Hair Loss in Children: Causes and When to See a GP
Hair loss in children is common, and in most cases it is temporary and has an identifiable cause. The usual explanations are a scalp infection, a patchy autoimmune condition, hair being pulled out by the child, tension from tight styles, or a shed following an illness or fever. What matters is that a child with new hair loss should be seen by a GP rather than managed at home, because the right answer depends entirely on which of those it is.
Please read this first. This page is general information written by a hair care company, not medical advice. Hair loss in a child should always be looked at by a GP. Do not use adult hair products, supplements or remedies on a child's scalp, and do not wait to see whether it settles on its own.
Key takeaways
- Most causes are temporary and the hair grows back once the cause is dealt with.
- The single most common cause in school age children is a fungal scalp infection, which is contagious and needs a GP. It will not clear with shampoo from a shop.
- Round, smooth, completely bare patches that appear quickly point to alopecia areata, an autoimmune condition.
- Broken hairs of uneven length in an irregular patch often mean the hair is being pulled or twisted, sometimes without the child realising.
- A heavy, all over shed two to three months after a fever, illness or operation is usually the hair cycle resetting, and it settles.
- Tight braids, buns and ponytails cause tension loss at the hairline, which becomes permanent if it goes on for years.
- Never use adult hair loss products on a child. Never give supplements without a GP saying so.
What are the common causes of hair loss in children?
The list below covers most of what a GP will consider. It is here so you know what to look for and what to describe, not so you can work it out yourself.
| Cause | What it tends to look like | Typical outlook |
|---|---|---|
|
Scalp ringworm (tinea capitis, a fungal infection) |
Scaly, flaky or crusted patches, often itchy, with broken stubbly hairs. Sometimes a boggy swollen lump. Frequently mistaken for dandruff. | Clears with the right medicine from a GP and the hair grows back. Needs prompt attention as it is contagious and can scar if left. |
| Alopecia areata | One or more round or oval patches, completely smooth and bare, appearing over days or weeks. Skin looks normal, not scaly. | Unpredictable. Many children see the hair grow back within a year, some relapse. A GP referral is the right route. |
| Traction from tight styles | Thinning at the hairline, temples or along partings, sometimes with small bumps. Follows tight braids, beads, buns or ponytails. | Fully reversible early. Becomes permanent if the tension continues for years. |
|
Hair pulling (trichotillomania) |
An irregular patch with hairs broken at different lengths rather than a smooth bare area. Often on the side of the dominant hand. | Needs a supportive, non punitive approach and GP input. Hair grows back once pulling stops. |
| Telogen effluvium | Diffuse all over thinning, lots of whole hairs coming out at once, starting two to three months after a fever, illness, operation or major stress. | Self limiting. Density usually recovers over six to twelve months. |
| Newborn hair shedding | Thinning in the first few months of life, often at the back of the head from lying down. | Entirely normal. It resolves on its own. |
| Nutritional or thyroid causes | Gradual thinning alongside tiredness, poor growth, weight change or a very restricted diet. | A GP can arrange blood tests. Never supplement a child on a hunch. |
When should you see a GP about hair loss in children?
Straight away, in practice. There is no version of this where waiting is the better option, because the two most common causes both do better the sooner they are looked at. Contact your GP promptly if you see any of the following: a scaly, crusty, itchy or swollen area of scalp, a bald patch of any size, broken stubbly hairs, redness or pus, hair coming out in noticeable amounts, or thinning alongside tiredness, weight change or slowed growth. Also see a GP if your child is distressed about it, because that matters in its own right.
Two things help enormously at the appointment. Take clear photographs of the patch in good light, taken a week or two apart if you have them, since the scalp may look different by the time you are seen. And write down when you first noticed it, whether anyone else in the house or class has anything similar, any recent illness or fever, and what hairstyles your child wears.
Is it hair loss, shedding or breakage?
These three words describe different things and telling them apart helps you describe what you are seeing. Hair loss means the follicle itself is affected, as in alopecia areata, and the skin is left smooth and bare. Shedding means whole hairs are leaving the scalp with a small pale bulb still attached, which is the hair cycle working, and a sudden increase in it is usually telogen effluvium. Breakage means the strand is snapping partway along, so you find short stubbly pieces of uneven length with no bulb, which is what tension, pulling and fungal infection tend to produce.
Look at a few of the hairs that come away. A bulb at the root means shedding. A blunt or frayed end with no bulb means breakage. That one detail is genuinely useful information for a GP. Our general guide to what causes telogen effluvium explains the shedding timeline in more depth, though it is written for adults.
Why is scalp ringworm so often missed?
Because it looks like dandruff. Parents see flaking, reach for an anti dandruff shampoo, and the flaking carries on while the patch quietly enlarges. Scalp ringworm is a fungal infection rather than a dryness problem, and no shampoo bought off a shelf will clear it. It requires medicine from a GP taken by mouth, because topical products cannot reach the fungus inside the hair shaft.
It is also contagious, and it spreads through shared hats, hairbrushes, combs, pillows, towels and sometimes from pets. If it is confirmed, everyone in the household usually needs checking, brushes and combs should not be shared, and the school or nursery will want to know. None of this is a reflection on hygiene at home. It is extremely common in school age children.
How should you handle a child's hair day to day?
Once a GP has established what is going on, gentle handling helps in every case and harms in none. The principles are the same as for adults, just with less force and more patience.
- Keep every style loose. If your child says it hurts, it is too tight. Headaches after braiding, bumps along the hairline, or crying during styling are all signs to loosen it.
