Opexa (Bilastine)

Bilastine, the active ingredient in Opexa, is an antihistamine presented as a tablet for oral use. It treats allergic rhinitis and chronic urticaria in adults and children. GNH USA supplies Opexa as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

GNH USA supplies Opexa as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Bilastine is used to manage allergy‑related conditions by blocking histamine receptors.

- Allergic rhinitis: reduces nasal congestion, itching and sneezing. - Chronic spontaneous urticaria: alleviates wheals and itching. - Seasonal allergy symptoms: provides relief from pollen‑induced nasal and ocular irritation. - Food‑related allergic reactions: helps control mild histamine‑mediated symptoms. - Dermatologic itching associated with allergic dermatitis: lessens itch intensity.

Bilastine is generally well‑tolerated, but adverse reactions can occur.

Common Side Effects: - Headache - Dry mouth - Drowsiness (rare) - Fatigue - Nausea

Serious or Rare Side Effects: - Severe skin reactions such as Stevens‑Johnson syndrome - Anaphylaxis - Cardiac arrhythmias - Hepatotoxicity - Blood dyscrasias - Persistent dizziness

When prescribing bilastine, consider the following safety measures:

- Pregnancy: consult the prescriber to assess risk and benefit. - Breastfeeding: evaluate potential exposure to the infant. - Renal impairment: dose adjustment may be required. - Concomitant alcohol or CNS depressants: monitor for enhanced sedation. - Drug‑interaction potential: review patient’s medication list. - Store at below 25°C: keep in the original packaging, protect from moisture and light.

Bilastine may interact with several medicines that affect its absorption or metabolism.

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