- Where Children Tend to Be Bitten
- What Else It Could Be
- Checking a Child’s Bed
- Looking After the Bites
- Keeping It to One Room
Parents usually spot the marks first at breakfast or bath time. The instinct is to strip the bed and move the child in with you. Before either, it helps to know what bedbug bites tend to look like, where they turn up, and why the marks on their own cannot settle the question.
Where Children Tend to Be Bitten
Bedbugs feed on skin that is uncovered while someone sleeps. On a child that is often the face, neck, arms and hands, and the legs and feet if they kick the covers off. Marks under pyjamas are less typical, though not impossible.
The bites are often grouped together or in a short line, because one bug may feed several times close by. They may appear the next morning or a few days later. Some children react strongly, with raised, itchy welts. Others show nothing, even when their sister in the same room is covered.
What Else It Could Be
Plenty of things leave red marks on children. Mosquitoes and other biting insects in summer, fleas from a pet, heat rash, eczema flaring, a reaction to a new washing powder and common childhood infections can all look similar to a worried parent at seven in the morning. Our guide to bedbugs or something else covers the insects that are most often confused with them.
That is why we ask about the bed rather than the bites. Bedbugs leave evidence where they live, and a child’s bed can be checked in a few minutes of careful looking.

Checking a Child’s Bed
- Take the bedding off and look along the mattress seams and piping with a torch.
- Check where the mattress meets the frame, and the joints and slats underneath.
- Look at the headboard, the back of any bedside unit and the edge of the carpet.
- Look at cot bumpers, soft toys and anything kept on or under the bed.
- Keep anything you find in a jar or on tape so it can be identified.
You are looking for small dark spots like pen dots, pale cast skins, tiny pale eggs, and the bugs themselves. Our guide on whether bedbugs are visible to the naked eye explains what each looks like and how easy they are to miss.
Looking After the Bites
Most bites settle on their own. For itching or a reaction that is bothering a child, ask a pharmacist or your GP what is suitable for their age before using anything on their skin. Keep nails short so scratching does less damage, and see a GP if a bite looks infected: hot, spreading, weeping or getting worse rather than better.
Call 999 if a child shows signs of a severe allergic reaction, such as swelling of the face, lips or throat, or difficulty breathing. That is rare, but it is an emergency.
Keeping It to One Room
However tempting, try not to move the child into your bed or onto the sofa. Bedbugs follow the person, and a second bed usually becomes a second problem. Keep the room as it is, hot-wash the bedding and ring us.
When a room is treated, we tell you what to do on the day and when the child can go back in, and it is important to follow that. The Hillingdon page explains how heat and chemical treatment fit around a family, and an inspection from £120 confirms things first if you are unsure.
Related Questions
Can bedbugs make a child ill?
Bedbugs are not known to pass on disease. The bites can itch, disturb sleep and become infected if scratched, so speak to a pharmacist or GP if they are bothering your child.
Only one of my children has bites. Does that mean it is not bedbugs?
No. People react very differently, and some show no marks at all. Check every bed in the room rather than going by who has bites.
Should I throw the cot mattress away?
Not unless we advise it. Carrying it through the house can spread them, and a new mattress in an untreated room picks them straight back up.
When can my child sleep in the room again?
After heat, once the room has cooled. After chemical, once the surfaces are dry. We tell you on the day, and it is important to follow those instructions.
More Bedbug Advice for Hillingdon
Written up in full for people in the borough, and worth reading before the treatment day.

Bedbugs From a Plane?
The honest risk from the seat and the cabin bag, the bigger one at your destination, and getting home clean.
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Can You See Bedbugs?
What adults, nymphs and eggs look like by eye, what a torch and magnifier add, and why they get missed.
Read more →
How Far Do Bedbugs Travel?
Why most stay near the bed, what pushes them further, and how that decides which rooms are treated.
Read more →
Telling a New Tenant About Bedbugs
What records help, what to say to someone moving in, and why being straight with them pays off.
Read more →Bedbug Control Across Hillingdon
Each area page is written around one situation we deal with.
Bedbug Treatments in Hillingdon
Every service has its own page for Hillingdon: heat, chemical, hotels, commercial premises and inspections.
Tell Us About the Property
Tell us what you have seen and where, and we will tell you what it needs.