Olopatadine (ophthalmic route)

• Treats eye itching and redness caused by allergies (allergic conjunctivitis).
• Helps with reactions to pollen, dust, pet dander, grass, etc.
• Works by blocking histamine (a chemical that causes allergy symptoms).

Availability

• Strengths: 0.1%, 0.2%, 0.7%

Who can use it?

• Generally safe for adults and children
• Breastfeeding: not well studied → consult a doctor

How to use?

• Typical dosing:
  • 0.1% → twice daily
  • 0.2% / 0.7% → once daily
• Key instructions:
  • Wash hands before use
  • Do not touch dropper tip
  • Remove contact lenses before use (wait ≥10 min before reinserting)
  • Keep eye closed 1–2 minutes after applying

Important precautions

• Not for irritation caused by contact lenses
• See a doctor if:
  • Symptoms don’t improve or worsen
• Inform your doctor about:
  • Allergies
  • Other medications (some interactions possible)

Side effects

Seek medical help immediately if:

• Eye pain, severe redness, or swelling
• Trouble breathing
• Swelling of face/lips/eyelids

Common (usually mild):

• Headache
• Runny/stuffy nose
• Sore throat

Less common:

• Eye irritation, light sensitivity
• Nausea, cough, fatigue, etc.

Storage

• Keep at room temperature
• Avoid heat, light, and freezing
• Keep out of reach of children

Key takeaway

• Effective anti-allergy eye drop
• Generally safe when used correctly
• Proper technique and hygiene are important
• Watch for serious allergic reactions or worsening symptoms