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Hydroxychloroquine: Uses, Dosage, Side Effects, and More

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Hydroxychloroquine is a prescription medication used to treat malaria, rheumatoid arthritis, lupus, and certain autoimmune conditions. It works by reducing inflammation and modulating immune system activity.

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Controlled Substance Warning

Hydroxychloroquine is not a controlled substance. It is taken orally, usually once or twice daily with food or milk to minimize stomach upset. Patients should have regular eye exams during long-term use, as hydroxychloroquine can rarely cause retinal damage.

Drug Facts

Generic Name

Hydroxychloroquine Sulfate

Brand Names

Plaquenil

Drug Type

Antimalarial / disease-modifying antirheumatic drug (DMARD)

Dosage Forms

Tablets

Typical Dosage
  • Rheumatoid arthritis/lupus: 200–400 mg daily in one or two doses.
  • Malaria prevention: 400 mg once weekly.

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No one should overpay for safe, effective medication. By cutting out middlemen and working directly with trusted, FDA-approved manufacturers, Invictus offers the same high-quality medicines you’d find at big retail pharmacies—at a fraction of the price.  Whether you choose brand-name or generic, we’ll deliver it quickly, affordably, and right to your door. Maybe that’s why most patients who switch to Invictus never look back.

Disclaimer

The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.

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