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infectious-disease emergency-medicine

Malaria Severity Assessment (WHO Criteria)

Classifies malaria as uncomplicated vs severe per WHO 2015 criteria. Severe malaria (Plasmodium falciparum) requires IV artesunate, not oral therapy.

Score interpretation

Uncomplicated malaria (P. vivax/ovale/malariae)

→ Oral antimalarials per species: P. vivax: chloroquine + primaquine (check G6PD); P. falciparum: artemether-lumefantrine (Riamet); notify PHE; follow-up in 48h; check parasitaemia

Uncomplicated P. falciparum or high parasite burden

→ Oral artemether-lumefantrine; hospital admission for observation; repeat blood film at 48h; antimalarial drug resistance pattern; baseline LFTs, FBC, glucose; notify PHE

Severe malaria

→ IV artesunate (first-line); intubation if GCS <=8; IV dextrose for hypoglycaemia; exchange transfusion if >10% parasitaemia (controversial); HDU/ICU; malaria specialist urgently; PHE notification; monitor fluid balance carefully (cerebral oedema risk)

Interpretation bands for the Malaria 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.