The following are the current most viewed articles on Wikipedia within Wikipedia's Ailments of unknown etiology category. Think of it as a What's Hot list for Ailments of unknown etiology. More info »

This is a beta release and so the figures may be a day or two out of date. We'd love to get your thoughts.

Rank	Topic	Wikipedia views
1	Fibromyalgia	11,489
2	Alzheimer's disease	10,469
3	Irritable bowel syndrome	9,686
4	Bell's palsy	7,707
5	Sarcoidosis	5,930
6	Chronic fatigue syndrome	5,264
7	Kawasaki disease	3,896
8	Cluster headache	3,720
9	Sudden infant death syndrome	3,242
10	Pityriasis rosea	2,815
11	Henoch–Schönlein purpura	1,995
12	Morgellons	1,874
13	Complex regional pain syndrome	1,865
14	Sweating sickness	1,753
15	Torticollis	1,639
16	Geographic tongue	1,588
17	Exploding head syndrome	1,525
18	Interstitial cystitis	1,268
19	Lichen sclerosus	1,018
20	Benign fasciculation syndrome	819
21	Encephalitis lethargica	767
22	Trigger finger	755
23	Glutamic acid (flavor)	683
24	Sick building syndrome	645
25	Chronic prostatitis/chronic pelvic pain syndrome	611
26	Myofascial pain syndrome	573
27	Balanitis xerotica obliterans	522
28	Stiff person syndrome	444
29	Spontaneous cerebrospinal fluid leak	438
30	Prurigo nodularis	382
31	Multiple chemical sensitivity	369
32	Granuloma annulare	368
33	Fever of unknown origin	304
34	Acrocyanosis	295
35	Tropical sprue	292
36	Cyclic vomiting syndrome	280
37	Electromagnetic hypersensitivity	236
38	Charles Darwin's health	199
39	Chronic fatigue syndrome treatment	172
40	Pigmented villonodular synovitis	168
41	SAPHO syndrome	140
42	Heavy legs	107
43	Cardiac syndrome X	97
44	Synovial osteochondromatosis	86
45	Virchow-Seckel syndrome	83
46	Milroy's disease	78
47	Hallermann–Streiff syndrome	74
48	Alternative names for chronic fatigue syndrome	74
49	Giant cell tumor of the tendon sheath	72
50	Gluten-sensitive idiopathic neuropathies	64
51	Brainerd diarrhea	57
52	Cronkhite–Canada syndrome	56
53	Christopher Smart's asylum confinement	54
54	Manning Criteria	52
55	Functional colonic disease	48
56	Controversies related to chronic fatigue syndrome	45
57	Trichodynia	43
58	Pathophysiology of chronic fatigue syndrome	43
59	Cluster headache treatments	37
60	Copenhagen disease	36
61	Danubian endemic familial nephropathy	34
62	Clinical descriptions of chronic fatigue syndrome	29
63	Nodding disease	25
64	History of chronic fatigue syndrome	22
65	Mortimer's disease	11
66	People with chronic fatigue syndrome	less than 5 views
67	Cultural references to chronic fatigue syndrome	less than 5 views

Subcategories

• Gulf War syndrome

Parent categories

• Diseases and disorders

Encyclopedia