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 an allergen extract presented as a sublingual formulation for sublingual use. It is employed to treat 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 an allergen extract used in allergy immunotherapy for patients sensitized to birch pollen.

  • Allergic rhinitis (birch pollen): reduces nasal congestion, sneezing, and itching by inducing tolerance to the birch allergen.
  • Seasonal allergic conjunctivitis (birch pollen): alleviates eye redness and itching through the same immunological mechanism.
  • Preventive seasonal allergy management: helps maintain symptom control throughout the birch pollen season.

How It Works

  • Itulazax delivers controlled amounts of Betula verrucosa allergen to the oral mucosa, where it is taken up by antigen‑presenting cells. This exposure promotes a shift from a Th2‑dominant response toward regulatory T‑cell activity, increasing allergen‑specific IgG4 and reducing IgE‑mediated mast cell activation, thereby fostering immunological tolerance to birch pollen.

Side Effects

Side effects are generally mild and related to local exposure of the oral mucosa.

Common Side Effects

  • Oral itching or tingling: transient sensation in the mouth after administration.
  • Mild throat irritation: slight discomfort that resolves without intervention.
  • Taste disturbance: temporary alteration in taste perception.

Serious or Rare Side Effects

  • Anaphylaxis: severe, systemic allergic reaction requiring immediate medical attention.
  • Angioedema of the lips or tongue: swelling that may compromise airway.
  • Respiratory distress: difficulty breathing indicating a systemic response.
  • Urticaria: widespread hives occurring after dosing.

Precautions & Warnings

Patients should be evaluated for allergy severity and monitored during initial dosing.

  • Initial dosing under medical supervision: observe for adverse reactions during the first administration.
  • Contraindicated in individuals with a history of severe anaphylaxis to birch pollen.
  • Caution in uncontrolled asthma: may increase risk of bronchospasm.
  • Avoid concurrent use of other allergen extracts without physician guidance.
  • Store at ambient temperature: keep in the original pack, protect from moisture and direct sunlight.

Avoid Interactions

Potential drug interactions should be reviewed before initiating therapy.

Major Interactions (Avoid)

  • Concurrent use of ACE inhibitors in patients with a history of angioedema: may exacerbate swelling.
  • Beta‑blockers during immunotherapy: can mask early signs of anaphylaxis.

Moderate Interactions (Monitor Closely)

  • Other sublingual immunotherapy products: may increase cumulative allergen exposure.
  • Antihistamines taken shortly before dosing: may reduce local reaction but do not affect efficacy.
  • Immunosuppressive agents: could alter the immune response to the allergen extract.

Frequently Asked Questions

Itulazax is an allergen extract indicated for the treatment of allergic rhinitis caused by birch pollen. By exposing the immune system to controlled amounts of Betula verrucosa allergen, it helps reduce nasal symptoms and improves tolerance during the birch pollen season.

Betula verrucosa in Itulazax acts as a sublingual immunotherapy agent. The allergen is presented to immune cells in the oral mucosa, promoting regulatory T‑cell development and increasing IgG4 antibodies while decreasing IgE‑mediated responses, thereby inducing long‑term tolerance to birch pollen.

The dosing regimen for Itulazax is individualized. A qualified healthcare professional determines the starting dose, escalation schedule, and maintenance dose based on the patient’s sensitivity, age, and clinical response. Patients should follow the prescriber’s instructions precisely.

Safety data for Itulazax 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. Clinicians should discuss the risk‑benefit profile with pregnant or nursing patients before prescribing.

To order Itulazax, 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 cold‑chain if needed), and import documentation.

Itulazax provides sublingual allergen immunotherapy, which differs from symptomatic antihistamines or nasal corticosteroids that only relieve symptoms. Compared with subcutaneous immunotherapy, the sublingual route offers self‑administration at home and a lower risk of systemic reactions, while still delivering disease‑modifying tolerance.

Itulazax should be stored at ambient temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight, and extreme temperatures. Do not refrigerate unless specifically instructed by the manufacturer.

Itulazax is administered sublingually. The patient places the prescribed dose under the tongue and holds it for the recommended time before swallowing, allowing the allergen to be absorbed through the oral mucosa. Administration should be performed under medical guidance, especially during the initial dosing period.

The most serious risks include systemic allergic reactions such as anaphylaxis, angioedema of the lips or tongue, and respiratory distress. Patients should be observed after the first dose and instructed to seek immediate medical care if they experience any signs of a severe reaction.

Itulazax is contraindicated in individuals with a known severe anaphylactic reaction to birch pollen or any component of the formulation. Patients with uncontrolled asthma or those receiving beta‑blockers should use it only under close medical supervision, and it should be avoided in patients with a history of severe angioedema.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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