Product image of Lergonix (Bilastine) supplied by GNH India

Lergonix

Active Ingredient:
Bilastine
Origin:
EU

Lergonix (Bilastine)

Bilastine, the active ingredient in Lergonix, is an antihistamine presented as an ocular solution for eye drop use. It treats allergic conjunctivitis by relieving histamine‑mediated eye irritation in patients.

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

Manufacturer / TM Owner

Menarini International Operations Luxembourg S.A.

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Indications & Clinical Uses

Lergonix, containing bilastine, is used to manage ocular allergic conditions by blocking histamine effects.

  • Allergic conjunctivitis: reduces itching, redness, and swelling of the eye caused by histamine release.
  • Seasonal allergic eye symptoms: alleviates itching and tearing associated with pollen exposure.
  • Contact lens‑related allergic reactions: helps control irritation and redness in lens wearers.

How It Works

  • Bilastine acts as a selective peripheral H1‑receptor antagonist. By binding to H1 receptors on mast cells and other ocular tissues, it prevents histamine from triggering the cascade that leads to vasodilation, increased vascular permeability, and sensory nerve activation, thereby reducing the classic signs and symptoms of allergic eye inflammation.

Side Effects

Adverse reactions may occur with ocular use of bilastine.

Common Side Effects

  • Transient eye irritation or burning sensation.
  • Bitter taste after administration.
  • Mild headache.
  • Dry eye sensation.
  • Blurred vision.
  • Mild redness.

Serious or Rare Side Effects

  • Severe ocular pain or photophobia.
  • Vision loss or sudden visual disturbances.
  • Corneal ulcer or epithelial defect.
  • Anaphylactic reaction (rare).
  • Significant intra‑ocular pressure increase.

Precautions & Warnings

When using Lergonix, consider the following safety measures.

  • Pregnancy: consult a healthcare professional before use.
  • Breastfeeding: discuss potential risks with a physician.
  • Driving or operating machinery: be aware of possible visual disturbances.
  • Recent eye surgery: avoid use until cleared by the surgeon.
  • Contact with contaminated hands: ensure hands are clean before instillation.
  • Store below 25°C: keep in the original packaging, protect from moisture and light.

Avoid Interactions

Bilastine may interact with other substances that affect histamine pathways or ocular absorption.

Major Interactions (Avoid)

  • Systemic antihistamines: additive sedation or anticholinergic effects.
  • Monoamine oxidase inhibitors (MAOIs): potential enhancement of antihistaminic activity.

Moderate Interactions (Monitor Closely)

  • Alcohol: may increase drowsiness.
  • CYP3A4 inhibitors: could raise systemic exposure if absorbed.
  • Other ocular medications: may interfere with absorption; stagger dosing times.

Frequently Asked Questions

Lergonix is an ophthalmic preparation containing bilastine that is used to relieve the signs and symptoms of allergic conjunctivitis, such as itching, redness, and swelling of the eyes.

Bilastine selectively blocks peripheral H1‑histamine receptors in the eye. By preventing histamine from binding, it stops the cascade that causes vasodilation, increased permeability, and nerve activation, thereby reducing allergic inflammation.

The dosing regimen for Lergonix is determined by the prescribing healthcare professional based on the patient’s condition and response. No fixed dose is provided here; the prescriber will specify the number of drops and frequency.

Safety data for bilastine eye drops in pregnancy and lactation are limited. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss potential risks and benefits with their physician before using Lergonix.

To place an order, submit an enquiry on the product page at gnhindia.com, indicating 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 (including any cold‑chain requirements), and import documentation.

Lergonix contains bilastine, a second‑generation H1 antagonist with high selectivity and minimal sedation compared with first‑generation agents. It offers rapid relief of ocular allergy symptoms and a favorable safety profile, making it a competitive option among topical antihistamines.

Lergonix should be stored below 25 °C in its original container, protected from moisture and direct light. Keeping the product in a cool, dry place helps maintain its stability and effectiveness.

Lergonix is applied as an eye drop. The patient should wash hands, tilt the head back, pull down the lower eyelid, and instill the prescribed number of drops into the conjunctival sac. The eye should be gently closed for a few seconds to allow absorption.

Serious risks, though rare, include severe ocular pain, sudden vision loss, corneal ulceration, and anaphylactic reactions. Any abrupt worsening of eye symptoms or systemic allergic signs should prompt immediate medical attention.

Lergonix should be avoided in individuals with known hypersensitivity to bilastine or any excipients in the formulation. Patients with severe ocular infections, recent eye surgery without physician clearance, or those advised against antihistamines by their doctor should not use it.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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