Septic shock is the final, most severe form of sepsis and also the most difficult to treat. Patients in septic shock are often called the “sickest patients in the hospital,” as doctors, nurses, and other healthcare professionals work to save them from long-lasting complications or death.
People are more likely to develop sepsis in the community than in the hospital – up to 87% of cases start from infections people contracted at work, school, or home. Sepsis can start gradually, or the symptoms can come on very suddenly. Sepsis must be treated quickly and efficiently as soon as healthcare providers suspect it. If it isn’t recognized and treated quickly, sepsis can progress to severe sepsis and then to septic shock.
Sepsis, which was often called blood poisoning, is the body’s life-threatening response to infection or injury. Like strokes or heart attacks, sepsis is a medical emergency that requires rapid diagnosis and treatment. Sepsis kills and disables millions and requires early suspicion and rapid treatment for survival. Septic shock disproportionately affects certain communities, increasing their disability and mortality rates. Black and Hispanic children are 25% more likely to die from severe sepsis or septic shock than non-Hispanic white children. American Indians and Alaskan Native people in the Indian Health Service area are 1.6 times more likely to die from sepsis than the national average.
Sepsis and septic shock can result from an infection anywhere in the body, such as pneumonia, influenza, urinary tract infections, or even from a cut on the finger that becomes infected. Worldwide, one-third of people who develop sepsis die. Many who do survive are left with life-changing effects, such as post-traumatic stress disorder (PTSD), chronic pain and fatigue, organ dysfunction (organs don’t work properly), and/or amputations.
Sepsis treatment usually requires intravenous (IV) fluids and antibiotics. It is essential that the treatment begin as early as possible. The chance of sepsis progressing to severe sepsis and septic shock, causing death, rises by 4% to 9% for every hour treatment is delayed.
Severe sepsis occurs when one or more of your organs stop working effectively. For example, you could need a ventilator to help you breathe or dialysis to filter toxins from your blood. Any organ can be affected.
People with severe sepsis are already very ill, but if your blood pressure starts to drop, you become even sicker. You go into septic shock. The medical definition of “shock” is a drop or fall in blood pressure. When it is associated with sepsis, it is called septic shock.
As your heart pumps blood throughout your body, it produces a certain amount of pressure to help push the blood through the blood vessels. The blood then delivers oxygen and nutrients to the organs and other body tissues. It also removes toxins. The average blood pressure for a healthy adult is around 120/80 mmHg. Hypotension, or low blood pressure, occurs when the blood pressure drops to below 90/60. If you are hypotensive, your blood does not have enough force behind it to circulate properly throughout your body. The tissues don’t get the nutrients they need.
Temporary hypotension, caused by dehydration, overheating, or even psychological shock can cause dizziness, nausea, and fainting. Usually, those situations resolve when the cause is treated, and the blood pressure and blood flow throughout the body return to normal. But when hypotension is extended, like in septic shock, the prolonged blood pressure drop can cause many complications.
One of the most serious septic shock complications is organ damage. In some cases, the damage may only be temporary. For example, a person in septic shock may develop acute kidney injury. The kidneys are not able to filter out the toxins from the blood. If this occurs, the patient may need dialysis, a procedure where a machine acts as the body’s kidneys to cleanse the blood. As the body heals, the kidneys may begin functioning again. But in many cases, organ damage is permanent.
Another serious septic shock complication is tissue death (gangrene) that leads to amputations. Not only does hypotension reduce the blood flow to the less vital parts of the body, like the feet and hands, people with severe sepsis or septic shock can develop tiny blood clots in the blood vessels. These clots can block blood that tries to reach the area, resulting in tissue death.
If too much of the tissue has died, a surgeon must remove it to prevent the dead tissue from spreading. Some septic shock survivors must have the tips of fingers and toes removed, while others lose one or both legs, or even all four limbs.
Accurate statistics regarding sepsis-related amputations are not easily available, but a study presented in 2019 looked at 1.5 million sepsis survivors in the United States and the researchers found that one out of every 100 survivors had an amputation within 90 days of their sepsis diagnosis. Most amputations were of the lower limbs.
