Ocurest-AH Eye Drops
Ocurest-AH — phenylephrine + naphazoline + chlorpheniramine + menthol/camphor multi-action eye drop for allergic redness. Short courses only — rebound congestion risk.
✓ Lékařsky ověřeno Morgan Ellis — Pharmacy Researcher · 8 years experience Last reviewed: May 2026
⚡ Quick Answer — What are Ocurest-AH Eye Drops?
Ocurest-AH Eye Drops are combination allergy eye drops containing a topical antihistamine (chlorpheniramine) plus two topical decongestants (phenylephrine and naphazoline), with menthol and camphor for a cooling sensation. They quickly relieve itchy, red, watery, and swollen eyes caused by seasonal allergies, dust, smoke, or eye irritation. One or two drops in each affected eye, 2–3 times daily. Do not use for more than 3–5 consecutive days — decongestant eye drops cause “rebound redness” with prolonged use (the eyes become redder when the drops wear off). Safer long-term alternatives: mometasone nasal spray, oral antihistamines, or preservative-free olopatadine / ketotifen eye drops. Avoid in narrow-angle glaucoma. Remove contact lenses before use; wait 15 minutes before reinserting.
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What Are Ocurest-AH Eye Drops?
Ocurest-AH Eye Drops are multi-ingredient ophthalmic drops combining five active components that together calm the allergy-irritated eye:
- Chlorpheniramine maleate — a topical antihistamine; blocks H1 receptors in the conjunctiva to stop itch
- Phenylephrine — a selective α1-adrenergic agonist; narrows dilated conjunctival blood vessels to reduce redness
- Naphazoline — a longer-acting α-adrenergic agonist with similar vasoconstrictor effect
- Menthol a Camphor — mild cooling sensation and counter-irritant; give the characteristic “refreshed” feel on instillation
Manufactured by Centaur Pharmaceuticals; supplied as 1, 2 or 3 bottles (10 mL each) (Phenylephrine + Naphazoline + Chlorpheniramine + Menthol + Camphor). They are an over-the-counter, short-term option for itchy, red, watery eyes — not a long-term controller of allergic conjunctivitis.
What Are Ocurest-AH Eye Drops Used For?
- Short-term relief of allergic conjunctivitis — itching, watering, redness, mild swelling
- Eye irritation from pollen, dust, smoke, or chlorinated water
- Mild congestion and redness from tired eyes or prolonged screen use
- Adjunctive relief alongside oral antihistamines during high-pollen days
Ocurest-AH Eye Drops are ne indicated for:
- Bacterial or viral conjunctivitis (these need antibiotic drops or antiviral treatment, not antihistamine/decongestant)
- Dry eye syndrome (lubricant drops are better)
- Long-term daily control of chronic allergic eye disease (use olopatadine, ketotifen, or cromoglicate instead)
- Glaucoma or raised intraocular pressure
How Do Ocurest-AH Eye Drops Work?
The five actives target different parts of the allergic-irritation cascade:
- Chlorpheniramine blocks histamine at H1 receptors on conjunctival mast cells and sensory nerves — the mechanism that drives itching and watering.
- Phenylephrine a naphazoline stimulate α1-adrenergic receptors on conjunctival blood vessels, causing vasoconstriction — the redness fades within minutes.
- Menthol activates TRPM8 cold-sensitive receptors, giving a cool, calming sensation. Camphor has mild counter-irritant and antipruritic properties.
Onset of redness relief: within 1–2 minutes. Itch relief: 5–15 minutes. Duration: 2–6 hours per dose.
Dosage and Administration
Adults and children aged 12+: 1–2 drops in each affected eye, 2–3 times daily, as required.
Maximum duration of continuous use: 3–5 days. If symptoms persist beyond this, see an eye-care professional — prolonged use of vasoconstrictor eye drops causes rebound redness (the eyes look worse once each dose wears off).
How to instil drops:
- Wash your hands.
- Remove contact lenses if worn.
- Tilt your head back slightly and look upward.
- Pull the lower eyelid down gently to form a pocket.
- Hold the bottle close but not touching the eye or eyelashes.
- Instil 1–2 drops into the pocket.
- Close the eye and press gently on the inner corner (against the nose) for 1 minute — this reduces drainage into the nose and systemic absorption.
- Wait 15 minutes before reinserting contact lenses.
