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- What is Aralen (chloroquine), and how does it work (mechanism of action)?
- Is it available as a generic drug?
- Do I need a prescription for this drug?
- What are the uses for Aralen?
- What are the side effects of Aralen?
- Other adverse reactions and side effects of Aralen
- What is the dosage for this Aralen?
- Which drugs or supplements interact with this medication?
- Is this drug safe to use during pregnancy or while breastfeeding?
- What else should I know about this medication?
Do I need a prescription for this drug?
Yes, you need a prescription for Aralen from your doctor or other health care professional.
What are the uses for Aralen?
Aralen is used for treating:
- Acute attacks of malaria due to P. vivax, P. malariae, P. ovale, and susceptible strains of P. falciparum
- Extraintestinal amebiasis
Aralen is not effective for malaria prevention. It suppresses malaria infection, stops acute attacks, and lengthens the time between treatment and relapse.
It's off-label use (non-FDA approved use) is for the treatment of porphyria cutanea tarda.
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.








