Osteogenesis imperfecta awareness

Overview

Osteogenesis imperfecta (OI), often called brittle bone disease, is a genetic condition that makes bones fragile and break easily. It happens because the body doesn’t make enough strong collagen, the protein that gives bones structure.

OI is a rare condition. About 1 in 15,000 to 20,000 children are born with it worldwide.

OI can affect people of all races and genders. It is often diagnosed in childhood, but milder forms may not be noticed until later in life.

Symptoms

Common symptoms

• Bones that break easily, often with minor force or no clear cause
• Bone deformities, such as a curved spine or bowing of the legs
• Bluish or gray tint to the whites of the eyes (sclera)
• Hearing loss, especially in young adults and older people
• Loose joints and weak muscle tone

Symptoms in children

• Fractures from simple activities like rolling over or being held
• Delays in motor skills like walking or crawling
• Short stature and frequent fractures during growth

Symptoms in older adults

• More frequent fractures, especially in the spine or hips
• Worsening hearing loss
• Breathing problems due to a curved spine or weak chest wall

Causes

Main causes

• A change (mutation) in one of the genes that tells the body how to make collagen type I, the main protein in bone.
• In most cases, this genetic change is inherited from a parent. In others, it happens for the first time in the child (new mutation).

Risk factors

• Having a parent or sibling with OI (but many cases occur with no family history)
• Being born to parents who are older, though this is not a strong risk factor

When to see a doctor

See a doctor urgently if:

• If your child has a fracture with no obvious cause or injury.
• If you or your child has a fracture that is very painful or looks deformed.
• If you have OI and notice new breathing problems or hearing loss.

Book a routine appointment if:

• If you have a family history of OI and are planning to have children.
• If your child is not meeting motor milestones (like sitting or walking) and you are concerned.
• If you have frequent fractures or unexplained bone pain.

Diagnosis

A doctor will start by asking about your medical and family history and examining you or your child. If OI is suspected, they will order tests to confirm the diagnosis and find the type.

Tests that may be done

• Genetic testing to look for changes in the collagen genes
• X‑rays to see old or new fractures and bone shape
• Bone density scan (DXA) to measure bone strength

What to expect at your appointment

You may be referred to a genetics specialist or a bone health clinic. Tests are usually done as an outpatient. Results can take a few weeks. The doctor will explain what the results mean and discuss next steps.

Treatment

There is no cure for OI, but there are many ways to manage it. The goals are to prevent fractures, relieve pain, improve movement, and help you or your child live as independently as possible.

Self-care at home

• Handle bones gently – avoid rough sports or sudden twisting movements.
• Use a soft mattress and avoid falls by keeping floors clear and using handrails.
• Eat a balanced diet with enough calcium and vitamin D (ask your doctor about supplements).
• Do gentle exercises like swimming or stretching to keep muscles strong without stressing bones.

Medical treatments

Doctors may prescribe medications called bisphosphonates, which help strengthen bones and reduce fractures. Other treatments include growth hormone therapy (for some children) and pain management. Some people benefit from physical therapy and walking aids.

When is surgery considered?

Surgery may be needed to fix fractures that do not heal well, to straighten deformed bones, or to place metal rods inside bones to support them. Your specialist will discuss if this is right for you or your child.

Living with this condition

Living with OI means learning to move carefully and avoid falls. Many people use wheelchairs, crutches, or walkers. Home adaptations like ramps and grab bars can help. It is important to plan ahead for activities and know your limits.

Lifestyle tips

• Avoid high‑impact sports like running, jumping, or contact sports.
• Consider low‑impact activities like swimming, cycling on a stationary bike, or yoga (with gentle poses).
• Take care of your teeth – OI can affect dental health. See a dentist regularly.
• Ask your doctor about safe ways to stay active and build muscle.

Diet and exercise

A diet rich in calcium (dairy, leafy greens, fortified foods) and vitamin D (sunlight, supplements if needed) helps bone health. Gentle exercise such as swimming or chair exercises can keep your body strong without putting too much stress on your bones. Always check with a physical therapist or doctor before starting a new routine.

Mental health and emotional wellbeing

Living with a chronic condition like OI can be stressful. You or your child may feel worried, frustrated, or left out. It is normal to have these feelings. Talking to a counselor, joining a support group, or simply sharing with family can help. If you feel overwhelmed, reach out to a mental health professional.

Prevention

OI cannot be prevented because it is genetic. However, if you have a family history, genetic counseling can help you understand your chances of having a child with OI and discuss options.

Screening programmes

Prenatal testing is available for families known to carry OI gene changes. Talk to a genetic counselor if you are interested.

Complications

If left untreated

• Frequent fractures that may not heal properly
• Chronic pain and limited mobility
• Curved spine (scoliosis) that can make breathing hard
• Hearing loss that can get worse over time

Long-term outlook

With good medical care, physical therapy, and a safe environment, most people with OI live full, productive lives. The condition does not affect thinking or intelligence. Many children grow up to go to school, have careers, and enjoy relationships. Researchers continue to find new ways to improve bone health and quality of life.

Find support

International organisations

• Osteogenesis Imperfecta Foundation ↗

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