Table 2 Frequency of various autoimmune diseases in CSU
From: Stress, pseudoallergens, autoimmunity, infection and inflammation in chronic spontaneous urticaria
Autoimmune condition | Level of risk |
|---|---|
Hashimoto’s thyroiditis | Overt hypothyroidism about 5% although anti-TPO abs can be found between 10 and 20% This figure varies between studies |
Pernicious anaemia | 5% |
Grave’s disease | 5% |
Vitiligo | 5% |
Insulin dependent diabetes | > 1% |
Coeliac disease | > 1% |
Rheumatoid arthritis | > 1% |
Polyglandular syndrome with autoimmune thyroid disease, pernicious anaemia and or vitiligo | > 1% |
Systemic connective tissue disorders e.g. lupus, MCTD etc. | Same as background population prevalence |