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endocrinology emergency-medicine general-medicine

Hypoglycaemia Severity Classification

Classifies hypoglycaemia severity to guide acute management (rule of 15/20) and prevention strategy.

Used in: Diabetes & DKA

Score interpretation

Mild hypoglycaemia

→ Rule of 15: 15g fast-acting carbs (3-4 glucose tabs, 150mL juice); recheck in 15 min; if resolved eat snack

Moderate hypoglycaemia

→ Rule of 20: 20g carbs; if unable to self-treat: buccal or sublingual glucose gel; IM glucagon 1mg; carer-assisted treatment

Severe hypoglycaemia / Unconscious

→ IV glucose 75mL 20% (or 150mL 10%) stat; IM glucagon 1mg if no IV access; 999/emergency; post-recovery safety check; adjust insulin regimen

Interpretation bands for the Hypoglycaemia Severity. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.