Product image of Indosin (Indometacin) supplied by GNH India

Indosin

Active Ingredient:
Indometacin
Origin:
EU

Indosin (Indometacin)

Indometacin, the active ingredient in Indosin, is a nonsteroidal anti-inflammatory drug (NSAID) presented as a gel for cutaneous use. It works by decreasing prostaglandin production and is employed to relieve pain and inflammation in rheumatoid arthritis, osteoarthritis, gout and other musculoskeletal disorders.

GNH India supplies Indosin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sc Sintofarm Sa

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Indications & Clinical Uses

Indometacin is used in the management of inflammatory and painful conditions affecting the musculoskeletal system.

  • Rheumatoid arthritis: reduces joint pain, swelling and stiffness.
  • Osteoarthritis: alleviates chronic joint discomfort and improves mobility.
  • Gout: diminishes acute gouty attacks and associated inflammation.
  • General musculoskeletal pain: provides topical relief of localized pain and inflammation.

How It Works

  • Indometacin inhibits cyclooxygenase (COX‑1 and COX‑2) enzymes in peripheral tissues, leading to a reduction in prostaglandin synthesis. Lower prostaglandin levels decrease inflammation, pain signaling, and fever responses at the site of application, providing localized anti‑inflammatory and analgesic effects when delivered topically.

Side Effects

Topical indometacin may cause local and systemic adverse reactions.

Common Side Effects

  • Skin irritation: redness or discomfort at the application site.
  • Burning sensation: transient warmth or stinging after use.
  • Itching: mild pruritus localized to the treated area.
  • Dry skin: occasional flaking or dryness where the gel is applied.
  • Headache: occasional mild headache unrelated to the disease.

Serious or Rare Side Effects

  • Severe allergic reaction: rash, swelling, or difficulty breathing.
  • Stevens‑Johnson syndrome: rare but serious skin disorder.
  • Gastrointestinal ulceration: possible systemic absorption leading to ulcer risk.
  • Liver toxicity: elevated liver enzymes in rare cases.
  • Kidney impairment: reduced renal function with extensive use.
  • Blood dyscrasias: rare blood count abnormalities.

Precautions & Warnings

When using Indosin, consider the following precautions to minimize risk.

  • Assess renal function: monitor kidney parameters in patients with existing renal impairment.
  • Avoid use in active peptic ulcer disease: increased risk of gastrointestinal complications.
  • Limit exposure to sunlight: the gel may increase photosensitivity on treated skin.
  • Do not apply to broken or infected skin: risk of enhanced systemic absorption.
  • Store at room temperature: keep in the original container, protect from moisture and heat.

Avoid Interactions

Indometacin can interact with several medicines; interactions are grouped by clinical significance.

Major Interactions (Avoid)

  • Anticoagulants (e.g., warfarin): increased bleeding risk.
  • Lithium: elevated lithium serum concentrations.
  • Methotrexate: enhanced methotrexate toxicity.
  • ACE inhibitors or ARBs: potential reduction in renal function.
  • Selective serotonin reuptake inhibitors: heightened bleeding tendency.

Moderate Interactions (Monitor Closely)

  • Diuretics: possible additive renal impairment.
  • Corticosteroids: increased gastrointestinal ulcer risk.
  • Other NSAIDs: additive toxicity and gastrointestinal side effects.

Frequently Asked Questions

Indosin is a topical formulation of indometacin indicated for the relief of pain and inflammation associated with rheumatoid arthritis, osteoarthritis, gout and other localized musculoskeletal conditions. It is applied directly to the skin over the affected area to provide targeted anti‑inflammatory and analgesic effects.

Indometacin belongs to the NSAID class and works by inhibiting cyclooxygenase enzymes (COX‑1 and COX‑2). This inhibition reduces the synthesis of prostaglandins, which are mediators of inflammation, pain, and fever. When applied topically, the drug acts locally to lower prostaglandin levels in the skin and underlying tissues, thereby decreasing inflammation and pain.

The appropriate dose of Indosin is determined by the prescribing healthcare professional based on the patient’s condition, severity of symptoms, and treatment response. The prescriber will specify the amount of gel to apply, the frequency of application, and the total duration of therapy.

Safety data for topical indometacin in pregnancy and lactation are limited. Because systemic absorption can occur, it is generally advised to avoid use unless the potential benefit outweighs the risk. Women who are pregnant, planning pregnancy, or breastfeeding should discuss alternatives with their healthcare provider.

To order Indosin, submit an enquiry on the product page at gnhindia.com, indicating 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.

Indosin contains indometacin, which has a potent COX inhibition profile compared with some other topical NSAIDs such as diclofenac or ibuprofen. This can translate into stronger anti‑inflammatory effects for certain conditions, but the safety profile is similar, requiring attention to skin irritation and systemic absorption. Choice of product often depends on physician preference, patient tolerance and specific clinical indication.

Store Indosin at room temperature, preferably below 25 °C. Keep the gel in its original packaging, protect it from moisture, direct sunlight and excessive heat. Do not freeze the product, and ensure the container is tightly closed when not in use.

Clean and dry the affected skin area before use. Apply a thin layer of the gel to the target site and gently rub it in until fully absorbed. Follow the prescriber’s instructions regarding the number of applications per day and avoid covering the area with occlusive dressings unless directed.

Serious risks, though rare, include severe allergic reactions such as anaphylaxis, Stevens‑Johnson syndrome, systemic gastrointestinal ulceration, liver toxicity, and kidney impairment. Patients should seek immediate medical attention if they experience symptoms like widespread rash, blistering, persistent abdominal pain, jaundice, or sudden changes in urine output.

Indosin should be avoided in individuals with known hypersensitivity to indometacin or any NSAID, those with active peptic ulcer disease, severe renal or hepatic impairment, and patients with uncontrolled asthma triggered by NSAIDs. It is also contraindicated on broken, infected or severely damaged skin.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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