Chloroquine

Chloroquine is a medication primarily used to prevent and treat malaria, a disease caused by parasites. It is also used in some cases for the management of certain autoimmune conditions.

It works by interfering with the growth of parasites in the red blood cells. Chloroquine is an important tool in the fight against malaria and other parasitic infections.

Information about Chloroquine

Chloroquine Uses

Chloroquine is commonly used in the treatment and prevention of malaria and can also be beneficial for other conditions.

  • Prevention and treatment of malaria
  • Treatment of extraintestinal amebiasis
  • Management of rheumatoid arthritis
  • Management of lupus erythematosus

How Chloroquine Works

Chloroquine works by entering the red blood cells and interfering with the growth of the malaria parasite. It disrupts the parasite’s ability to process hemoglobin, which is vital for its survival.

This action helps to clear the infection from the body. In autoimmune diseases, it may work by modulating the immune system to reduce inflammation.

Common side effects of Chloroquine

Not everyone will experience side effects from chloroquine, and many of these effects are mild and temporary.

  • Nausea
  • Headache
  • Dizziness
  • Stomach upset
  • Blurred vision
  • Itching

If you experience serious or persistent side effects, contact your doctor.

CONTENT DETAILS

Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)

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Expert advice for Chloroquine

  • Monitor your symptoms and report any unusual changes to your doctor.
  • Avoid consuming alcohol heavily while taking this medication.
  • Inform your doctor about any other medications you are taking to avoid interactions.
  • Do not use chloroquine if you have certain red-flag symptoms like vision changes without consulting a doctor.

Always consult your healthcare provider for personalized advice.

Frequently Asked Questions

How long does it take for chloroquine to work?

The effects of chloroquine can be noticed within a few days, but it might take longer for full benefits in some conditions.

Can I take chloroquine with other medications?

It’s important to inform your doctor about all medications you are taking to avoid potential interactions.

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed dose and continue your regular schedule.

Is chloroquine safe for long-term use?

Long-term use of chloroquine should be monitored by a healthcare professional to manage any potential side effects.

Can I drink alcohol while taking chloroquine?

It’s advisable to limit alcohol consumption while taking chloroquine to minimize the risk of side effects.

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