Warning signs in children
- At least eight ear infections within one year.
- At least two serious cases of sinusitis within one year.
- At least two cases of pneumonia within one year.
- Recurrent, deep abscesses of the skin and/or other organs.
- More than two life-threatening infections (e.g. meningitis).
- Illness caused by otherwise harmless micro-organisms (e.g. atypical mycobacteria).
- Fungal infections of the lining of the mouth or other mucous membranes after reaching one year of age.
- Taking of antibiotics for over two months without improvement of symptoms.
- Failure to thrive and impaired growth.
- Congenital immune deficiencies or similar symptoms in other family members.
- Complications caused by live vaccines (polio, tuberculosis, measles, varicella).
- Unexplained chronic redness of the hands and feet in infants.