Europe — EMA
Mizollen (Mizolastine)
GNH USA supplies Mizollen (Mizolastine), a second‑generation H1 antihistamine for allergic rhinitis and urticaria. Request a quote for global supply.
Request sourcing
What is Mizolastine?
Mizolastine, the active ingredient in Mizollen, is a second‑generation H1 antihistamine presented as an oral tablet for oral use. It is used to relieve allergic symptoms such as sneezing, runny nose, and itching in patients with allergic rhinitis and related conditions.
GNH USA supplies Mizollen as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Mizolastine used for?
Mizollen is a second‑generation H1 antihistamine indicated for allergic conditions affecting the upper airway and skin. - Allergic rhinitis: reduces nasal congestion, sneezing, and rhinorrhea. - Seasonal allergic rhinitis: alleviates symptoms triggered by pollen or other seasonal allergens. - Chronic idiopathic urticaria: helps control itching and hives associated with chronic hives.
What are the side effects of Mizolastine?
Mizollen may cause a range of adverse reactions, most of which are mild and reversible.
Common Side Effects: - Headache: mild to moderate intensity. - Dry mouth: sensation of reduced salivation. - Fatigue: feeling of tiredness without exertion. - Nausea: occasional upset stomach. - Dizziness: transient light‑headedness. - Abdominal discomfort: mild stomach pain.
Serious or Rare Side Effects: - Anaphylaxis: severe allergic reaction requiring immediate medical attention. - Cardiac arrhythmia: irregular heart rhythm reported rarely. - Hepatotoxicity: signs of liver injury such as jaundice. - Severe skin reactions: Stevens‑Johnson syndrome or toxic epidermal necrolysis. - Hematologic abnormalities: unexplained bruising or low blood counts. - Persistent dizziness or syncope: fainting episodes.
What precautions apply to Mizolastine?
Before using Mizollen, consider the following safety measures. - Pregnancy: consult a healthcare professional; safety data are limited. - Breastfeeding: discuss potential infant exposure with a physician. - Liver impairment: dose adjustment may be required in hepatic dysfunction. - Renal impairment: monitor renal function; adjust dose if necessary. - Driving or machinery: avoid activities requiring alertness if dizziness occurs. - Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture and direct sunlight.
What does Mizolastine interact with?
Mizollen can interact with other medicines; awareness of the interaction level helps manage risk.
Major Interactions (Avoid): - Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): may increase mizolastine plasma concentrations. - Other H1 antihistamines: additive sedation or anticholinergic effects. - Monoamine oxidase inhibitors (MAOIs): risk of heightened antihistaminic effects.
Moderate Interactions (Monitor Closely):\n- Alcohol: may enhance drowsiness. - CNS depressants (e.g., benzodiazepines): monitor for increased sedation. - Anticholinergic drugs: watch for amplified dry‑mouth or constipation.



