Emergencies
Emergency Actions — Hypos, Highs, and Ketones
13 Aug 2025 • Updated 21 Aug 2025

Emergency Actions — Hypos, Highs, and Ketones
Severe hypo (can’t swallow / unconscious / seizure)
- Do not give food or fluids by mouth.
- Glucagon (nasal or injection) if available and trained.
- Call emergency services.
- Once awake: longer‑acting carbs; contact your diabetes team.
High BGL with ketones (sick day)
- Hydrate with unsweetened fluids; small sips every 5–10 minutes.
- Correction insulin per your plan; recheck BGL and ketones in 1–2 hours.
- Pump users: give correction by pen/syringe and change the set if ketones present.
- Seek urgent care if ketones ≥ 3.0 mmol/L, rising ketones, or vomiting, pain, drowsiness, rapid breathing.
Vomiting / unable to keep fluids down
- High risk for DKA even if BGL isn’t very high. Try small frequent sips; if not tolerated, seek urgent help.
- Do not stop basal insulin.
Driving safety
- If you feel low or CGM alarms low → pull over and treat.
- Don’t drive again until BGL has clearly recovered and you feel well.
Emergency kit checklist
- Glucose tablets/gel; small juice or regular soft drink
- Glucagon (check expiry); quick instructions
- Meter/strips or CGM; blood ketone strips/meter
- Spare pen needles/syringes; pump set
- Copy of your plan + emergency contacts
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