- Rotate styles. Do not keep the parting and the tension in the same place week after week.
- Take styles down on time. Braids and beads should not stay in for months, and heavy beads add constant pull.
- Detangle on damp, conditioned hair. Sections, wide tooth comb, start at the ends. Never drag a brush through dry knots.
- Use a mild children's shampoo. Wash the scalp, not the lengths, and do not scrub with fingernails.
- Satin pillowcase or bonnet at night if your child will tolerate it, especially with coily or curly hair.
- Do not share brushes, combs, hats or towels while any scalp problem is being looked into.
What not to do matters just as much. Do not use adult hair loss products, growth serums, essential oils or home remedies on a child's scalp. Do not start vitamins or supplements unless a GP has advised it, because some are genuinely harmful to children in excess. And do not use an anti dandruff shampoo as a substitute for having a flaky patch looked at.
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How do you support a child who is upset about it?
The emotional side is frequently the harder part, particularly with alopecia areata where there is no timeline anyone can promise. A few things help. Answer questions plainly and at their level, because children usually imagine something worse than the truth. Tell the school, so staff can head off teasing rather than react to it. Let the child decide about hats, scarves or wigs rather than deciding for them. Avoid making the mirror a daily event, since checking a patch every morning keeps everyone anxious.
Alopecia UK and Great Ormond Street Hospital both publish good material written specifically for children and families, and the charity runs support groups. If your child's mood, sleep or willingness to go to school is affected, tell the GP, because that is as much a part of the picture as the scalp is.
If the cause is hair pulling, the approach that works is calm and supportive rather than punitive. It is usually a self soothing habit rather than defiance, and telling a child off for it tends to make it more private rather than less frequent. A GP can refer on to the right kind of help.
Will the hair grow back?
In most cases, yes. Ringworm resolves with the right medicine and the hair returns, provided it has not been left long enough to scar. Telogen effluvium recovers on its own over six to twelve months. Traction loss recovers fully if the tension stops early enough. Hair pulling recovers once the pulling stops. Alopecia areata is the genuinely unpredictable one, and honesty is better than false reassurance here, since many children see the hair return within a year while others have a longer or relapsing course.
Give any recovery months rather than weeks. Hair grows roughly a centimetre a month, so new growth arrives as fine, sometimes pale, short hairs long before it looks like hair again. That fine new growth is a good sign, not a new problem.
A note on our products
We sell cosmetic hair care for adults and we are not going to sell it to you for a child's scalp problem. Nothing on our shelf is the answer to hair loss in children, and the right first step is a GP appointment. If you are here because your own hair has changed rather than your child's, our guide to the three clue thinning self check and the everyday habits that protect your hair are the useful reads.
Watermans products are 100% cosmetic and do not treat medical hair loss. Individual results may vary.
Frequently asked questions
Is hair loss in children normal?
It is common, and most causes are temporary with an identifiable reason behind them. It is not something to ignore, though. Any new bald patch, scaly area or noticeable thinning in a child should be seen by a GP.
Can stress cause hair loss in children?
Yes, indirectly. A significant physical or emotional event, including a high fever or an operation, can push many follicles into the resting phase at once, with the shed appearing two to three months later. It usually settles on its own.
Can I use my own shampoo on my child's scalp patch?
No. Adult hair loss products and medicated shampoos are not intended for children, and an anti dandruff shampoo will not clear a fungal infection. Use a mild children's shampoo and see a GP about the patch.
Is a bald patch in a child contagious?
It depends on the cause. Scalp ringworm is contagious and spreads through shared brushes, hats, towels and pillows. Alopecia areata is not contagious at all. This is one of the reasons a GP visit matters, since the two look quite different but are handled entirely differently.
My baby has a bald patch at the back of their head. Should I worry?
Usually not. Newborns shed their first hair in the early months, and a flattened bald area at the back is common from lying down. It fills in. Mention it at a routine check if you are unsure.
Can tight braids cause lasting hair loss in children?
Yes, if the tension continues over years. Early traction loss recovers completely once the pulling stops, but repeated tight styling in the same place can eventually damage the follicle permanently. Keep styles loose, rotate the parting, and take them down on time.
Should my child take hair vitamins?
Not unless a GP has advised it. Some vitamins are harmful to children in excess, and supplements only help where something is genuinely low. A GP can arrange blood tests if there is reason to.
How long before hair grows back?
Months rather than weeks, and it depends on the cause. Expect fine, short, sometimes pale new hairs first. Hair grows around a centimetre a month, so give it three to six months before judging progress.
Conclusion
Hair loss in children is common, usually temporary, and almost always has a cause a GP can identify. Look at whether the patch is smooth and bare, scaly and broken, or irregular with hairs of different lengths, photograph it, note when it started and what hairstyles your child wears, and see your GP rather than waiting. Keep styles loose, handle hair gently on damp conditioned hair, and do not reach for adult products, supplements or home remedies. Most children grow their hair back, and the two things that speed that up are seeing someone early and taking the tension off.
Sources and references
- NHS, Ringworm and other fungal infections, on scalp ringworm in children, how it spreads, and why it needs medicine from a GP rather than shampoo.
- NHS, Alopecia areata and hair loss, on patchy autoimmune hair loss and the typical course.
- Great Ormond Street Hospital, information for families on hair loss and alopecia in children.
- Alopecia UK, resources for children, young people and their families, including school support.
- DermNet, Tinea capitis and Traction alopecia, on the clinical appearance of fungal scalp infection and of tension related loss.
- British Association of Dermatologists, public information leaflets on alopecia areata and trichotillomania.