Side Effects
Common:
- Transient stinging, burning, or warmth on instillation
- Mild blurred vision for 30–60 seconds
- Tearing, dryness, or mild eye discomfort
- Dilated pupils (occasional, from the decongestant component)
Uncommon but important:
- Rebound redness with use beyond 5 days — the conjunctival vessels become more reactive, and the eye looks more red once the drop wears off
- Raised intraocular pressure — particularly risky in undiagnosed angle-closure glaucoma
- Acute angle-closure glaucoma attack in predisposed eyes (shallow anterior chamber) — sudden eye pain, blurred vision, nausea; medical emergency
- Allergic reaction to the preservative (benzalkonium chloride) — contact dermatitis of the lids
- Headache, palpitations, raised blood pressure — rare, from systemic absorption of the decongestants
Who Should Not Use Ocurest-AH Eye Drops?
- Narrow-angle (closed-angle) glaucoma or shallow anterior chamber — decongestants can precipitate an angle-closure attack
- Known hypersensitivity to any of the five active ingredients or to benzalkonium preservative
- Uncontrolled hypertension or severe cardiovascular disease
- Concurrent use of monoamine oxidase inhibitors (MAOIs) within 14 days
- Children under 2 years — generally avoid
- Pregnancy and breastfeeding — discuss with a doctor; short-term use probably safe but systemic alternatives are preferred
Contact lens wearers: remove lenses before instillation; benzalkonium chloride (the preservative) can bind to soft lenses and cause irritation. Wait 15 minutes before reinserting.
Storage
Store Ocurest-AH Eye Drops below 25°C in a dry place, with the cap tightly closed. Keep out of reach of children. Discard 4 weeks after first opening (bacterial contamination risk) or per the label expiry if sooner.
Často kladené dotazy
Why should I not use Ocurest-AH Eye Drops for more than a few days?
The vasoconstrictor components (phenylephrine and naphazoline) narrow the conjunctival blood vessels to reduce redness. With daily use beyond 3–5 days, the vessels become more sensitive and dilate back harder when each dose wears off — the eyes then look more red than before. This is “rebound redness,” the ocular equivalent of rhinitis medicamentosa from oxymetazoline nasal sprays. For chronic allergic eye disease, switch to olopatadine, ketotifen, or cromoglicate eye drops — these do not cause rebound.
Can I use Ocurest-AH Eye Drops with my contact lenses in?
No — remove lenses before instillation. The preservative benzalkonium chloride binds to soft contact lens material and can cause irritation and reduced lens clarity. Wait 15 minutes after instilling drops before reinserting.
My eyes are red and itchy for weeks — is Ocurest-AH Eye Drops the right treatment?
Not for chronic symptoms. Ocurest-AH Eye Drops is a short-term symptomatic reliever. For ongoing allergic conjunctivitis, see a clinician — better options include mast-cell-stabiliser / antihistamine combination drops (olopatadine, ketotifen, alcaftadine), oral 2nd-generation antihistamines, or an intranasal corticosteroid (which also reduces eye symptoms through the nasal-ocular reflex).
Are Ocurest-AH Eye Drops safe in children?
They are usually labelled for adults and children aged 12 and over. Younger children should use alternatives — preservative-free lubricant drops, single-active antihistamine drops, or treatment of the underlying allergy systemically. Do not use Ocurest-AH Eye Drops in children under 2 years.
Can I use Ocurest-AH Eye Drops with an oral antihistamine and a nasal spray?
Yes — short-term use alongside oral loratadine/cetirizine/fexofenadine and an intranasal corticosteroid is safe and often used during peak pollen days. Do not make Ocurest-AH Eye Drops the primary long-term treatment.
Where can I buy Ocurest-AH Eye Drops online?
You can order Ocurest-AH Eye Drops (Phenylephrine + Naphazoline + Chlorpheniramine + Menthol + Camphor) from MedsBase as 1, 2 or 3 bottles (10 mL each). We ship worldwide with discreet packaging and genuine WHO-GMP certified manufacturer stock.
Related Allergy Medications
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- Meta Spray — Mometasone nasal spray
- Arzep — Azelastine + Fluticasone nasal spray
- Xyzal — Levocetirizine
- Loratin — Loratadine
- Browse all Hay Fever & Allergy Medications
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| Síla | 10 ml |
|---|---|
| Množství | 1 Bottle/s, 2 Bottle/s, 3 Bottle/s, 6 Bottle/s |
Ocurest-AH Eye Drops
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