Product image of Itulazax (Betula Verrucosa (108)) supplied by GNH India

Itulazax

Active Ingredient:
Betula Verrucosa (108)
Origin:
EU

Itulazax (Betula Verrucosa (108))

Betula verrucosa, the active ingredient in Itulazax, is a allergen immunotherapy presented as a sublingual preparation for sublingual use. It treats seasonal allergic rhinitis caused by birch pollen in patients with documented sensitivity.

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

Manufacturer / TM Owner

Alk-Abello A/S

1
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Indications & Clinical Uses

  • Itulazax is used in allergen immunotherapy to address birch pollen‑induced seasonal allergic rhinitis.
  • Seasonal allergic rhinitis (birch pollen): reduces nasal congestion, sneezing, and itching by inducing immune tolerance.

How It Works

  • Betula verrucosa extract contains the major birch pollen allergens. Repeated sublingual administration delivers these proteins to oral mucosal immune cells, promoting the generation of regulatory T‑cells and IgG4 antibodies while decreasing allergen‑specific IgE. This shift in the immune response attenuates mast‑cell activation and the release of histamine, leading to long‑term tolerance to birch pollen exposure and improves clinical symptoms during the pollen season.

Side Effects

Adverse reactions to Itulazax are generally mild, but patients should be aware of possible side effects.

Common Side Effects

  • Mild oral itching: transient irritation under the tongue
  • Transient throat irritation: mild soreness after dosing
  • Mild nasal congestion: temporary stuffiness

Serious or Rare Side Effects

  • Anaphylaxis: severe systemic allergic reaction requiring emergency care
  • Angioedema: swelling of lips, tongue or airway
  • Severe asthma exacerbation: sudden worsening of breathing

Precautions & Warnings

Before prescribing Itulazax, clinicians should consider the following precautions.

  • Assess allergy history: confirm birch pollen sensitivity with skin test or specific IgE.
  • Monitor during first administrations: observe for systemic reactions for at least 30 minutes.
  • Avoid use in uncontrolled asthma: risk of severe respiratory events.
  • Pregnancy and lactation: safety not established; weigh benefits against potential risks.
  • Concomitant immunotherapy: do not combine with other allergen extracts without specialist advice.
  • Store below 25°C: keep in original container, protect from moisture and direct sunlight.

Avoid Interactions

Itulazax may interact with other medications or substances as follows.

Major Interactions (Avoid)

  • Beta‑blockers: may mask symptoms of anaphylaxis and hinder treatment.
  • ACE inhibitors: increase risk of angioedema when combined with allergen exposure.

Moderate Interactions (Monitor Closely)

  • Antihistamines: may reduce perceived efficacy; timing of dose may need adjustment.
  • Corticosteroids: concurrent use may alter immune response; monitor clinical outcome.
  • Other allergen immunotherapies: overlapping exposure may increase systemic reaction risk.

Frequently Asked Questions

Itulazax is indicated for the treatment of seasonal allergic rhinitis caused by birch (Betula verrucosa) pollen. It is used to reduce nasal symptoms such as sneezing, itching, and congestion by gradually desensitizing the immune system to the birch allergen through sublingual exposure.

Betula verrucosa extract contains the primary birch pollen allergens. When administered sublingually, the extract is taken up by oral mucosal immune cells, which promotes the development of regulatory T‑cells and allergen‑specific IgG4 antibodies while suppressing IgE production. This immune shift reduces mast‑cell activation and alleviates allergic symptoms.

The dosing regimen for Itulazax is individualized and determined by the prescribing clinician based on the patient’s age, severity of allergy, and response to therapy. The prescriber will establish the initial dose, titration schedule, and maintenance dose according to current clinical guidelines and the product’s prescribing information.

Safety data for Itulazax in pregnancy and lactation are limited, and the product is not classified in a specific pregnancy category. Healthcare providers should evaluate the potential benefits against any possible risks before prescribing to pregnant or nursing women, and discuss alternative management options when appropriate.

To order Itulazax, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide. After the request, the sales team will verify trade or institutional credentials, then provide pricing, availability, shipping details (including any cold‑chain requirements) and necessary import documentation.

Itulazax is a sublingual immunotherapy (SLIT) product, whereas many alternative birch allergen therapies are administered via subcutaneous injection (SCIT). SLIT offers the convenience of at‑home dosing and avoids frequent clinic visits, but both approaches aim to induce long‑term tolerance. Clinical choice depends on patient preference, adherence potential, and physician assessment of efficacy and safety.

Itulazax should be stored below 25 °C in its original packaging. Protect the product from moisture, direct sunlight, and extreme temperature fluctuations. Do not freeze the preparation. Keep the container tightly closed when not in use and keep it out of reach of children.

Itulazax is administered as a sublingual preparation. The patient places the prescribed dose under the tongue, holds it there for the recommended time (usually 1–2 minutes), and then swallows. No water or food should be taken for at least 15 minutes after dosing to ensure optimal absorption.

The most serious risks include systemic allergic reactions such as anaphylaxis, angioedema affecting the lips, tongue or airway, and severe asthma exacerbations. Patients should be observed after the first few doses and instructed to seek immediate medical attention if they experience any signs of a severe reaction.

Itulazax is contraindicated in individuals with a known hypersensitivity to Betula verrucosa extract or any excipients in the formulation. It should also be avoided in patients with uncontrolled asthma, those receiving beta‑blockers for cardiovascular conditions, and persons with a history of severe systemic reactions to allergen immunotherapy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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