Europe — EMA
Levoreact (Levocabastine Hydrochloride)
GNH USA supplies Levoreact (Levocabastine), a antihistamine for allergic rhinitis, including seasonal and perennial forms. Request a quote for global supply.
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What is Levocabastine Hydrochloride?
Levocabastine hydrochloride, the active ingredient in Levoreact, is an antihistamine presented as a nasal spray for nasal use. It treats allergic rhinitis, including seasonal and perennial forms, in patients experiencing nasal allergy symptoms.
GNH USA supplies Levoreact as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Levocabastine Hydrochloride used for?
Levoreact is an antihistamine indicated for allergic conditions affecting the nasal passages.
Allergic rhinitis: reduces nasal congestion, itching, sneezing, and rhinorrhea. Seasonal allergic rhinitis: provides symptom relief during pollen‑related allergy periods. Perennial allergic rhinitis: alleviates year‑round nasal allergy symptoms.
What are the side effects of Levocabastine Hydrochloride?
Levoreact is generally well tolerated, but some users may experience adverse reactions.
Common Side Effects: - Bitter or unpleasant taste in the nose or throat. - Mild nasal irritation or burning sensation. - Transient headache. - Drowsiness or mild fatigue. - Dryness of the nasal mucosa. - Sneezing immediately after administration.
Serious or Rare Side Effects: - Severe allergic reaction (anaphylaxis) with swelling, rash, or difficulty breathing. - Persistent nosebleeds. - Visual disturbances or blurred vision. - Significant nasal ulceration or crusting. - Unexplained palpitations. - Acute sinusitis secondary to irritation.
What precautions apply to Levocabastine Hydrochloride?
Before using Levoreact, consider the following safety measures.
Pregnancy: consult a healthcare professional before use. Breastfeeding: discuss potential risks with a physician. Pediatric use: follow prescriber guidance for children. Concurrent MAOI therapy: avoid due to possible additive antihistaminic effects. Severe nasal infection or trauma: do not use until resolved. Store at room temperature: keep in the original container, protect from moisture and direct sunlight.
What does Levocabastine Hydrochloride interact with?
Levoreact may interact with other medicines; monitor as indicated.
Major Interactions (Avoid): - Monoamine oxidase inhibitors (MAOIs): risk of additive antihistaminic effects. - Other H1‑antihistamines: may increase sedation and anticholinergic load.
Moderate Interactions (Monitor Closely): - Alcohol: can enhance drowsiness. - Central nervous system depressants (e.g., benzodiazepines): monitor for increased sedation. - Anticholinergic agents: may worsen nasal dryness. - Nasal decongestant sprays: risk of heightened nasal irritation.



