How can i get a database of all diseases, sicknesses ,ailments etc and all its associated symptoms?


2 Answers 2


You can’t because it doesn’t exist. There are many databases containing subsets of the data but due to the nature of research and diseases there is not a complete one.


Have a look at Bioportal, which is gives a comprehensive listing of openly available coding systems in the biomedical domain. Coding systems of interest for you - among others - are:

  • SNOMED-CT (Standard Nomenclature of Medicine - Clincal Terms)
  • MeSH (Medical Subject Headings)
  • MedDRA (Medical Dictionary for Regulatory Affairs)
  • ICD9, ICD10 and upcoming ICD11

All of these are work in progress (kind-of).

Which of these is best, depends on an analysis of your requirements. I would also recommend to have a look here: http://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1004743

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