View source for Infection-associated glomerulonephritis

*Term usually reserved to an immune-mediated [[glomerulonephritis]] associated with a bacterial infection
*Rarely caused by fungi, as well

{| class="wikitable"
!Type
!Organisms
!Timing
!Clinical Characteristics
!Laboratory Characteristics
|-
|[[post-streptococcal glomerulonephritis]] or [[post-infectious glomerulonephritis]]
|[[Streptococcus pyogenes]]
|1-2 weeks after [[Streptococcal pharyngitis|pharyngitis]], 3-6 weeks after [[SSTI]]
|abrupt onset with edema, subnephrotic proteinuria, often hypertension, more common in pediatrics
|low C3, normal C4, rising ASO titres
|-
|[[Staphylococcus-associated glomerulonephritis]]
|[[Staphylococcus aureus]] and [[Staphylococcus epidermidis]]
|during acute infection
|signs of underlying infection, AKI with microscopic hematuris and nephrotic-range proteinuria, may have rash (LCV); aggressive immunosuppression is contraindicated
|low C3 in 50%, normal C4, sometimes positive ANCA with low titres
|-
|[[Glomerulonephritis]] from other infections
|[[Gram-negative bacteria]], [[Rickettsia]], [[Chlamydia]], [[Acinetobacter]]
|
|[[subacute bacterial endocarditis]], [[shunt nephritis]], [[Central line-associated bloodstream infection|indwelling central venous catheter infections]], and deep-seated visceral abscesses
|
|}

== Investigations ==

* C3 and C4
* Proteinuria

[[Category:Glomerulonephritides]]
[[Category:Infectious syndromes]]