Down syndrome adult health

Overview

Down syndrome is a condition a person is born with. It happens when cells have an extra copy of chromosome 21. This changes how the body grows and learns. It is not an illness, and it cannot be caught. Adults with Down syndrome have the same emotions, talents, and life hopes as anyone else.

About 1 in every 700 babies is born with Down syndrome. Today, most people with Down syndrome live well into adulthood, and many are living into their 60s and beyond.

Down syndrome affects people of all ethnic backgrounds. Around the world, there are many adults with this condition living active lives.

Symptoms

Common symptoms

• Fatigue or tiredness that does not go away
• Weight gain without trying
• Loud snoring or pauses in breathing while sleeping
• Changes in hearing or vision
• Memory changes or confusion (especially in older age)

Symptoms in children

• Children often have low muscle tone and delays in sitting, crawling, or walking.
• They may have upward-slanting eyes, a flatter facial profile, or small ears.
• Most children with Down syndrome learn to do most things by a later age than other children.

Symptoms in older adults

• Increasing forgetfulness or changes in daily skills
• New stiffness in the neck or weakness in arms or legs
• More frequent falls or balance problems
• Loss of hearing or vision that affects everyday life

Causes

Main causes

• An extra copy of chromosome 21 in some or all cells.
• The extra chromosome usually forms by chance when the egg or sperm is made, before pregnancy.

Risk factors

• A mother's age over 35 is linked to a higher chance, but most babies with Down syndrome are born to younger mothers simply because more younger women have babies.
• In rare cases, a parent carries a balanced translocation that can be passed on.

When to see a doctor

See a doctor urgently if:

• If there is any sudden change in vision, hearing, movement, or breathing.
• If the person seems very sad, anxious, or confused for more than a week.
• If there is a high fever, a new rash, or vomiting that does not stop.

Book a routine appointment if:

• A general health check at least once a year.
• Hearing and eye tests every 1–2 years.
• A thyroid blood test every year.
• A dental cleaning every 6 months.

Diagnosis

Most people learn they have Down syndrome in childhood, often at birth. In adults, a doctor may suggest a blood test to look at the chromosomes if the diagnosis hasn't been confirmed. Physical features alone are not enough for a diagnosis.

Tests that may be done

• Blood test for chromosome analysis (karyotype)
• Thyroid function blood test to check hormone levels
• Hearing test (audiogram)
• Eye exam (vision test)
• Sleep study if sleep apnea is suspected

What to expect at your appointment

The doctor will ask about daily habits and any symptoms. Blood tests are simple. You may also be referred to specialists for hearing, vision, or heart checks. Bring a supporter if you feel more comfortable with someone you trust.

Treatment

There is no medicine that cures Down syndrome. Instead, care is focused on each person's health conditions and strengths. With the right support, adults with Down syndrome can live full lives.

Self-care at home

• Keep a steady routine for meals, sleep, and medicine.
• Take any prescribed medicines exactly as directed.
• Write down new symptoms and bring the list to appointments.
• Stay connected with friends and family.
• Ask for explanations in plain language if something is unclear.

Medical treatments

Your doctor might prescribe medicines to treat conditions like low thyroid hormone or to help you sleep better. Some people use a breathing machine at night to keep their airway open. Others use glasses, hearing aids, or physical therapy. The right plan depends on your own needs and your doctor's advice.

When is surgery considered?

Surgery is only recommended if a health problem needs it. Examples are heart defects that were present at birth, ear issues, or digestive blockages. Your doctor will explain why and refer you to a surgeon if needed.

Living with this condition

Keep a steady routine. Use simple reminders for medicines and appointments. Many adults with Down syndrome live with family, in supported housing, or in their own home. Professionals such as social workers or supported living coaches can help.

Lifestyle tips

• Stay physically active in ways you enjoy
• Get 7–9 hours of sleep
• Stay connected to friends and family
• Learn new skills and join community activities
• Work with a support team to make choices about life

Diet and exercise

Eat a colourful plate with lots of vegetables and fruits. Choose whole grains and protein like beans, fish, or lean meat. Limit sugary treats. Move your body every day. Even short walks or dancing to music count. A dietitian can help with food preferences.

Mental health and emotional wellbeing

Living with a long-term condition can at times feel stressful. Adults with Down syndrome may also get sad or anxious, especially if they experience loss. Mood changes can show as feeling withdrawn, crying more, or losing interest in favourite things. These feelings are real and deserve support. Talking about feelings is a sign of strength.

Prevention

Down syndrome cannot be prevented because it is a random change in the genes. But many health problems linked to Down syndrome can be prevented or found early with routine care. Staying on top of checkups is the best prevention.

Vaccines

Adults with Down syndrome should stay up to date with routine vaccines, including flu, COVID-19, and if your doctor advises it, pneumonia and other vaccines. Vaccines help you stay well, but talk to your doctor about what you need.

Screening programmes

Routine checks like blood tests, hearing tests, eye tests, and heart checks can catch problems early. Some clinics have a special health check for adults with Down syndrome. Ask about this at your next appointment.

Complications

If left untreated

• An undiagnosed heart problem may lead to tiredness, swelling, and long-term heart or lung damage
• Untreated thyroid disease can cause severe tiredness, weight gain, and depression
• Unnoticed hearing loss can cause confusion, social withdrawal, and slower learning
• Untreated depression may affect appetite, self-care, and relationships

Long-term outlook

People with Down syndrome are living longer and healthier lives than ever before. Many hold jobs, live in their own homes, and enjoy close friendships. With regular checkups and loving support, adults with Down syndrome can thrive.

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