Product image of Itoco (Dorzolamide Hydrochloride) supplied by GNH India

Itoco

Active Ingredient:
Dorzolamide Hydrochloride
Origin:
EU

Itoco (Dorzolamide Hydrochloride)

Dorzolamide Hydrochloride, the active ingredient in Itoco, is a carbonic anhydrase inhibitor presented as an ophthalmic solution for ocular use. It reduces the production of aqueous humor, thereby lowering intra‑ocular pressure in patients with glaucoma or ocular hypertension. The medication is administered as eye drops and is indicated for chronic management of elevated intra‑ocular pressure to prevent optic nerve damage.

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

Manufacturer / TM Owner

Zaklady Farmaceutyczne Polpharma S.A.

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Indications & Clinical Uses

  • Dorzolamide Hydrochloride is used to manage conditions that involve elevated intra‑ocular pressure.
  • Open‑angle glaucoma: lowers intra‑ocular pressure to help preserve visual field.
  • Ocular hypertension: reduces aqueous humor production to maintain normal pressure.
  • Secondary glaucoma (e.g., steroid‑induced): assists in controlling pressure when other causes are present.

How It Works

  • Dorzolamide Hydrochloride inhibits carbonic anhydrase enzymes in the ciliary body epithelium, decreasing the formation of bicarbonate ions that drive aqueous humor secretion. By limiting this fluid production, the drug lowers intra‑ocular pressure, helping to protect the optic nerve from pressure‑related damage in glaucomatous conditions.

Side Effects

Adverse reactions may occur with ocular administration of Dorzolamide Hydrochloride.

Common Side Effects

  • Transient eye burning or stinging after instillation.
  • Blurred vision or temporary visual disturbance.
  • Altered taste sensation when the solution drains into the throat.
  • Conjunctival hyperemia (eye redness).

Serious or Rare Side Effects

  • Severe allergic reaction including angio‑edema or anaphylaxis.
  • Corneal edema or keratitis leading to visual impairment.
  • Persistent intra‑ocular inflammation that may threaten vision.

Precautions & Warnings

  • Before prescribing Dorzolamide Hydrochloride, clinicians should consider several safety aspects.
  • Assess intra‑ocular pressure regularly: ensure therapeutic effect and adjust therapy as needed.
  • Avoid use in patients with sulfonamide hypersensitivity: consider alternative agents.
  • Do not instill while wearing contact lenses: remove lenses before dosing and wait before reinserting.
  • Monitor for systemic carbonic anhydrase inhibition: watch for signs of metabolic acidosis in susceptible patients.
  • Store at room temperature: keep in the original container, protect from light and moisture.

Avoid Interactions

Dorzolamide Hydrochloride may interact with other medications affecting ocular pressure or systemic carbonic anhydrase activity.

Major Interactions (Avoid)

  • Systemic carbonic anhydrase inhibitors (e.g., acetazolamide): additive IOP‑lowering effect and risk of metabolic acidosis.
  • Topical beta‑blockers combined with other IOP‑lowering agents: may cause excessive hypotony.

Moderate Interactions (Monitor Closely)

  • Topical corticosteroids: can increase IOP, requiring closer pressure monitoring.
  • Systemic sulfonamides: potential cross‑reactivity in sulfonamide‑allergic patients.
  • Anticholinergic eye drops: may alter tear film and affect drug absorption.

Frequently Asked Questions

Itoco contains Dorzolamide Hydrochloride, an ophthalmic carbonic anhydrase inhibitor prescribed to lower intra‑ocular pressure in patients with open‑angle glaucoma, ocular hypertension, and certain secondary glaucomas. By reducing aqueous humor production, it helps protect the optic nerve and preserve visual function.

Dorzolamide Hydrochloride blocks carbonic anhydrase enzymes in the ciliary body, decreasing bicarbonate formation that drives aqueous humor secretion. This reduction in fluid production lowers intra‑ocular pressure, which is the primary therapeutic goal in glaucoma and related pressure‑elevating eye conditions.

The specific dosing regimen for Itoco is determined by the prescribing ophthalmologist based on the patient’s condition, severity, and response to therapy. Typically, the medication is administered as one or two drops per eye daily, but exact frequency and duration must follow the prescriber’s instructions.

Safety data for Dorzolamide Hydrochloride in pregnancy and lactation are limited. The product should only be used if the potential benefit justifies any potential risk to the fetus or infant. Healthcare providers should discuss individual risk factors and consider alternative treatments when appropriate.

To request Itoco, 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 (including any cold‑chain needs), and import documentation.

Itoco (Dorzolamide) is a carbonic anhydrase inhibitor, differing from prostaglandin analogues, beta‑blockers, or alpha‑agonists in its mechanism of reducing aqueous humor production. It can be used alone or in combination with other classes to achieve additive IOP reduction, offering flexibility for patients who need multi‑modal therapy.

Itoco should be stored at room temperature, preferably below 25 °C, in its original container. Protect the bottle from direct sunlight and moisture. Keep the solution tightly capped when not in use and discard any product that appears discolored or contaminated.

Itoco is applied as an eye drop. The patient should wash hands, tilt the head back, pull down the lower eyelid, and place one drop into the conjunctival sac. Contact lenses should be removed before instillation and reinserted after waiting a few minutes to avoid drug absorption issues.

Serious adverse events, though rare, include severe allergic reactions such as angio‑edema or anaphylaxis, corneal edema or keratitis that can impair vision, and persistent intra‑ocular inflammation. Patients should seek immediate medical attention if they experience sudden vision loss, intense eye pain, or signs of systemic allergy.

Itoco is contraindicated in individuals with a known hypersensitivity to Dorzolamide, sulfonamides, or any component of the formulation. Patients with severe sulfonamide allergy, active ocular infections, or those who cannot safely remove contact lenses before dosing should avoid using this product.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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