Skip to main content

Life Threatening Conditions

When to call 999 – NHS

  • Life-threatening Conditions
  • Anaphylactic shock (severe allergy) 999 
  • Bleeding from any sources heavy or prolonged 999 
  • Breathlessness, severe, or stopped breathing or colour change 999 
  • Burns or scalds, severe 999 
  • Chest pain, suspected heart attack 999 
  • Choking 999 
  • Drowning 999 
  • Fits, seizure or uncontrollable shaking 999 
  • Floppy (unresponsive), feverish baby 999
  • Hypothermia (drop in body temperature) 999 
  • Lacerations (knife wounds, cuts), deep 999 
  • Meningitis, suspected 999 
  • Paralysis (inability to move) 999 
  • Self-harm or suicide, imminent risk 999  and ask for Police
  • Stroke, suspected (sudden weakness of arms, legs or inability to speak properly) 999 
  • Unconscious, or fluctuating levels of consciousness 999 
  • Emergency Conditions
  • https://www.nhs.uk/service-search/find-an-accident-and-emergency-service/
  • Abdominal pain, severe, sudden A&E
  • Blindness, sudden, one or both eyes A&E  (Eye Casualty)
  • Blood clots, suspected (lung/legs) A&E 
  • Breathlessness, moderate to severe A&E 
  • Broken bones A&E 
    Minor breaks: Minor Injuries Unit 
  • Find the right NHS service for you :: Chesterfield Royal Hospital
  • Head injury, with any symptoms (e.g., loss of consciousness, vomiting, drowsiness) 999
  • Lethargic (drowsy), feverish child A&E
  • Low blood sugar (hypo/hypoglycaemia) not responding to sugar 999 
  • Nose bleed, not stopping after 30 minutes A&E 
  • Overdose of medication, poisoning, accidental or intentional A&E 
  • Swallowed sharp or long object or button battery A&E 

Page published: 5 June 2026
Last updated: 5 June 2026