neuropathy CT scan preparation

Overview

Neuropathy is damage or disease of nerves. It can cause numbness, tingling, weakness, or pain, usually in the hands and feet. If your doctor thinks a physical problem is causing your nerve symptoms, they may ask you to have a CT scan to look deeper inside your body.

Yes. Many people with neuropathy need imaging tests like CT scans to help find the cause. Neuropathy itself is also common, especially in adults with diabetes.

Neuropathy can affect people of any age, but it becomes more common as you get older. People with diabetes, certain infections, or a family history of nerve problems are more likely to have it.

Symptoms

Common symptoms

• Numbness or reduced ability to feel pain or temperature changes
• Tingling or a pins-and-needles feeling
• Burning, stabbing, or shooting pain in the affected area
• Muscle weakness or twitching
• Loss of balance or coordination

Symptoms in children

• Children may not describe tingling well and may simply say their hands or feet feel funny
• Clumsiness or frequent falls without an obvious cause
• Changes in how they walk
• Reluctance to put weight on certain limbs

Symptoms in older adults

• More noticeable numbness in the feet, increasing risk of falls
• Difficulty feeling the floor, which can affect balance
• Weakness that makes everyday tasks harder
• More frequent injuries because of reduced sensation

Causes

Main causes

• Diabetes (the most common cause)
• Injury or trauma to a nerve or nearby bone or joint
• Infections that affect nerves, such as shingles or Lyme disease
• Pressure from a herniated disc, bone spur, or swollen tissue
• Certain autoimmune diseases that attack nerve tissue

Risk factors

• Diabetes, especially with long-term high blood sugar
• Alcohol use, which can be toxic to nerves
• Vitamin deficiencies, especially vitamin B12
• Kidney or liver disease
• Family history of neuropathy

When to see a doctor

See a doctor urgently if:

• If you have sudden weakness, severe pain, or loss of feeling, seek care the same day.
• If you have diabetes and you notice a new wound on your foot or leg, see a doctor promptly.

Book a routine appointment if:

• If you have ongoing numbness, tingling, or pain that does not go away, make an appointment with your doctor.
• If you have burning or stabbing pain that affects your sleep or daily activities, it is time to get it checked.

Diagnosis

Your doctor will start by asking about your symptoms, your medical history, and your family history. They will also do a physical exam that checks your strength, reflexes, and sensation. If the cause is not clear, they may order a CT scan to look for bone or tissue problems that could press on nerves.

Tests that may be done

• Physical and neurological exam (testing reflexes, muscle strength, and sensation)
• Nerve conduction studies (for nerve function)
• Electromyography (EMG) (for muscle response)
• Blood tests to check for diabetes, vitamin deficiencies, or other conditions
• CT scan of the affected area, such as the neck, lower back, or limbs

What to expect at your appointment

For a CT scan, you lie on a table that slides into a large, doughnut-shaped machine. You may be given contrast dye through a vein to make details clearer. This is usually safe, but tell your doctor about allergies, kidney problems, or any medicines you take. You will be asked to remove metal objects like jewellery and to keep still during the scan. The scan does not hurt, and you can breathe normally. In most cases, you can go home right afterwards.

Treatment

Treatment for neuropathy depends on the cause. If a CT scan shows a physical problem like a trapped nerve, the treatment may focus on that, such as physical therapy or sometimes surgery. If the cause is an underlying condition like diabetes, the treatment centres on managing that condition. Many people also use pain-relief strategies that are safe and non-drug.

Self-care at home

• Keep your blood sugar in a healthy range if you have diabetes
• Protect your feet by checking them daily for cuts, blisters, or sores
• Avoid tight shoes and avoid staying in one position too long
• Try gentle stretching or movement to keep muscles flexible
• Talk to your doctor or pharmacist about safe over-the-counter pain relief options

Medical treatments

Your healthcare team may recommend treatments like physical therapy, occupational therapy, or medicines that help nerve pain. These are always prescribed by a doctor who will consider your individual situation. They may also adjust doses or suggest different options until you find what works. For some people, nerve blocks or other procedures can help when pain is severe.

When is surgery considered?

Surgery may be an option if a nerve is being compressed by a bone, a herniated disc, or a growth, and other treatments have not helped. The decision is made after careful discussion with a specialist.

Living with this condition

With neuropathy, small habits can make a big difference. Check your feet daily, wear comfortable, protective shoes, and avoid extreme hot or cold on numb areas. Use railings on stairs and keep walking paths clear to lower your risk of falls.

Lifestyle tips

• If you drink alcohol, talk to your doctor about how much is safe for you
• Quit smoking, as it can reduce blood flow to the nerves
• Plan your day to include rest and activity
• Use warm baths or heating pads for aching muscles, but be careful with numb areas

Diet and exercise

Eating a balanced diet rich in vitamins, especially B vitamins, supports nerve health. Exercise such as walking, swimming, or gentle stretching can improve circulation and reduce discomfort. Talk to your doctor before starting a new exercise plan.

Mental health and emotional wellbeing

Living with chronic pain or numbness can feel stressful and sometimes lead to anxiety or low mood. It is normal to feel frustrated at times. Talk about your feelings with your doctor or a counsellor, and consider joining a support group.

Prevention

You cannot always prevent neuropathy, but you can lower your risk. Managing diabetes, eating well, avoiding heavy alcohol, and staying active are important steps. If you have vitamin B12 deficiency, getting proper treatment can help prevent nerve damage.

Screening programmes

If you have diabetes, your care team should regularly check your feet and ask about nerve symptoms. This helps catch problems early and prevent serious complications.

Complications

If left untreated

• Foot ulcers or infections that can go undetected because of numbness
• Falls or injuries due to balance problems or weak muscles
• Permanent nerve damage or muscle wasting
• Reduced ability to do everyday tasks

Long-term outlook

With the right care, many people with neuropathy can manage their symptoms and live active, full lives. Finding the cause and treating it can often slow or stop the problem from getting worse. Some people see their symptoms improve quite a bit. Your healthcare team will walk with you at every step.

Find support

International organisations

• The Neuropathy Association

External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.