Description:

Relestat is a prescription-only ophthalmic solution containing 0.5 mg/ml of epinastine hydrochloride, an antihistamine that acts as a selective H₁-receptor antagonist. It is primarily used to alleviate symptoms of seasonal allergic conjunctivitis, such as itching, redness, and swelling of the eyes. ​

 Prescription:

• Yes, Relestat is a prescription-only medication and should be used under the guidance of a healthcare professional. ​

 Dosage:

• Adults and adolescents (≥12 years): Instill 1 drop into each affected eye twice daily during the symptomatic period.
• Duration: Use for no longer than 8 weeks unless directed otherwise by a healthcare provider.

Therapeutic Category:

• Ophthalmic antihistamine

⚗️ Active Ingredients/Composition:

• Active Ingredient: Epinastine hydrochloride 0.5 mg/ml (equivalent to 0.436 mg/ml of epinastine)
• Excipient(s): Benzalkonium chloride (0.1 mg/ml), disodium edetate, sodium chloride, sodium dihydrogen phosphate dihydrate, sodium hydroxide/hydrochloric acid (for pH adjustment), purified water

 Variant:

• Relestat is available in a 5 ml sterile plastic dropper bottle. 

Consume Type:

• Ophthalmic (eye drops)​

 Directions/Usage:

1. Wash hands thoroughly before use.
2. Shake the bottle well.
3. Tilt your head back and gently pull down the lower eyelid to form a pocket.
4. Instill 1 drop into the affected eye(s).
5. Close the eye and gently press the inner corner to prevent drainage.
6. Avoid touching the dropper tip to any surface to prevent contamination. ​

Common Side Effects:

• Burning or stinging sensation in the eye (mostly mild)
• Redness or dryness of the eye
• Itchy eyes
• Headache
• Nasal irritation, runny or blocked nose, sneezing
• Unusual taste in the mouth
• Eye discharge
• Increased tear production

Package Type:

• Sterile ophthalmic solution in a 5 ml polyethylene bottle with a white polystyrene screw cap.

Storage Advice:

• Store at or below 25°C.
• Keep the bottle in the original box to protect from light.
• Discard the bottle 28 days after opening, even if some solution remains, to prevent contamination.
• Keep out of reach of children.

Safety Advice:

• For topical ophthalmic use only; do not ingest or inject.
• Avoid contact with soft contact lenses; remove lenses before application and wait at least 15 minutes before reinsertion.
• Contains benzalkonium chloride, which may cause eye irritation and discolor soft contact lenses.
• Use with caution in patients with severe corneal damage due to the presence of phosphates.

Product Substitutes:

• Alrex (loteprednol etabonate)
• Zaditor (ketotifen fumarate)
• Pataday (olopatadine hydrochloride)
• Emadine (emedastine difumarate)​

Manufacturer/Marketer:

• AbbVie Ltd., Citywest Business Campus, Co Dublin 24, Ireland​

 Country of Origin:

• Ireland​