Cold Hands and Feet in a Baby

When to get help

Cold hands and feet mean two completely different things depending on the rest of the baby, so start here.

Call emergency services now — 999 in the UK, 112 or 999 in Ireland and across the EU, 911 in the US and Canada, 000 in Australia, 111 in New Zealand — if cold hands and feet come with any of these: skin that looks mottled, ashen, blue or grey, a rash that does not fade when you press a glass against it, a baby who will not wake or does not stay awake, a weak, high-pitched or continuous cry, grunting, or a temperature below 36°C. NICE guideline NG254 lists every one of those in the high-risk column of its table for stratifying risk of severe illness or death from sepsis in children under five.

Seek urgent same-day advice — NHS 111 in the UK, your GP or out-of-hours service in Ireland, your paediatrician in the US or Canada, healthdirect on 1800 022 222 in Australia, Healthline on 0800 611 116 in New Zealand — if your baby is unwell and has cold hands or feet, because NICE NG254 lists cold hands or feet as a moderate-to-high-risk criterion in an under-five with suspected sepsis. The same applies to a baby under three months with a temperature of 38°C or higher, which NG254 and NG143 both treat as high risk, or a baby aged three to six months at 39°C or higher.

None of that applies to a comfortable, feeding, alert baby whose only unusual feature is chilly fingers. That baby is almost always fine.

Why a well baby has cold hands

A baby's circulation keeps the core supplied first. The blood vessels in the hands and feet narrow readily, so the extremities run cooler than the trunk, and they do it faster and more visibly than in an adult. Add a large surface area relative to body size, thin skin and very little insulating fat and you get a baby whose fingers feel cold in a room where you are perfectly comfortable.

This is at its most obvious in the first weeks, and it is not a sign that your baby is cold overall. Newborn hands and feet can also look faintly dusky or bluish for the same reason. On its own, with pink lips and a warm chest, that is a circulation pattern, not a warning.

Check the chest, not the hands

The practical test is the back of your hand on your baby's chest, tummy or the back of the neck. If that skin feels comfortably warm and dry, your baby is warm enough, however cold the fingers are. If the chest feels cold, add a layer. If it feels hot or sweaty, take one off.

Two mistakes follow from judging by the hands. The first is over-wrapping: parents feel cold fingers, add a blanket, and end up with a baby who is too warm, which matters because overheating is one of the recognised risk factors for sudden infant death. The second is misreading illness: a baby who is genuinely shutting down peripheral circulation because they are seriously unwell has cold hands alongside other signs, and no amount of extra clothing fixes that.

Cold hands with a fever

The combination that worries clinicians is a hot trunk with cold hands and feet. It is one of the signs the Meningitis Research Foundation asks parents to look for in meningitis and sepsis, alongside a non-blanching rash, unusual drowsiness, a stiff neck, a dislike of bright light and a bulging soft spot. NICE NG254 keeps cold hands or feet as a moderate-to-high-risk criterion in a child under five with suspected sepsis.

Read that as a threshold for asking, not a diagnosis. Plenty of babies with an ordinary virus have a high temperature and cool fingers for an hour. But the fact that it appears in national guidance is your permission to ring for advice rather than talk yourself out of it, and to ring again if your baby looks worse than when you last called.

What the thermometer is actually for

Take the temperature from the armpit with a digital thermometer if your baby is under five, which is what the NHS advises; forehead strip thermometers are not accurate enough to base decisions on. The number matters most at the extremes of age. NICE NG143 says a baby under three months with a temperature of 38°C or higher is in a high-risk group for serious illness, and a baby of three to six months at 39°C or higher is in at least an intermediate-risk group. Above six months, NG143 is explicit that the height of the temperature alone should not be used to identify serious illness.

A low reading counts too. NICE NG254 lists a temperature below 36°C as a high-risk criterion at any age under five. Small babies can respond to a serious infection by getting cold rather than hot, which is exactly why cold hands on a floppy, poorly-feeding newborn is not something to sleep on.

Dressing and room temperature

Aim for a room between 16 and 20°C for sleep and dress your baby in one more layer than you are comfortable in, indoors. Socks or scratch mitts are fine for comfort, but they are not solving anything medical. Outdoors in the cold, cover the head, hands and feet, and remember to take the outdoor layers off once you are inside or in a warm car, because a snowsuit in a heated room overheats a baby quickly.

Do not use hot water bottles, wheat bags or heat pads to warm a baby, and do not place a cot next to a radiator. If you want to warm cold hands, skin-to-skin contact on your chest under a blanket does it safely and settles most babies at the same time.

The question to ask yourself

Strip it back to one comparison. Is this a happy baby with cold fingers, or a baby who is not themselves and happens to have cold fingers? Feeding, alertness and the number of wet nappies answer that faster than any thermometer. NICE NG254 even lists parent or carer concern that the child is behaving differently from usual as a moderate-to-high-risk criterion in its own right, which is national guidance telling you that your sense that something is off is evidence worth acting on.