Helicobacter pylori and autoimmune disease: Cause or bystander

Table 1 Autoimmune diseases or autoimmune disease-related disorders which have been studied for their possible (direct or indirect) relation with Helicobacter pylori infection

	AID or AID-related disorders linked to H. pylori		AID or AID-related disorders linked to H. pylori
1	Alopecia areata	49	Juvenile diabetes (Type 1 diabetes)
2	Antiphospholipid syndrome	50	Kawasaki syndrome
3	Autoimmune angioedema	51	Leukocytoclastic vasculitis
4	Autoimmune hepatitis	52	Lichen planus
5	Autoimmune hyperlipidemia	53	Linear IgA disease
6	Autoimmune hemolytic anemia	54	Lupus (SLE)
7	Autoimmune myocarditis	55	Microscopic polyangiitis
8	Autoimmune oophoritis	56	Mixed connective tissue disease
9	Autoimmune pancreatitis	57	Mooren’s ulcer
10	Autoimmune polyglandular syndromes	58	Multiple sclerosis
11	Autoimmune thrombocytopenic purpura	59	Myositis
12	Autoimmune thyroid disease	60	Narcolepsy
13	Autoimmune urticaria	61	Neuromyelitis optica (Devic’s)
14	Axonal and neuronal neuropathies	62	Neutropenia
15	Behcet’s disease	63	Ocular cicatricial pemphigoid
16	Bullous pemphigoid	64	Optic neuritis
17	Cardiomyopathy	65	Palindromic rheumatism
18	Celiac disease	66	Pars planitis (peripheral uveitis)
19	Chagas disease	67	Pemphigus
20	Chronic inflammatory demyelinating polyneuropathy	68	Peripheral neuropathy
21	Chronic recurrent multifocal osteomyelitis	69	Perivenous encephalomyelitis
22	Crohn’s disease	70	Pernicious anemia
23	Cogans syndrome	71	Polyarteritis nodosa
24	Demyelinating neuropathies	72	Polymyalgia rheumatica
25	Dermatitis herpetiformis	73	Polymyositis
26	Dermatomyositis	74	Primary biliary cirrhosis
27	Devic’s disease (neuromyelitis optica)	75	Primary sclerosing cholangitis
28	Eosinophilic esophagitis	76	Psoriasis
29	Eosinophilic fasciitis	77	(Idiopathic) pulmonary fibrosis
30	Erythema nodosum	78	Pyoderma gangrenosum
31	Experimental allergic encephalomyelitis	79	Raynaud’s phenomenon
32	Fibromyalgia	80	Reactive Arthritis
33	Fibrosing alveolitis	81	Reiter’s syndrome
34	Giant cell arteritis (temporal arteritis)	82	Relapsing polychondritis
35	Giant cell myocarditis	83	Rheumatoid arthritis
36	Glomerulonephritis	84	Sarcoidosis
37	Goodpasture’s syndrome	85	Scleroderma (systemic sclerosis)
38	Graves’ disease	86	Sjogren’s syndrome
39	Guillain-Barre syndrome	87	Temporal arteritis/Giant cell arteritis
40	Hashimoto’s thyroiditis	88	Thrombocytopenic purpura
41	Henoch-Schonlein purpura	89	Transverse myelitis
42	Hypogammaglobulinemia idiopathic thrombocytopenic purpura	90	Type 1 diabetes
43	IgA nephropathy	91	Ulcerative colitis
44	IgG4-related sclerosing disease	92	Undifferentiated connective tissue disease
45	Immunoregulatory lipoproteins	93	Uveitis
46	Inclusion body myositis	94	Vasculitis (other forms)
47	Interstitial cystitis	95	Vesiculobullous dermatosis
48	Juvenile arthritis

The list includes diseases in alphabetic order as they have been deposited in the official website of AARDA (American Autoimmune Related Diseases Association) with minor revisions. Diseases with at least one study (Pubmed Search) investigating Helicobacter pylori (H. pylori) as a trigger have been included. AID: Autoimmune disease.