Atovaquone/proguanil

Atovaquone/proguanil, sold under the brand name Malarone among others, is a fixed-dose combination medication used to treat and prevent malaria, including chloroquine-resistant malaria. It contains atovaquone and proguanil. It is not recommended for severe or complicated malaria. It is taken by mouth.

Atovaquone/proguanil
Combination of
AtovaquoneAntimalarial medication
ProguanilAntimalarial medication
Clinical data
Trade namesMalarone, Malanil, others
AHFS/Drugs.comMonograph
License data
Pregnancy
category
  • AU: B2
Routes of
administration
By mouth
ATC code
Legal status
Legal status
  • AU: S4 (Prescription only)
  • UK: POM (Prescription only)
  • US: ℞-only
  • In general: ℞ (Prescription only)
Identifiers
CAS Number
PubChem CID
ChemSpider
KEGG
CompTox Dashboard (EPA)
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Common side effects include abdominal pain, vomiting, diarrhea, cough, and itchiness. Serious side effects may include anaphylaxis, Stevens–Johnson syndrome, hallucinations, and liver problems. Side effects are generally mild. It is unclear if use during pregnancy or breastfeeding is safe for the baby. It is not recommended to prevent malaria in those with poor kidney function. Atovaquone works by interfering with the function of mitochondria in malaria while proguanil blocks dihydrofolate reductase.

Atovaquone/proguanil was approved for medical use in the United States in 2000. It has been available as a generic medication since 2011.

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