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SESK: Stuff Everyone Should Know · sesk.info/diab-type1-sudden-onset

Once type 1 diabetes progresses, how fast can its symptoms show up?

Suddenly, in just weeks or months, and they can be severe.

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  1. Only after 20 years
  2. Suddenly, in a few weeks or months ✔
  3. Never, it has no symptoms

Why: Early type 1 often has no symptoms. As it progresses, CDC says symptoms can appear suddenly, in just a few weeks or months, and can be severe.

Huh, didn't know that: Type 2 symptoms, by contrast, often take several years to develop.

The dad joke
Type 1 symptoms don't knock politely. They kick the door open, so call the doctor.
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References

Answer: Suddenly, in a few weeks or months. Early type 1 often has no symptoms. As it progresses, CDC says symptoms can appear suddenly, in just a few weeks or months, and can be severe.

  1. CDC: Diabetes Symptoms www.cdc.gov/diabetes/signs-symptoms/index.html
    symptoms can appear suddenly, in just a few weeks or months, and can be severe.
    Checked 2026-10-09.

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