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Popular Opinion The Scariest Diseases of All Time  

Ranker Community
Originally by Ranker Community
19.8k votes 2.2k voters 198.7k views

List Rules Vote up any disease or disorder that seems like a horrible/painful thing to experience. Diseases do not have to be incurable.

You know when you have a cold and feel like you're dying? Well buck up, because your little sniffles are nothing compared to the world's scariest diseases. This list of the scariest diseases of all time, as ranked by the Ranker Community, will have you checking WebMD like a madman (or woman). Everyone wants to be healthy from the minute they are born to the last breath they take, but that doesn't always happen. There are a lot of scary, debilitating things that can happen to your body along the way. A slow, wasting sickness or a something that only gives you 3 months to live? How do you rank it? Which scary illnesses frighten you the most?

From scary skin diseases, to terrifying viruses, some of these illnesses even just have plain scary disease names to go along with their awful symptoms. Being a shut in might sound appealing after learning about these worst, horrible diseases, but that's no way to live. Still, what are the most distressing fatal diseases? Choose the fatal diseases that freak you out the most and vote them up, then talk to your doctor about how to stay healthy. 
list ordered by

1
869 313
Ebola is listed (or ranked) 1 on the list The Scariest Diseases of All Time

2
771 223
Alzheimer's disease is listed (or ranked) 2 on the list The Scariest Diseases of All Time
Apraxia, Aggression, Pathological laughing and crying

3
654 146
Necrotizing fasciitis is listed (or ranked) 3 on the list The Scariest Diseases of All Time
Skin Discoloration, Pain, Necrosis

4
674 222
HIV is listed (or ranked) 4 on the list The Scariest Diseases of All Time
Lymphadenopathy, Headache, Flu-like symptoms

5
506 135
Lung cancer is listed (or ranked) 5 on the list The Scariest Diseases of All Time
Nail clubbing, Dyspnea, Cachexia

6
534 134
Bubonic plague is listed (or ranked) 6 on the list The Scariest Diseases of All Time

7
417 184
Multiple sclerosis is listed (or ranked) 7 on the list The Scariest Diseases of All Time
Optic papillitis, Horner's syndrome, Dyspnea

8
447 150
Smallpox is listed (or ranked) 8 on the list The Scariest Diseases of All Time
Enanthem, Macule

9
351 145
Parkinson's disease is listed (or ranked) 9 on the list The Scariest Diseases of All Time
Drooling, Hypomimia, Tremor

10
325 129
Huntington's disease is listed (or ranked) 10 on the list The Scariest Diseases of All Time
Fasciculation, Slurred Speech, Dysphagia

11
294 117
Creutzfeldt–Jakob disease is listed (or ranked) 11 on the list The Scariest Diseases of All Time

12
341 121
Breast cancer is listed (or ranked) 12 on the list The Scariest Diseases of All Time
Breast lump, Paget's disease of the breast, Nipple discharge

13
299 110
Head and neck cancer is listed (or ranked) 13 on the list The Scariest Diseases of All Time

14
269 81
Cancer of the larynx is listed (or ranked) 14 on the list The Scariest Diseases of All Time

15
229 94
Bovine spongiform encephalopat... is listed (or ranked) 15 on the list The Scariest Diseases of All Time

16
246 72
Harlequin-type ichthyosis is listed (or ranked) 16 on the list The Scariest Diseases of All Time

17
239 124
Progeria is listed (or ranked) 17 on the list The Scariest Diseases of All Time

18
237 117
Malaria is listed (or ranked) 18 on the list The Scariest Diseases of All Time
Fever, Chills

19
233 78
Cervical cancer is listed (or ranked) 19 on the list The Scariest Diseases of All Time
Pelvic pain, Vaginal bleeding, Increased vaginal discharge

20
129 53
Cardiovascular disease is listed (or ranked) 20 on the list The Scariest Diseases of All Time
Dyspnea, Dizziness, Palpitation

21
165 13
Brain Cancer is listed (or ranked) 21 on the list The Scariest Diseases of All Time
possumprincess added

22
226 95
Testicular cancer is listed (or ranked) 22 on the list The Scariest Diseases of All Time
Swollen testicle, Lumbago, Painless testicular lump

23
202 75
Skin cancer is listed (or ranked) 23 on the list The Scariest Diseases of All Time
Skin ulcer, Skin lesion, Melanocytic nevus

24
262 133
Major depression is listed (or ranked) 24 on the list The Scariest Diseases of All Time
Boredom, Melancholia, Insomnia

25
246 81
Zika Virus is listed (or ranked) 25 on the list The Scariest Diseases of All Time
ravi2 added Zika Virus