Hydroxychloroquine

Hydroxychloroquine is a medication used for its antimalarial and anti-inflammatory properties. It is often prescribed for certain autoimmune conditions and to prevent malaria.

This drug works by modulating the immune system and affecting the way cells function.

Information about Hydroxychloroquine

Hydroxychloroquine Uses

Hydroxychloroquine is commonly used in the treatment of various conditions. It is important to use it under medical supervision.

Prevention and treatment of malaria
Treatment of rheumatoid arthritis
Management of systemic lupus erythematosus
Relief of certain skin conditions linked to lupus

How Hydroxychloroquine Works

Hydroxychloroquine works by interfering with the communication between cells in the immune system. This helps reduce inflammation and modulate the immune response.

It is thought to affect the function of certain cells and proteins involved in the body’s immune response.

By altering these processes, hydroxychloroquine can help manage symptoms in autoimmune diseases and prevent malaria infection.

Common side effects of Hydroxychloroquine

Not everyone will experience side effects with hydroxychloroquine, and many are mild and temporary. However, it is important to be aware of them.

Nausea
Stomach pain
Headache
Dizziness
Loss of appetite
Skin rash
Visual disturbances

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)

Medicine brands for Hydroxychloroquine

Hydroxychloroquine
Dosage: 200mg, 400mg
from $44.9518 variant(s)
Hsquin
Dosage: 200 mg, 300 mg, 400 mg
from $34.005 variant(s)
Plaquenil
Dosage: 200mg, 400mg
from $49.8918 variant(s)

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Expert advice for Hydroxychloroquine

Regularly monitor your vision and report any changes to your doctor immediately.
Avoid excessive alcohol consumption while taking this medication.
Inform your doctor about any other medications you are taking to avoid potential interactions.
Do not use this medication if you have certain pre-existing health conditions without consulting a doctor.
Always take this medication with food to minimize stomach upset.

Always consult your healthcare provider for any concerns or questions about using hydroxychloroquine.

Frequently Asked Questions

What is hydroxychloroquine used for?

Hydroxychloroquine is used to prevent and treat malaria, and to manage symptoms of autoimmune diseases like rheumatoid arthritis and lupus.

How long does it take for hydroxychloroquine to work?

The time it takes for hydroxychloroquine to work can vary. For autoimmune conditions, it may take several weeks to see improvement.

Is hydroxychloroquine safe for long-term use?

Long-term use of hydroxychloroquine can be safe under medical supervision, but regular check-ups are important to monitor for side effects.

Can I take hydroxychloroquine with other medications?

Hydroxychloroquine may interact with other medications. Inform your doctor about all the medicines you are taking to avoid interactions.

What should I avoid while taking hydroxychloroquine?

Avoid excessive alcohol and inform your doctor if you experience any vision changes or severe side effects.