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How long does it take to die from sepsis?

Andrew Bellingham

Andrew Bellingham

Pharmacist | 20+ Years | BPharm | Dip Clin Pharm

Sepsis is a serious condition where the body’s response to infection can harm its own tissues and organs. Without quick treatment, it can lead to severe complications, including death. 

The signs of sepsis can vary, but they often include fever, rapid heartbeat, confusion, weakness, and decreased urine output. If you notice these symptoms along with an infection, it’s time to act fast.

Don’t wait around if you think you or someone else might have sepsis. Get to a hospital right away. The sooner treatment starts, the better the chances of a full recovery. Remember, sepsis is serious, but knowing the signs and acting quickly can make all the difference.

How quickly can you die from sepsis?

Septic shock can cause the affected person to die in as little as 12 hours. 

Therefore, it’s vital to act fast if you suspect it. Seek immediate medical attention, waiting too long lowers your chances of surviving.

When to call 999

For babies or young children:

  • Blue, grey, pale, or blotchy skin, lips, or tongue, especially if it doesn’t fade when you press on it
  • A rash that doesn’t fade when you roll a glass over it
  • Difficulty breathing, including fast or grunting breaths
  • A weak, high-pitched cry that’s unusual
  • Unresponsiveness or disinterest in feeding or normal activities
  • Unusual sleepiness or difficulty waking up

For adults or older children:

  • Confusion, slurred speech, or nonsensical speech
  • Blue, grey, pale, or blotchy skin, lips, or tongue, especially if it doesn’t fade when you press on it
  • A rash that doesn’t fade when you roll a glass over it
  • Difficulty breathing or breathing very fast


Remember, they may not have all these symptoms, but if any are present, it’s crucial to call 999 or go to A&E immediately.

When to call 111

If you, your child, or someone you care for:

  • Feels very unwell or senses something seriously wrong
  • Has gone a whole day without urinating (for adults and older children) or hasn’t urinated in the last 12 hours (for babies and young children)
  • Experiences persistent vomiting and cannot keep any food or milk down (for babies and young children)
  • Displays swelling or pain around a cut or wound
  • Has a very high or low temperature, feels hot or cold to the touch, or is shivering


Don’t hesitate to call 111 even if you’re unsure if it’s sepsis. They can provide guidance, arrange a phone call with a nurse or doctor, or dispatch an ambulance if needed.

Frequently asked questions about sepsis

How many die from sepsis each year uk?

Approximately 48,000 people die from sepsis each year in the UK.

How do you die from sepsis?

Sepsis can lead to organ failure and death due to the body’s extreme response to infection, causing widespread inflammation and tissue damage.

What percentage of sepsis patients die?

The mortality rate for sepsis patients varies widely depending on factors such as age, overall health, and the timing of treatment. However, on average, around 20% of sepsis patients die from the condition.

A 3d illustration of sepsis in the blood.

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