Hydroxychloroquine is a medication used for the prevention and treatment of certain types of malaria. It is also prescribed to manage some autoimmune diseases like rheumatoid arthritis and lupus erythematosus. Hydroxychloroquine belongs to a class of medications known as disease-modifying antirheumatic drugs (DMARDs), and its exact mechanism in these conditions is not well understood.

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Hydroxychloroquine FAQ


What is hydroxychloroquine used for?

Hydroxychloroquine is used to prevent and treat malaria as well as to manage autoimmune conditions like rheumatoid arthritis and lupus erythematosus.

What are the common unwanted reactions of hydroxychloroquine?

Common unwanted reactions may include nausea, vomiting, headache, dizziness, and stomach cramps. It's important to consult a qualified physician for more information.

How does hydroxychloroquine work for autoimmune diseases?

The exact way hydroxychloroquine works in autoimmune diseases is not fully understood. It is thought to interfere with the communication between cells of the immune system.

Can I buy hydroxychloroquine without a medical prescription?

Hydroxychloroquine is a medical prescription medication, and it should not be used without the guidance of a qualified physician.

What should I do if I miss a dosage of hydroxychloroquine?

If a dosage is missed, it should be taken as soon as you remember. However, if it's almost time for the next dosage, the missed dosage should be skipped and the regular dosing schedule should be resumed.

Is hydroxychloroquine safe for long-term use?

Long-term use of hydroxychloroquine should be closely monitored by a medical professional to assess its safety and manage any potential unwanted reactions.

Can hydroxychloroquine cause vision problems?

Indeed, in rare cases, hydroxychloroquine can affect vision. It's important to have regular eye examinations while using this medication to monitor for any potential vision changes.

Is hydroxychloroquine safe to use during pregnancy?

The use of hydroxychloroquine during pregnancy should be discussed with a medical professional as the potential risks and benefits need to be carefully evaluated.

How long does hydroxychloroquine take to work for rheumatoid arthritis?

It may take several weeks or months for hydroxychloroquine to show its full effect in rheumatoid arthritis. However, individual response may vary, and it's important to follow the prescribed treatment plan.

What should I tell my medical professional before using hydroxychloroquine?

Before using hydroxychloroquine, it's important to inform your medical professional about any medical health conditions, ongoing medications, allergies, and pregnancy or breastfeeding status.

Can hydroxychloroquine be taken with food?

Hydroxychloroquine can be taken with food to minimize stomach upset. However, it's important to take it as prescribed by the healthcare provider.

Is hydroxychloroquine the same as chloroquine?

Hydroxychloroquine and chloroquine are related medications but differ in their chemical structure and some aspects of their clinical use.

Can hydroxychloroquine be used in children?

The use of hydroxychloroquine in children should be carefully determined by a healthcare professional based on the specific medical health condition and individual factors.

The suggested dosage for malaria prevention may vary depending on the specific circumstances, and it should be prescribed and monitored by a medical professional.

Are there any interactions with other medications while using hydroxychloroquine?

There can be interactions between hydroxychloroquine and other medications. It's important to inform the healthcare provider about all the medications being taken to avoid potential interactions.

How should hydroxychloroquine be stored?

Hydroxychloroquine should be stored at ambient temperature protected from moisture and light. It's important to follow the storage instructions provided with the medication.

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Information provided by Emily Richardson. Reviewed by Dr. Jonathan Bates