Aralen

Chloroquine

Formulated to treat malaria to mitigate parasitic infection in the blood.

Active ingredient
Chloroquine
Supply
Pharmacy
Route
Oral use
Form
Tablet
Strengths
250 · 500mg

Aralen details

Condition
Malaria
Alternative names
Avloclor; Nivaquine
Therapeutic class
Antimalarial
Pharmacological class
Aminoquinoline
Known off-label uses
rheumatoid arthritis; systemic lupus erythematosus
Contraindications
retinal damage; hypersensitivity; pre-existing visual field changes
Minor side effects
nausea; headache; diarrhoea
Moderate side effects
skin pigmentation; rash; visual disturbance
Dosage forms
Tablet
Administration route
Oral use
Patient summary
Formulated to treat malaria to mitigate parasitic infection in the blood.
Supply category
Pharmacist only, dispensed without a prescription
Manufacturer
Sanofi
Onset Time
1–2 hours
Duration
varies by treatment length
Storage instructions
Store below 25°C.
Drug interactions
Ciclosporin; Tamoxifen
Age restrictions
Safe for use in children if dosed by weight.
Precautions and warnings

routine eye examinations required; use with caution in psoriasis; may cause cardiac conduction issues

Serious side effects

retinopathy, requires immediate medical attention; qt interval prolongation, requires immediate medical attention

Mechanism of action

This medication functions by interfering with the growth of parasites in the red blood cells, effectively eradicating the malaria-causing organisms.

Pregnancy and breastfeeding

Pregnancy: Use is acceptable for malaria treatment where benefit outweighs risk. Breastfeeding: Safe in recommended doses.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Aralen

Aralen is a well-known brand containing chloroquine, an active ingredient used to treat and prevent malaria. This medication is also available under various other names such as Avloclor and Nivaquine. Manufactured by Sanofi, Aralen is supplied as a tablet in strengths of 250mg and 500mg to suit specific requirements.

Buying Aralen online

Aralen is registered across 13 markets, including the Philippines, Indonesia and Taiwan, with access also available in South Korea, Japan and the UAE. Generic chloroquine, largely produced in India, provides a more affordable option compared to the original brand for expats living far from a nearby pharmacy. Customers commonly choose to arrange this medication online for direct access and delivery across these Asian markets.