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 in allergy immunotherapy to desensitize individuals with sensitivity to birch pollen and related allergens. The preparation is administered under medical supervision and is intended to modify the immune response, reducing symptoms such as nasal congestion, sneezing, and ocular irritation associated with birch pollen exposure. Treatment is typically part of a broader allergen immunotherapy program that may include other relevant extracts.

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, a sublingual allergen extract, is used in allergy immunotherapy targeting birch pollen–related hypersensitivity.

  • Birch pollen allergic rhinitis: reduces nasal congestion, sneezing, and itching by inducing tolerance to birch pollen.
  • Birch pollen‑induced allergic conjunctivitis: alleviates eye redness, tearing, and itching through immune modulation.
  • Oral allergy syndrome related to birch: diminishes oral itching and swelling when consuming cross‑reactive foods.

How It Works

  • Itulazax contains standardized Betula verrucosa proteins that are presented to the immune system via the sublingual mucosa. Repeated exposure promotes regulatory T‑cell activation and a shift from allergen‑specific IgE toward IgG4 antibodies, thereby decreasing mast‑cell degranulation and attenuating the clinical allergic response to birch pollen.

Side Effects

Common Side Effects

  • Oral itching or mild throat irritation.
  • Transient nasal congestion or sneezing.
  • Mild gastrointestinal discomfort such as nausea.
  • Headache or mild fatigue.
  • Localized swelling of the lips or tongue.
  • Temporary increase in allergic symptoms after the first dose.

Serious or Rare Side Effects

  • Anaphylaxis or severe systemic allergic reaction.
  • Angioedema affecting the face, lips, or airway.
  • Severe urticaria or widespread hives.
  • Respiratory distress requiring emergency intervention.
  • Cardiovascular collapse or hypotension.

Precautions & Warnings

Before initiating therapy, patients should be evaluated for suitability and monitored closely.

  • Medical supervision: administration must occur under physician guidance.
  • Allergy testing: confirm birch pollen sensitivity prior to use.
  • Pregnancy and lactation: discuss potential risks with a healthcare provider.
  • Concomitant medications: avoid beta‑blockers that may mask anaphylaxis.
  • Adverse reaction monitoring: observe the patient for at least 30 minutes after the first dose.
  • Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Potential drug interactions should be reviewed before treatment.

Major Interactions (Avoid)

  • Beta‑blockers: may interfere with emergency treatment of anaphylaxis.
  • ACE inhibitors: increase the risk of angioedema.

Moderate Interactions (Monitor Closely)

  • Antihistamines: may mask early signs of a systemic reaction.
  • Immunosuppressants: could reduce the efficacy of immunotherapy.
  • Other allergen extracts: concurrent use may raise the likelihood of systemic allergic responses.

Frequently Asked Questions

Itulazax is a sublingual allergen extract containing Betula verrucosa, used in allergy immunotherapy to reduce symptoms of birch pollen–related allergic rhinitis, conjunctivitis, and oral allergy syndrome by gradually desensitizing the immune system.

Betula verrucosa provides standardized birch pollen proteins that stimulate regulatory immune pathways when administered sublingually. This promotes a shift from IgE‑mediated responses toward IgG4 production and regulatory T‑cell activity, decreasing mast‑cell activation and clinical allergy symptoms.

The dosing regimen for Itulazax is determined individually by a qualified healthcare professional based on the patient’s sensitivity, age, and treatment goals. The prescriber sets the initial dose and any subsequent titration steps.

Safety data for Itulazax in pregnancy and lactation are limited. Women who are pregnant, planning pregnancy, or breastfeeding should discuss potential risks and benefits with their physician before starting therapy.

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 any cold‑chain requirements), and necessary import documentation.

Itulazax is a sublingual extract, whereas some alternatives are tablet‑based or injectable extracts. Sublingual delivery offers ease of administration without injections and can be started in an outpatient setting, but efficacy and safety profiles are comparable when prescribed and monitored appropriately.

Itulazax should be stored at ambient temperature, below 25 °C, in its original packaging. Protect the product from moisture, direct sunlight, and extreme temperature fluctuations to maintain potency.

Itulazax is administered sublingually, typically by placing the prescribed dose under the tongue and holding it for a few minutes before swallowing. The first dose and any dose adjustments should be given under medical supervision with observation for adverse reactions.

The most serious risks include severe systemic allergic reactions such as anaphylaxis, angioedema, and respiratory distress. Patients should be monitored after the initial dose and instructed to seek immediate medical attention if signs of a severe reaction develop.

Itulazax is contraindicated in individuals with a known hypersensitivity to Betula verrucosa extract or any excipients, those with uncontrolled severe asthma, or patients who have experienced a severe systemic reaction to a previous dose of the same extract.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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