PRODUCT DETAILS

Composition

• Active ingredient: Epinastine hydrochloride 0.05% (0.5 mg/mL)
• Class: Second-generation antihistamine (anti-allergic eye drop)
• Preservative: Often benzalkonium chloride (varies by brand)

Indication / Use

Used for:

• Allergic conjunctivitis (eye allergy)
• Relief of:
• Itchy eyes
• Red eyes
• Watery eyes
• Swollen eyelids due to allergies

It treats allergy symptoms, not glaucoma or dry eye.

Direction of Use

• Instill 1 drop into affected eye(s)
• Usually twice daily (morning and evening)
• Use during allergy season or as prescribed
• Do not stop early unless advised by doctor
• Remove contact lenses before use and wait 15 minutes before reinserting

Side Effects

Common:

• Burning or stinging sensation
• Mild eye irritation
• Redness of eyes (conjunctival hyperaemia)
• Itching
• Temporary blurred vision

Less common:

• Headache
• Runny or blocked nose
• Dry eyes
• Increased tearing
• Unusual taste in mouth

Rare/serious:

• Eye swelling
• Severe allergic reaction (face swelling, breathing difficulty)
• Eye pain or significant vision changes

Warnings

• Do not use if allergic to epinastine
• Stop and seek care if:
• Swelling of face/eyes occurs
• Breathing difficulty develops
• Use cautiously if you have:
• Severe eye surface disease (dry eye, corneal damage)
• May cause temporary blurred vision → avoid driving immediately after use

Interactions

• Few significant drug interactions
• Use caution with:
• Other eye drops (space at least 5 minutes apart)
• Allergy medications that may increase drowsiness (rare with eye form but still possible systemically)

Caution

• Do not touch dropper tip to eye or surfaces
• Remove contact lenses before use
• Use only for allergy-related eye symptoms
• May cause short-term stinging after instillation
• If no improvement after ~1–2 weeks, reassessment may be needed
• Store properly and avoid contamination