
Signes d'alerte de la septicémie que vous devez connaître
Revu par Dr Colin Tidy, MRCGPDernière mise à jour par Victoria RawDernière mise à jour 8 Sept 2025
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Sepsis is a reaction by the body to severe infection with a bacterial, viral or fungal germ. It's always a medical emergency, and can be fatal if not caught early. You can arm yourself against this by knowing the symptoms so you can seek help early.
Septicaemia, sometimes known as blood poisoning, happens when an infection spreads through your bloodstream. Septicémie is an infection affecting the whole body, and strictly speaking refers to the way your body responds to this infection.
According to the UK Sepsis Trust, around 1 in almost 300 people develop sepsis in the UK every year. It's more likely if your immune system isn't as strong as it should be. This means children, whose immune system is still developing, and over-75s - your système immunitaire wanes with age - are most vulnerable. Your chances are also raised if you're on steroids or cancer treatment, have a medical condition such as blood cancer, have had surgery or drink a lot of alcohol, have a long-term catheter, or have diabetes.
The signs to look for
The Sepsis Trust, which campaigns to raise awareness of sepsis, has developed a checklist to help you spot signs of possible sepsis:
Slurred speech or confusion.
Txtreme shivering or muscle pain.
Passing no urine - in a day.
Severe breathlessness or sleepiness.
It feels like you're going to die or pass out.
Skin mottled or discoloured.
An extremely high or a very low temperature, repeated vomiting, seizures, and a rash which doesn't fade when you press a glass against it are also possible warning signs.
In children, the signs may be different.
You should think sepsis if a child:
Respire très vite.
Is confused or disorientated.
Has a fit or convulsion.
A une peau moite et froide et semble bleu, pâle ou marbré.
Has a rash that does not fade when you press it.
Est très léthargique ou difficile à réveiller.
Se sent anormalement froid au toucher.
In children under five years, not feeding, repeated vomiting or no wet nappies for 12 hours are also concerning. If you notice any of these symptoms, don't delay - early treatment saves lives.
Early diagnosis saves lives
If a doctor suspects sepsis, you'll be admitted to hospital immediately. Treatment depends partly on the cause - for instance, bacterial infections will be treated with antibiotiques given through a drip into your bloodstream, and you may need surgery to remove collections of pus which have built up.
In the meantime, you'll have supportive treatment to help your body keep going:
Fluid through a drip.
Oxygen through a mask.
Possible admission to an intensive care unit for breathing and other support.
Without early diagnosis, between 1 and 5 in 10 people with sepsis won't survive. But with early treatment, the outlook is much better. It can be a long road to recovery, though. Sepsis affects your whole body, and can stop your kidneys and liver from functioning properly or your blood from clotting. You're likely to be in hospital for several weeks, and may need support at home for several months.
A condition called post-sepsis syndrome can leave you feeling tired, weak and short of breath. You may be off your food, prone to frequent infections and suffer from joint and chest pains. In addition, sepsis can take its toll mentally, leaving you depressed and anxious.
That means you'll need support and understanding from your loved ones. Don't expect to bounce back to health - instead take things gently, increasing your levels of activity very slowly. If you're struggling with day-to-day activities such as shopping, cooking or cleaning, your local social services department can help with services like home help and meals at home (meals on wheels).
With thanks to My Weekly where this was originally published.
Sélections des patients pour Méningite et septicémie

Infections
Septicémie
La septicémie est une réaction à une infection sévère. Elle peut toucher différentes parties du corps. Les germes responsables de l'infection sont généralement des bactéries, mais peuvent moins souvent être des virus ou des champignons.
par Dr Colin Tidy, MRCGP

Infections
Méningite
La méningite est une inflammation des tissus autour du cerveau. C'est une condition grave, causée par divers types de bactéries, virus et champignons. L'infection qui provoque la méningite entraîne souvent une infection sanguine également (connue sous le nom de septicémie) qui peut être mortelle. Si vous suspectez une méningite - obtenez immédiatement une aide médicale.
par Dr Colin Tidy, MRCGP
À propos du critiqueVoir la biographie complète

Dr Colin Tidy, MRCGP
Médecin généraliste, Auteur médical
MBBS, MRCGP, MRCP (Paediatrics), DCH
Le Dr Colin Tidy est un médecin du NHS, basé dans l'Oxfordshire.
Historique de l'article
Article également disponible en Anglais, Allemand, Espagnol, Français, Italien, Portugais, Hindi, Hébreu, Arabe, and Suédois.
Prochaine révision prévue : 9 septembre 2028
8 Sept 2025 | Dernière version
29 Nov 2018 | Publié à l'origine
Écrit par :
Dr Sarah Jarvis
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