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Antibody-mediated inflammatory disorders

Antibody-mediated neuroinflammatory disorders are conditions where the body’s immune system attacks its own cells in the central nervous system (the brain, spinal cord, and/or optic nerves). Learn about the different types of antibody-mediated neuroinflammatory brain disorders and what the signs and symptoms are for each.

Rejection of a kidney transplant

Cow's milk protein allergy (CMPA)

Learn about the different types of allergic reactions that infants and children may experience to proteins found in cow's milk.

Blood tests and JIA

Learn about the various blood tests that are used to either diagnose or rule out JIA. These include a complete blood count, blood culture, erythrocyte sedimentation rate (ESR), antinuclear antibody (ANA), rheumatoid factor (RF), and human leukocyte antigen.

Blood tests and JIA

Learn about the various blood tests that are used to either diagnose or rule out JIA. These include a complete blood count, blood culture, erythrocyte sedimentation rate (ESR), antinuclear antibody (ANA), rheumatoid factor (RF), and human leukocyte antigen.

Optic neuritis

Optic neuritis is inflammation of the optic nerve in the eye. It can occur in one eye or both eyes at the same time. Learn about the signs and symptoms of optic neuritis and what to expect.

Neuroinflammatory disorders

Neuroinflammatory disorders are conditions in which inflammation affects the central nervous system (the brain, spinal cord, and/or optic nerves).

RSV immunizations

Learn about RSV immunizations and how they can protect individuals from respiratory infections caused by respiratory syncytial virus (RSV).

Fetal and neonatal alloimmune thrombocytopenia (FNAIT)

Find out about fetal and neonatal alloimmune thrombocytopenia (FNAIT), including its causes, symptoms, diagnosis, prevention and treatment. 

Polyarticular arthritis

Polyarticular arthritis is the second most common type of arthritis in young people. Polyarticular arthritis affects five or more joints within the first six months of diagnosis of JIA. Learn more about the two different types of polyarticular arthritis.

Bone marrow and the immune system

Parents can learn about bone marrow and the immune system, as they prepare for their child's blood and marrow transplant (BMT)/cellular therapy (CT).

Polyarticular juvenile idiopathic arthritis (JIA)

Polyarticular arthritis is the second most common type of JIA in young people. Polyarticular arthritis affects five or more joints within the first six months of symptoms. Learn more about the two different types of polyarticular arthritis.

Other considerations during therapy for leukemia

Learn how to safeguard children with leukemia against infection and other precautions they should be taking during treatment.

Celiac disease

May is Celiac Awareness Month. Learn about the symptoms, diagnosis and treatment, and how gluten affects people with celiac disease.

Eye care and juvenile idiopathic arthritis (JIA)

COVID-19 vaccines general information

Learn which COVID-19 vaccines are available in Canada, and find information on vaccine development, and safety and effectiveness in children.

Diagnosis of juvenile idiopathic arthritis (JIA)

Several exams and tests are done in order to diagnose arthritis. A complete medical history, physical exam, blood tests, and imaging studies such as MRI and X-rays are needed.

Diagnosing JIA

Several exams and tests are done in order to diagnose arthritis. A complete medical history, physical exam, blood tests, and imaging studies such as MRI and X-rays are needed.

Regular eye exams for juvenile idiopathic arthritis (JIA)

If you have JIA, regular eye exams are very important for detecting early signs of eye inflammation. Learn what happens during an eye exam.

HIV and AIDS in children

Learn more about HIV, AIDS and the test and treatment options that are available.

Regular eye exams for juvenile idiopathic arthritis (JIA)

If your child has JIA, regular eye exams are very important for detecting early signs of eye inflammation. Learn what happens during an eye exam.

Blood, marrow, and the lymphatic system

Learn how blood works, what bone marrow is and how the lymphatic system works inside our bodies.

Primary immune deficiency (PID)

This page explains the diagnosis and treatment of primary immune deficiency (PID), a genetic condition that weakens the immune system.

Immunization schedule for children

Read about types of immunizations that are recommended during a child's first year of life and onward.

Eye care for juvenile idiopathic arthritis (JIA)

Young people with arthritis are at risk of eye inflammation, called iritis. This page describes the use of eye drops and other medications to control eye inflammation. It also explains the importance of having regular eye checks if you have arthritis.