An chronic inflammatory autoimmune connective tissue disease

Systemic = As it affect multiple organs/systems

Erythematous = typical red malar rash across the face

Epidemiology:

More common in women and asians

Presents in young to middle ages adults, can also present later in life

Aetiology: Interaction of genetically susceptible host with environmental factors (drugs, EBV, infection, etc)

SLE is characterised by ANA - Antibodies to proteins with the persons own cell nucleus - Immune system targets these proteins. When the immune system is activated by these antibodies targeting proteins in the cell nucleus it generates anĀ inflammatory response.

Inflammation = Symptoms

Risk factors:

PC

Non-specific Symptoms