Europe — EMA
Opatanol (Olopatadine)
GNH USA supplies Opatanol (Olopatadine), an antihistamine for allergic conjunctivitis and rhinitis. Request a quote for global supply.
Request sourcing
What is Olopatadine?
Olopatadine, the active ingredient in Opatanol, is an antihistamine presented as a tablet for oral use. It treats allergic conjunctivitis and seasonal allergic rhinitis in adults and children. GNH USA supplies Opatanol as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals and pharmacies worldwide.
GNH USA supplies Opatanol as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals and pharmacies worldwide.
What is Olopatadine used for?
Opatanol is an antihistamine that acts on allergic pathways to relieve symptoms of hypersensitivity reactions.
- Allergic conjunctivitis: reduces eye itching, redness and watery discharge. - Seasonal allergic rhinitis: alleviates nasal congestion, sneezing and itching. - Chronic urticaria: helps control hives and associated itching.
What are the side effects of Olopatadine?
Adverse reactions to Opatanol are generally mild to moderate and vary with individual sensitivity.
Common Side Effects: - Headache - Dry mouth - Transient ocular irritation - Mild drowsiness - Nausea - Blurred vision
Serious or Rare Side Effects: - Severe allergic reaction (anaphylaxis) - Angio‑edema - Persistent eye irritation - Significant visual disturbances - Cardiovascular irregularities - Hepatic enzyme elevation
What precautions apply to Olopatadine?
When prescribing Opatanol, clinicians should consider patient‑specific factors and follow standard safety measures.
- Renal impairment: adjust dose if needed. - Hepatic impairment: use with caution. - Pregnancy: only if clearly needed. - Breastfeeding: monitor infant for adverse effects. - Concomitant CNS depressants: may increase drowsiness. - Store at ambient temperature: keep in original packaging, protect from moisture and light.
What does Olopatadine interact with?
Opatanol may interact with other medications that influence histamine pathways or central nervous system activity.
Major Interactions (Avoid):\n- Monoamine oxidase inhibitors (MAOIs): risk of heightened antihistaminic effects. - Other potent antihistamines: may cause excessive sedation.
Moderate Interactions (Monitor Closely): - Alcohol: can increase drowsiness. - Sedative‑type analgesics (e.g., tramadol). - Certain antidepressants (e.g., tricyclics). - Anticholinergic drugs. - CYP450‑modulating agents (may affect metabolism).
