Product image of Methotrexat Medac (Methotrexate) supplied by GNH India

Methotrexat Medac

Active Ingredient:
Methotrexate
Origin:
EU

Methotrexat Medac (Methotrexate)

Methotrexate, the active ingredient in Methotrexat Medac, is an antimetabolite (folate antagonist) presented as a sterile injectable for intra‑arterial, intramuscular, and intravenous use. It is employed in the management of rheumatoid arthritis, severe psoriasis, acute lymphoblastic leukemia, non‑Hodgkin lymphoma, breast cancer, and ectopic pregnancy in suitable patients, under specialist supervision and as part of a comprehensive therapeutic regimen.

GNH India supplies Methotrexat Medac as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, and pharmacies worldwide.

Manufacturer / TM Owner

Medac Gesellschaft Für Klinische Spezialpräparate Mbh (Wedel)

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Indications & Clinical Uses

Methotrexate is used in several disease categories that involve abnormal cell proliferation or immune dysregulation.

  • Rheumatoid arthritis: reduces joint inflammation and slows disease progression.
  • Psoriasis: limits skin cell overgrowth and improves lesions.
  • Acute lymphoblastic leukemia: interferes with malignant cell replication.
  • Non‑Hodgkin lymphoma: suppresses tumor growth.
  • Breast cancer: enhances the effect of other chemotherapeutic agents.
  • Ectopic pregnancy: terminates trophoblastic tissue non‑surgically.

How It Works

  • Methotrexate inhibits the enzyme dihydrofolate reductase, leading to decreased tetrahydrofolate levels. This impairs the synthesis of purine nucleotides and thymidylate, thereby blocking DNA synthesis and cell replication in rapidly dividing cells, including malignant and immune‑mediated cells.

Side Effects

Methotrexate may cause a range of adverse reactions.

Common Side Effects

  • Nausea and vomiting.
  • Fatigue and malaise.
  • Oral mucositis or mouth sores.
  • Transient elevation of liver enzymes.
  • Mild cytopenias (low white blood cells or platelets).
  • Skin rash or mild photosensitivity.

Serious or Rare Side Effects

  • Severe hepatotoxicity or liver fibrosis.
  • Pulmonary toxicity, including interstitial pneumonitis.
  • Life‑threatening bone marrow suppression.
  • Acute renal failure.
  • Severe cutaneous adverse reactions (e.g., Stevens‑Johnson syndrome).
  • Opportunistic infections due to immunosuppression.

Precautions & Warnings

Methotrexate requires careful monitoring and specific safety measures.

  • Pregnancy: contraindicated (Category X) – avoid use in pregnant patients.
  • Renal function: assess baseline and monitor; adjust dose if impaired.
  • Hepatic function: regularly check liver enzymes and consider dose reduction for abnormalities.
  • Hematologic monitoring: perform frequent blood counts to detect marrow suppression.
  • Infection risk: postpone therapy in active infections and monitor for opportunistic infections.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze.

Avoid Interactions

Methotrexate interacts with several medicines that may alter its safety or efficacy.

Major Interactions (Avoid)

  • NSAIDs (e.g., ibuprofen): increase methotrexate toxicity.
  • Penicillins (e.g., ampicillin): reduce methotrexate clearance.
  • Live vaccines: heightened risk of severe infection.
  • Sulfonamides: additive bone‑marrow suppression.
  • Trimethoprim: may increase methotrexate toxicity.

Moderate Interactions (Monitor Closely)

  • Proton pump inhibitors: may affect absorption.
  • Azathioprine: additive immunosuppressive effect.
  • Allopurinol: potential increase in toxicity.

Frequently Asked Questions

Methotrexat Medac contains methotrexate and is indicated for rheumatoid arthritis, severe psoriasis, acute lymphoblastic leukemia, non‑Hodgkin lymphoma, breast cancer, and ectopic pregnancy when prescribed by a qualified healthcare professional.

Methotrexate blocks dihydrofolate reductase, reducing tetrahydrofolate production. This limits the synthesis of DNA building blocks, thereby inhibiting the replication of rapidly dividing cells such as cancer cells and certain immune cells.

The dose of Methotrexat Medac is individualized by the prescribing clinician based on the specific indication, patient characteristics, and treatment goals. Only a qualified prescriber can determine the appropriate regimen.

Methotrexat Medac is classified as Pregnancy Category X, meaning it is contraindicated in pregnancy due to a high risk of fetal harm. It is also not recommended while breastfeeding because it can be excreted in breast milk.

To 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, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and necessary import documentation.

Methotrexate is a folate antagonist, differing from alkylating agents or antimetabolites like 5‑fluorouracil. Its mechanism targets DNA synthesis via dihydrofolate reductase inhibition, offering a distinct toxicity profile and therapeutic niche, especially in diseases where rapid cell division is a hallmark.

Methotrexat Medac should be stored at 2‑8 °C, kept refrigerated, protected from light, and never frozen. Maintaining these conditions preserves drug stability and potency.

The product is supplied as a sterile injectable solution and may be given via intra‑arterial, intramuscular, or intravenous routes, according to the prescribing clinician’s instructions and the specific therapeutic indication.

Serious risks include severe liver toxicity, pulmonary fibrosis, life‑threatening bone‑marrow suppression, acute renal failure, and opportunistic infections. Patients should be monitored closely for signs of these complications throughout therapy.

Methotrexat Medac is contraindicated in pregnant women, patients with severe renal or hepatic impairment, active infections, and those with known hypersensitivity to methotrexate or any component of the formulation.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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