Conditions / Immune
complement component 4b deficiency
info · Immune · ICD-10: D84.1
A complement deficiency that is characterized by recurrent bacterial infections, caused by C4B deficiency.
Signs and symptoms
- Asthma
- Recurrent otitis media
- Decreased circulating complement C4b concentration
- Recurrent pneumonia
- Recurrent sinusitis
- Chronic diarrhea
- Meningitis
- Chronic active hepatitis