ARTESUNATE

Artemisinin derivative antimalarial

Dosage Forms

Suppositories:

50 mg and 200 mg

Injection:

Ampoules containing 60 mg anhydrous artesunic acid with a separate ampoule of 5% sodium bicarbonate solution

Uses

  • Pre-referral treatment for severe malaria (artesunate suppositories)
  • Initial treatment of uncomplicated malaria when persistent vomiting precludes oral route.
  • First line treatment for severe malaria (IV artesunate)

Dose and Duration

Pre-referral treatment of severe malaria
Child and adult:10–20 mg/kg rectally as a single dose before referring the patient. See dose in table below
Uncomplicated malaria
Child and adult:10–20 mg/kg rectally once daily. See dose in table here:
Weight (kg) Age (years) Artesunate Dose (mg) Regimen
50 mg supp. 200 mg supp.
5 - 8.9 0 – 1 50 mg 1
9 – 19 1 - 3½ 100 mg 2
20 – 29 3½ - 5 200 mg 1
30 – 39 6 - 12 300 mg 2 1
40 – 59 >12 400 mg 2
60 - 80 800 mg 4
>80 1200mg 6

As soon as patient can take orally, change to oral route and give a 3-day course of first line ACT

Severe malaria
Adult and children >20 kg: 2.4 mg/kg
Child ≤ 20 kg:3 mg/kg

Initially, give by slow IV injection over 5 minutes as in the table below. Follow by full dose of first line ACT

Time of Administration
First dose: On admission At 0 hours
Second dose At 12 hours
Third dose At 24 hours
Then: Once a day until patient is able to take orally

Preparation

  • Dissolve artesunic acid powder in 5% sodium bicarbonate solution for injection. Dilute the mixture in 5 ml of 5% glucose or 0.9% sodium chloride solution. Solutions should be freshly prepared prior to administration.

Side Effects

  • Stomach upset
  • Headache and dizziness
  • Tinnitus

Patient Instructions

  • May impair ability to perform skilled tasks, such as driving or operating machinery

Pregnancy

  • Do not use in 1st trimester

Breastfeeding

  • Can be used

⚠️ Caution

  • Buttocks should be held together for at least 1 minute to ensure retention after rectal insertion
  • If suppositories are expelled from rectum within 30 minutes of insertion, repeat the treatment
  • 2–3 capsules can be rectally inserted at the same time.
    If 4 or more capsules are needed, first insert 3 capsules, then wait 10 minutes before inserting more
  • Flush IV line with 3 ml of sodium chloride 0.9% after giving artesunate