Hydroxychloroquinesulfaat Teva (Hydroxychloroquine Sulfate)

Hydroxychloroquine accumulates in lysosomes, raising their pH and inhibiting enzymes involved in antigen processing and autophagy. This dampens Toll‑like receptor signaling and reduces cytokine production, which moderates autoimmune activity. In malaria parasites, the drug disrupts heme polymerization, leading to toxic accumulation of heme and parasite death.

The appropriate dose of hydroxychloroquine is determined by the prescribing clinician based on the specific indication, patient weight, renal and hepatic function, and other individual factors. Dosage regimens differ for malaria prophylaxis, acute malaria treatment, rheumatoid arthritis, and systemic lupus erythematosus, and should be followed exactly as prescribed.

Safety data for hydroxychloroquine in pregnancy are limited, and the drug is classified as pregnancy category unknown. It may be used only when the potential benefit outweighs any risk to the fetus. Breastfeeding mothers should consult their healthcare provider, as the drug can be excreted in breast milk and may affect the infant.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, and will request verification of trade or institutional credentials. After confirmation, the team provides pricing, availability, shipping details (including any cold‑chain requirements) and assists with import documentation.

Compared with chloroquine, hydroxychloroquine has a similar mechanism but a better safety profile, especially regarding retinal toxicity. Relative to disease‑modifying antirheumatic drugs such as methotrexate, it offers a milder immunomodulatory effect and is often used when patients cannot tolerate stronger agents. Choice of therapy depends on disease severity, comorbidities and individual response.

The product should be stored at ambient temperature, preferably below 25 °C, in its original packaging to protect it from moisture and light. Keep the tablets away from excessive heat and humidity, and ensure the container is tightly closed when not in use. Do not store in the bathroom or near a kitchen stove.

Hydroxychloroquinesulfaat is taken orally, usually with or without food, as directed by the prescribing clinician. Tablets should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed. Adherence to the prescribed schedule is important to maintain therapeutic levels and reduce the risk of resistance or disease flare.

The most serious adverse events include retinal toxicity that can lead to irreversible vision loss, cardiac arrhythmias such as QT prolongation, severe hypoglycemia, and hemolytic anemia in patients with glucose‑6‑phosphate dehydrogenase deficiency. Prompt reporting of visual changes, cardiac symptoms, or unexplained fatigue is essential, and regular monitoring may be required to mitigate these risks.

Hydroxychloroquine is contraindicated in patients with known hypersensitivity to the drug or any of its excipients. Individuals with pre‑existing retinal disease, severe cardiac conduction disorders, or confirmed G6PD deficiency should avoid therapy unless a specialist determines that benefits outweigh risks. Pregnant or breastfeeding women should use only under strict medical supervision, and patients with significant hepatic or renal impairment require careful assessment.