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Hidroxicloroquina Teva-Ratiopharm

Active Ingredient:
Hydroxychloroquine Sulfate
Origin:
EU

Hidroxicloroquina Teva-Ratiopharm (Hydroxychloroquine Sulfate)

Hidroxicloroquina Teva‑Ratiopharm is a prescription medication that contains the active ingredient hydroxychloroquine sulfate. It is supplied as an oral dosage form, with the specific strength not disclosed in the available data. The product is marketed within the European Union and belongs to the antimalarial and disease‑modifying antirheumatic drug (DMARD) classes. Hydroxychloroquine is used under medical supervision for several immune‑related and parasitic conditions, and may be prescribed by qualified healthcare professionals.

Manufacturer / TM Owner

Teva Pharma S.L.U.,

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Indications & Clinical Uses

Hydroxychloroquine sulfate is indicated for several therapeutic purposes under physician guidance.

  • Malaria prophylaxis and treatment
  • Management of systemic lupus erythematosus
  • Treatment of rheumatoid arthritis
  • Adjunct therapy for other autoimmune conditions
  • Combination use in certain infectious disease protocols

How It Works

  • Hydroxychloroquine increases the pH within lysosomes and endosomes, which interferes with antigen processing and presentation. By inhibiting Toll‑like receptor signaling pathways, it reduces activation of dendritic cells and subsequent cytokine production. These actions collectively modulate the immune response and also impair the intracellular replication of certain parasites, contributing to its antimalarial and immunomodulatory effects.

Side Effects

Hydroxychloroquine may cause a range of adverse reactions, which are generally classified by frequency and severity.

Common

  • Nausea or upset stomach
  • Diarrhea or loose stools
  • Abdominal discomfort or pain
  • Mild skin rash or itching

Serious

  • Retinal toxicity leading to vision changes
  • Cardiomyopathy or heart rhythm disturbances
  • Severe hypoglycemia, especially with antidiabetic drugs
  • Hemolysis in patients with glucose‑6‑phosphate dehydrogenase deficiency

Precautions & Warnings

Before initiating therapy, clinicians should evaluate several safety considerations.

  • Obtain a baseline ophthalmologic examination and schedule regular follow‑up eye checks
  • Assess renal and hepatic function for possible dose adjustment
  • Screen for glucose‑6‑phosphate dehydrogenase (G6PD) deficiency
  • Monitor blood glucose levels in diabetic patients
  • Review cardiac history and consider ECG monitoring for QT prolongation risk
  • Discuss potential risks during pregnancy and lactation
  • Advise patients to avoid excessive sun exposure and use sunscreen

Avoid Interactions

Hydroxychloroquine can interact with other medicines, influencing efficacy or safety.

Avoid

  • Concurrent use of other QT‑prolonging agents such as quinidine or azithromycin
  • Antacids containing aluminum or magnesium that may reduce drug absorption

Use with caution

  • Digoxin, because hydroxychloroquine may increase serum concentrations
  • Insulin or oral hypoglycemic agents, due to enhanced hypoglycemic effect
  • Cyclosporine, which may raise the risk of nephrotoxicity
  • Systemic corticosteroids, potentially augmenting immunosuppression

Frequently Asked Questions

The generic name of Hidroxicloroquina Teva‑Ratiopharm is hydroxychloroquine sulfate.

Hydroxychloroquine is commonly prescribed for malaria prophylaxis and treatment, systemic lupus erythematosus, and rheumatoid arthritis.

It raises lysosomal pH, interferes with antigen processing, and inhibits Toll‑like receptor signaling, which together reduce cytokine production and dampen immune activation.

Baseline and periodic ophthalmologic examinations, assessment of renal and hepatic function, and regular blood glucose monitoring are recommended.

The pregnancy safety category is not established; it should only be used if the potential benefit outweighs the risk and under close medical supervision.

Common adverse effects include nausea, diarrhea, abdominal discomfort, and mild skin rash or itching.

Retinal toxicity, which can cause irreversible vision loss, is a serious risk with prolonged therapy.

Patients with a history of QT interval prolongation or other cardiac rhythm disorders should be monitored closely.

It should be taken with food or a full glass of water, and antacids containing aluminum or magnesium should be avoided around the dose.

Antimalarials, certain antibiotics such as azithromycin, and antiarrhythmic agents like quinidine should be avoided because they can further prolong the QT interval.

Yes, hydroxychloroquine can potentiate the effects of insulin and oral hypoglycemic agents, increasing the risk of hypoglycemia.

Dose adjustment may be required in renal impairment; clinicians should assess kidney function before prescribing.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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