Immune system mediated
|
Immune system mediated
|
Anaphylaxis | Anaphylaxis |
Anaphylactoid reaction | Anaphylactoid reaction |
Allergic reaction—local |
Systemic
|
Urticaria (“hives”) and/or angioedema Idiopathic thrombocytopaenic | Systemic upset (for example, uraemia, cholestasis, blood disorders) |
purpura (ITP) |
Other
|
Infective
| Senile itch |
Bacterial | Solid tumours |
Meningococcal septicaemia | HIV |
Cellulitis | |
Impetigo | |
Scarlet fever | |
Viral | |
Varicella zoster | |
Primary infection (chickenpox) | |
Reactivation (herpes zoster or “shingles”) | |
Measles | |
Rubella (German measles) | |
Non-specific viral rash | |
Other conditions | |
Henoch Schonlein purpura | |
Psoriasis | |
Eczema | |