Numbness in children

Overview

Numbness is a loss of feeling in a part of the body. In children, numbness can happen anywhere, but it often affects the hands, feet, arms, or legs. It may feel like pins and needles, or like the body part has 'gone to sleep.' Most of the time it is temporary and harmless, but sometimes it can be a sign of a medical problem that needs attention.

Numbness is fairly common in children, especially after sitting or kneeling in a cramped position for a long time. Most children will experience it at some point, and it usually resolves quickly.

Numbness can affect children of any age. It is more common in school-age children who may sit still for long periods during class or play. It also affects children who are very active or participate in sports where they may bump or press on nerves.

Symptoms

Common symptoms

• Loss of feeling or sensation in a body part
• Pins and needles (tingling) feeling
• A sensation that the body part has 'fallen asleep'
• Weakness in the affected area

Symptoms in children

• Children may complain that their hand or foot feels 'funny' or 'dead'
• They might shake the affected limb or rub it to try to wake it up
• They may have difficulty using the numb part for fine tasks like buttoning a shirt

Symptoms in older adults

• Numbness in older adults often involves the feet or legs and may be related to circulation problems or diabetes
• It may be more persistent and require ongoing management

Causes

Main causes

• Pressure on a nerve from sitting or lying in one position for too long
• Injury to a nerve from a bump, fall, or sports activity
• Cold temperatures that cause blood vessels to narrow
• Tight clothing or accessories (like a watch or backpack strap) pressing on a nerve
• Viral infections that can sometimes affect nerves, such as Guillain-Barré syndrome
• Vitamin deficiencies, especially B12, or other nutritional imbalances

Risk factors

• Being very active in sports that involve repetitive motions (like cycling or gymnastics)
• Having a recent viral illness
• Wearing tight shoes or equipment
• Sitting still for long periods (e.g., during long car rides or in class)

When to see a doctor

See a doctor urgently if:

• Numbness that occurs with weakness, especially on one side of the body
• Numbness after an injury to the head, neck, or back
• Numbness that makes it hard for your child to breathe or swallow
• Numbness that starts suddenly and spreads rapidly

Book a routine appointment if:

• Numbness that keeps happening without an obvious cause
• Numbness that lasts for more than a few minutes, even after moving the body part
• Numbness that interferes with normal activities like writing or playing
• If you notice your child has a tingling sensation that doesn't go away

Diagnosis

A doctor will ask about the numbness – when it started, what brings it on, and if there are any other symptoms. They will also examine your child, checking strength, reflexes, and sensation in the affected area.

Tests that may be done

• Blood tests to check for vitamin levels, signs of infection, or inflammation
• Nerve conduction studies or electromyography (EMG) – tests that measure how well nerves and muscles work
• Imaging tests like X-ray, MRI, or ultrasound if an injury or structural problem is suspected
• Lumbar puncture (spinal tap) only if a serious nerve infection like Guillain-Barré is suspected

What to expect at your appointment

The doctor may ask your child to move their fingers or toes, close their eyes and tell where they feel a gentle touch, or stand on one foot. The tests are painless or have only mild discomfort. Most children will not need many tests – often the history and exam are enough.

Treatment

Treatment for numbness in children depends entirely on the cause. For most temporary numbness from pressure, just moving the body part will restore feeling. If there is an underlying condition, the doctor will treat that condition.

Self-care at home

• Encourage your child to change position often, especially during long periods of sitting
• Gently rub or shake the numb area to help blood flow return
• Apply a warm (not hot) cloth to the area if it feels cold
• Make sure shoes and clothing are not too tight

Medical treatments

If numbness is due to a medical condition, treatment might include vitamins (like B12) for deficiencies, medication to calm overactive nerves, or physical therapy to improve nerve function. For infections that affect nerves, doctors may use treatments to support the immune system. Always follow the doctor's advice and never give any medication without a prescription.

When is surgery considered?

Surgery is very rarely needed for childhood numbness. It might be considered if a nerve is trapped or compressed by a tumor or bone fragment, but this is uncommon.

Living with this condition

Most children with occasional numbness can live a normal, active life. Encourage them to move around during breaks at school or when playing. If numbness is related to a chronic condition, they may need to adapt activities – for example, using padded handlebars or taking breaks during sports.

Lifestyle tips

• Encourage regular physical activity to keep nerves and blood vessels healthy
• Teach your child to listen to their body and change positions when they feel pressure
• Provide a balanced diet with plenty of vitamins and minerals

Diet and exercise

A healthy diet rich in fruits, vegetables, whole grains, and lean protein supports nerve health. Regular exercise helps maintain good circulation. If your child has a condition that limits activity, talk to their doctor about safe exercises.

Mental health and emotional wellbeing

Recurring numbness can be frightening for children and may cause anxiety about their health. Reassure your child that most numbness is harmless. If numbness is chronic or linked to a serious condition, children may need emotional support. Talk to your doctor if you notice your child seems anxious or depressed about their symptoms.

Prevention

Many cases of numbness from pressure can be prevented by encouraging children to change positions often and avoid staying still for too long. Ensuring proper-fitting shoes and clothes also helps. There is no way to prevent all causes, such as infections or genetic conditions.

Vaccines

Some vaccines can prevent infections that rarely cause nerve problems, such as the flu vaccine. Talk to your doctor about recommended vaccinations for your child.

Screening programmes

There is no routine screening for numbness. However, if your child has a condition that puts them at risk for nerve problems (like diabetes), the doctor will check for signs of nerve damage during regular check-ups.

Complications

If left untreated

• If numbness is caused by a serious condition that is not treated, the numbness may become permanent.
• In rare cases, untreated nerve compression can lead to muscle weakness or wasting.
• Severe untreated infections or autoimmune conditions can cause widespread nerve damage.

Long-term outlook

The outlook for children with numbness is very good. Most cases are temporary and resolve without any treatment. Even when numbness is linked to a medical condition, early diagnosis and treatment usually lead to complete recovery or good long-term control. With proper care, most children can continue with all their normal activities.

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