Treating septic shock focuses on increasing the blood pressure, eliminating the infection that triggered the sepsis, and providing support for the organs that are failing. Some treatments could include:
Once the blood pressure is back up to normal levels and it stays there, the patient is no longer in septic shock. The patient is still very ill, but no longer with a too-low blood pressure.
Most often, you can be discharged from the ICU once your blood pressure is stable and supportive treatment, like a ventilator or dialysis, are no longer required. You will still be monitored and cared for, but in a lower-acuity ward or unit.
Recovering from septic shock can take longer than you may expect. Survivors may appear to be better, but many live with long-lasting effects from having been so ill. Up to 50% of sepsis survivors live with post-sepsis syndrome (PSS), which can be mild or severe. Signs of PSS can include:
About one-third of sepsis survivors return to the hospital within three months of their discharge. The most common causes are repeat infection or sepsis. You can learn more from the Life After Sepsis Fact Sheet.
If you or someone you know shows any signs of sepsis, this is a medical emergency and you must seek medical help immediately to reduce the risk of septic shock.
Would you like to share your story about sepsis or read about others who have had sepsis? Please visit Faces of Sepsis, where you will find hundreds of stories from survivors and tributes to those who died from sepsis.
Suggested Citation: Sepsis Alliance. Sepsis and Septic Shock. 2023. https://www.sepsis.org/sepsisand/septic-shock/
Updated July 6, 2023.
This is my story. It started four and a half years ago, at the age of 57. I had been fighting a chronic ulcer on my left foot due to non-diabetic neuropathy and also stress fractures in my metatarsal bones. I was being treated regularly by a podiatrist but wasn’t able to heal completely because as an energy engineer, I performed field audits and did a lot of walking. A few weeks after a visit to a hospital for some x-rays on my foot, I started feeling sick – urinary issues, lethargy, weakness, loss of appetite. Then in a few ... Read Full Story
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It was on Father’s Day 2019 when I was brought into the ER from a local urgent care. In the ER no one could figure out what was causing my body to go into septic shock, they were more focused on my unstable vitals and trying to raise my blood pressure up since it was 70/30. (Sepsis and Septic Shock) Eventually, I was in the ICU where they found out I had an infected gall bladder that caused my body to undergo septic shock. I stayed in the ICU for 7 days, recovering from surgery and still fighting off sepsis. ... Read Full Story
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On November 3, 2020 Maria was taken to the ER with stomach pains. She was diagnosed with a twisted colon they did a arthroscopic surgery to untwist her colon. Then admitted her to the hospital. Then in 24 hours took her back in for surgery again this time they removed a small portion of her colon. She was doing fine in 24 hours she was taken back in for another surgery because of a swollen abdomen. They found another twist and a tear from the previous surgery. (Perforated Bowel, Sepsis and Surgery) Came out of surgery with a ventilator. They ... Read Full Story
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My story begins with a UTI in May of 2019. (Sepsis and Urinary Tract Infections) I went to urgent care and was diagnosed with a UTI. I was given antibiotics. On Thursday I felt worse. I wanted to sleep. My youngest son made me go back to urgent care. Urgent care had received results from urine culture. They were trying to get ahold of me with no success. I got to urgent care and I was in septic shock. (Sepsis and Septic Shock) I really think I would have died if I stayed home. I’ll always be grateful for my ... Read Full Story
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This story is about my mother Mary. She was a healthy dialysis patient. (Sepsis and Invasive Devices) She didn’t want to get an infection so she agreed to have a graft put under her skin which was safer than having a dialysis catheter. She always was careful to follow the doctor’s advice. One night after dialysis, she got up from bed to go to the bathroom. And got dizzy and fell and broke her ankle in many places. When she got to the emergency room, she was found to be septic and that was what caused her to fall. Not ... Read Full Story
Submit Your StoryView More StoriesSeptic shock is the final, most severe form of sepsis and also the most difficult to treat. Patients in septic shock are often called the “sickest patients in the hospital,” as doctors, nurses, and other healthcare professionals work to save them from long-lasting complications or death.
