Warning signs of primary immunodeficiency

What it is

These warning signs mark the child who should be worked up for an immunodeficiency:

• 4 or more ear infections
• 2 or more serious sinus infections
• Need for 2 or more months of antibiotics
• Failure to thrive
• Recurrent, deep skin or organ abscess
• Persistent thrush in the mouth, or fungal infection on skin
• Repeated invasive infections, for example 2 or more of pneumonia, septicemia, meningitis
• F/H of PI