hip pain CT scan preparation

Overview

A CT scan (computed tomography scan) is an imaging test that uses a series of X-rays to create detailed cross-section pictures of your bones and tissues. When you have hip pain, a CT scan of your hip can help your doctor see the bones, joints, and surrounding tissue clearly, making it easier to find the cause of your pain.

CT scans are a common, standard test used across the world to help doctors diagnose and manage hip problems.

Anyone with ongoing hip pain that does not improve, or who has had a hip injury or surgery, may be referred for a CT scan. It is often used for older adults, athletes, and people with suspected hip fractures, arthritis, or joint problems.

Symptoms

Common symptoms

• Dull or sharp pain in the hip, groin, or thigh
• Stiffness in the hip joint, especially in the morning
• Pain that worsens with walking, running, or climbing stairs
• Difficulty putting weight on the affected leg
• Clicking or grinding sensation in the hip

Symptoms in children

• Limping without a clear cause
• Refusing to put weight on one leg
• Pain in the hip, thigh, or knee that is not from an obvious injury
• Unexplained fever with hip pain

Symptoms in older adults

• Hip pain after a minor fall or twist
• Pain in the groin that makes it hard to stand or bear weight
• Increasing stiffness and trouble bending to put on shoes or socks
• Pain that keeps you awake at night

Causes

Main causes

• Arthritis — the wearing away of the cartilage in the hip joint
• A hip fracture or broken bone from a fall or injury
• Inflammation of the tissues around the hip joint (bursitis)
• Tendon or muscle strain from activity or overuse
• Less common causes such as infection or changes in the bone's blood supply

Risk factors

• Getting older, especially over 60
• A past hip injury or surgery
• Repetitive high-impact activities, like long-distance running
• Being overweight or having a family history of arthritis
• Conditions that affect the bones, such as osteoporosis

When to see a doctor

See a doctor urgently if:

• If you have sudden, severe hip pain after a fall or injury and cannot bear weight, seek urgent medical care
• If you have hip pain with a fever, chills, or signs of infection, see a doctor the same day
• If your hip looks deformed or you cannot move your leg normally

Book a routine appointment if:

• If you have persistent hip pain for more than a few weeks that is not improving with rest
• If hip pain is affecting your daily activities, walking, or sleep
• If you have stiffness or pain that has been building gradually over months

Diagnosis

Your doctor will usually start by talking to you about your symptoms, your medical history, and any injuries. They will also examine your hip and how you move. If more detail is needed — for example, to check the bones closely or plan for surgery — they may refer you for a CT scan.

Tests that may be done

• Physical examination — a doctor checks how well you can move your hip and where it hurts
• X-rays — to get a first look at the bones and joint space
• CT scan — to create detailed, cross-sectional 3D images of your hip bones and joints
• Sometimes an MRI or ultrasound, if the doctor wants to look mainly at muscles, tendons, or cartilage

What to expect at your appointment

A CT scan is quick and painless. You will change into a hospital gown and lie on a flat table. The table slides into the scanner, which looks like a large doughnut. You will be asked to hold still and may be asked to hold your breath for a few seconds while the pictures are taken. If your doctor has requested contrast dye, a small needle may be placed in your arm to inject the dye during the scan. The technician will be in the next room watching you and you can talk to them through a speaker. After the scan you can usually go home straight away.

Treatment

Treatment for hip pain depends on what is causing it. Some hip problems respond well to rest, gentle exercise, and physical therapy. Others may need medicines, injections, or in certain cases surgery. Your doctor will explain the options that are appropriate for your situation.

Self-care at home

• Rest the hip by avoiding activities that make the pain worse — but do not stop moving altogether
• Apply a cold pack wrapped in a towel for the first few days after a new injury
• Use a warm bath or heat pack for stiffness, as long as the skin is not hot or swollen
• Try simple pain-relief methods under the guidance of a pharmacist or healthcare provider

Medical treatments

Treatment for the underlying cause may include physical therapy, specialised exercises, or medicines such as anti-inflammatory tablets or creams. Always ask your doctor or pharmacist for advice before taking any medication. In some cases, a doctor may recommend an injection into the joint to reduce inflammation, or other procedures depending on the diagnosis.

When is surgery considered?

Surgery is not usually the first option. It may be considered if you have a broken hip, severe arthritis that has not improved with other treatments, or another structural problem that needs repair or replacement. The decision to have surgery is always made together with an orthopaedic specialist.

Living with this condition

Living with hip pain means finding ways to manage discomfort while staying as active as you can. Small changes — like sitting in a supportive chair, using a firm mattress, and taking short breaks during the day — can make a real difference.

Lifestyle tips

• Stay active with low-impact exercises like walking or swimming, but stop if pain becomes severe
• Avoid activities that cause repeated jarring of the hip, like running on hard pavements
• If you are overweight, losing a little weight can reduce the strain on your hip joint
• Use a walking stick or frame on the opposite side to your painful hip if it helps

Diet and exercise

A balanced diet rich in calcium and vitamin D helps support healthy bones. Include plenty of vegetables, lean proteins, and wholegrains. Gentle strengthening exercises for your legs and hips, particularly under the guidance of a physiotherapist, can improve stability and reduce discomfort.

Mental health and emotional wellbeing

Chronic hip pain can be frustrating and exhausting. It can affect your mood, sleep, and energy. It is normal to feel low at times. Talk to your doctor about ways to manage the emotional side of pain, and remember that asking for help is a strength, not a weakness.

Prevention

Not all hip problems can be prevented, but you can lower your risk of many common causes. Keeping your muscles strong, avoiding falls, and protecting your joints during sport all help. It also helps to address health conditions like osteoporosis early.

Vaccines

There is no specific vaccine for hip pain, but keeping up to date with routine adult vaccines helps prevent infections that can sometimes affect joints.

Screening programmes

There is no routine screening test for hip pain in most countries. If you have risk factors like osteoporosis, your doctor may suggest a bone density scan to help prevent fractures.

Complications

If left untreated

• Continuing pain that interferes with walking and everyday activities
• A hip fracture that may become harder to fix if treatment is delayed
• In rare cases, infection in the hip joint can spread and become very serious if not treated quickly
• Long-term joint damage that may make arthritis worse

Long-term outlook

With proper diagnosis and the right treatment plan, most hip problems can be managed very well. Even after a hip fracture or a hip replacement, most people can return to their normal activities with time. A CT scan is simply one step in that journey, giving your doctor the information they need to help you feel better.

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