Product image of Opatanol (Olopatadine) supplied by GNH India

Opatanol

Active Ingredient:
Olopatadine
Origin:
EU

Opatanol (Olopatadine)

Olopatadine, the active ingredient in Opatanol, is an antihistamine presented as a tablet for oral use. It treats allergic conjunctivitis and seasonal allergic rhinitis in adults and children. GNH India supplies Opatanol as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals and pharmacies worldwide.

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

Manufacturer / TM Owner

Novartis Europharm Limited

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Indications & Clinical Uses

Opatanol is an antihistamine that acts on allergic pathways to relieve symptoms of hypersensitivity reactions.

  • Allergic conjunctivitis: reduces eye itching, redness and watery discharge.
  • Seasonal allergic rhinitis: alleviates nasal congestion, sneezing and itching.
  • Chronic urticaria: helps control hives and associated itching.

How It Works

  • Olopatadine blocks histamine H1 receptors on mast cells and basophils, preventing histamine‑mediated vasodilation and increased vascular permeability. It also stabilises mast cells, reducing the release of inflammatory mediators such as leukotrienes and prostaglandins, thereby dampening the allergic response.

Side Effects

Adverse reactions to Opatanol are generally mild to moderate and vary with individual sensitivity.

Common Side Effects

  • Headache
  • Dry mouth
  • Transient ocular irritation
  • Mild drowsiness
  • Nausea
  • Blurred vision

Serious or Rare Side Effects

  • Severe allergic reaction (anaphylaxis)
  • Angio‑edema
  • Persistent eye irritation
  • Significant visual disturbances
  • Cardiovascular irregularities
  • Hepatic enzyme elevation

Precautions & Warnings

When prescribing Opatanol, clinicians should consider patient‑specific factors and follow standard safety measures.

  • Renal impairment: adjust dose if needed.
  • Hepatic impairment: use with caution.
  • Pregnancy: only if clearly needed.
  • Breastfeeding: monitor infant for adverse effects.
  • Concomitant CNS depressants: may increase drowsiness.
  • Store at ambient temperature: keep in original packaging, protect from moisture and light.

Avoid Interactions

Opatanol may interact with other medications that influence histamine pathways or central nervous system activity. Major Interactions (Avoid):\n- Monoamine oxidase inhibitors (MAOIs): risk of heightened antihistaminic effects.

  • Other potent antihistamines: may cause excessive sedation.

Moderate Interactions (Monitor Closely)

  • Alcohol: can increase drowsiness.
  • Sedative‑type analgesics (e.g., tramadol).
  • Certain antidepressants (e.g., tricyclics).
  • Anticholinergic drugs.
  • CYP450‑modulating agents (may affect metabolism).

Frequently Asked Questions

Opatanol contains olopatadine, an antihistamine indicated for allergic conjunctivitis, seasonal allergic rhinitis and chronic urticaria. It helps relieve eye irritation, nasal symptoms and hives associated with allergic reactions.

Olopatadine blocks H1 histamine receptors on mast cells and basophils, preventing histamine‑driven inflammation. It also stabilises mast cells, limiting the release of other mediators such as leukotrienes, which reduces overall allergic response.

The prescribed dose of Opatanol is determined by a qualified healthcare professional based on the patient’s age, condition and response. The prescriber will set the appropriate strength and dosing schedule.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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