Hair thinning

Does hair loss run in families?

If a relative has lost hair, it is easy to start looking for signs that the same thing will happen to you. Family history can be useful information, but it is not a timetable. Your own hair changes still deserve to be considered in their own context.

A CLEAR STARTING POINT

Pattern hair loss can be inherited, with genes from either side of the family contributing. Relatives can differ in when and how their hair changes. Family history alone cannot establish the cause of a new symptom or predict your individual outcome.

Family history
Can include either side of the family
Prediction
A relative's timeline is not your own
Current concern
Still needs its own assessment

Is inherited hair loss only passed down through my mother's side?

No. DermNet explains that susceptibility to male pattern hair loss can be inherited from both parents and involves several genes. The simple rule that you should only look at one side of the family does not capture that complexity.

If you know something about either side, mention it. If you do not, that is also fine. You do not need to research a family tree or find photographs of relatives before arranging an assessment of a change in your own hair.

Does hereditary hair loss affect women too?

Yes. The AAD describes hereditary hair loss in both men and women, commonly called male or female pattern hair loss. The term describes a recognised process rather than a sign that someone has failed to care for their hair.

When discussing family history, include relatives whose hair became less full even if nobody called it hair loss. Still keep their experience separate from yours. A family resemblance can be relevant information without being enough to explain your own symptoms.

Will I lose hair at the same age as a relative?

Not necessarily. DermNet describes differences in age of onset, pattern and severity between family members. A parent's or sibling's experience is not a reliable personal deadline or a measurement of how quickly you will change.

Rather than planning around an assumed age, record what you can actually observe now. If nothing has changed but you are concerned about the future, explain that clearly too. A conversation about a current symptom is different from asking for a prediction.

Would a genetic test tell me what will happen?

DermNet notes that genetic testing to predict balding is unreliable. A result should not be treated as a promise about whether, when or how much hair you will lose, or as an automatic reason to buy a treatment course.

Before paying for a test, ask what it can establish and what you would do differently because of the result. It is reasonable to want a clear explanation of its limitations, including how the result relates to your actual history and scalp assessment.

What family details are useful at an appointment?

Keep it simple: which relatives had a similar change, roughly when it became apparent and what you actually know about any diagnosis. Distinguish a confirmed condition from a family description such as ‘their hair became thin after an illness.’

Avoid assuming that every relative's hair loss had the same cause. If the information is incomplete, say so. The appointment can still focus on your own timeline, the areas affected and any other symptoms or advice relevant to your situation.

Should family history make me start treatment immediately?

Use it as information for an assessment, rather than as a reason to choose a product before knowing what you are trying to address. Ask what the current findings suggest and which options, if any, are appropriate for your circumstances.

If you later consider a clinic service, ask how the evidence relates to your diagnosis and what the plan would aim to achieve. You can also ask about observation and review. A family history should not remove your opportunity to understand the choices or take time to decide.

FROM OUR HEREFORD CLINIC

A conversation starts with you.

When you speak with us, start with your own experience: what looks or feels different, when you noticed it and what matters to you. Bring any medical advice you have already received. We can explain our services and their limits before you decide whether an appointment fits.

Ask your question

Sources & references

  • DermNet: male pattern hair loss and heredity
  • American Academy of Dermatology: causes of hair loss

This guide provides general information. It does not diagnose a hair or scalp condition or confirm suitability for treatment.