therefore any regrowth treatment will be only temporarily effective and just delay the inevitable.

William Rassman, MD (retired) · Answer

You need to be examined by a doctor specializing in hair. I would start off doing a HAIRCHECK measurement to see just how much the difference really is

Why is my hair thinner on one side?

Answers (5)

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