What is the adult dose of artesunate?
The adult artesunate dose depends on the condition being treated (most commonly severe malaria) and the exact regimen used by local guidelines.
Adult artesunate dosing for severe malaria (common guideline pattern)
For severe Plasmodium falciparum malaria, a widely used adult regimen is:
- 2.4 mg/kg artesunate IV or IM at the time of diagnosis, then
- 2.4 mg/kg at 12 hours, and
- 2.4 mg/kg at 24 hours,
then switch to a complete oral antimalarial course when the patient can take oral medication.
This approach is consistent with standard severe-malaria treatment regimens.
How is the dose given (IV vs IM)?
Dosing is based on weight (mg/kg). Artesunate can be given:
- Intravenously (IV) when IV access is available, or
- Intramuscularly (IM) when IV access is not available.
Same mg/kg schedule is typically used either way.
What if the adult is pregnant?
Severe malaria in pregnancy is treated with the same artesunate schedule in most guidelines because the benefit of treating severe malaria outweighs the drug risk. Dose is still mg/kg.
What weight-based dosing examples look like
Because dosing is mg/kg, the amount changes with body weight. For the initial 2.4 mg/kg dose:
- 50 kg adult: 120 mg
- 60 kg adult: 144 mg
- 70 kg adult: 168 mg
- 80 kg adult: 192 mg
Subsequent doses follow the same mg/kg at 12 and 24 hours.
Why the exact regimen matters
Artesunate dosing varies across:
- Severe malaria vs uncomplicated malaria,
- Different species/clinical scenarios,
- National treatment protocols and the oral “step-down” drug after IV/IM dosing.
If you tell me the diagnosis (for example, “severe falciparum malaria”), route (IV/IM/oral), and the adult’s weight, I can convert the mg/kg schedule into the exact mg per dose.