The Story
Are OPTASE Allergy Eye Drops Right for You?
If your eyes itch, water, and turn red every time pollen season arrives — or when you're around pets, dust, or mould — you're not alone. Allergic conjunctivitis affects millions of people in the UK each year, and it can make daily life genuinely miserable. Allergy eye drops are one of the most targeted ways to tackle those symptoms right at the source. OPTASE Allergy Eye Drops come in a pack of 20 preservative-free, single-dose 0.5ml units, making them a hygienic and convenient option for on-the-go relief. You can browse the full range of eye care products at Cured Pharmacy if you're looking for something to complement your routine.
Each unit contains sodium cromoglicate 2%, a well-established mast cell stabiliser used in the management of allergic conjunctivitis. Because the units are preservative-free, they're particularly well suited to people with sensitive eyes who may react to the preservatives found in multi-dose bottles. At £9.99 for 20 units, they offer a practical solution for managing seasonal or perennial eye allergy symptoms.
How Do OPTASE Allergy Eye Drops Work?
Sodium cromoglicate works by stabilising mast cells in the conjunctival tissue of the eye. When you're exposed to an allergen — pollen, pet dander, dust mites — your immune system triggers mast cells to release histamine and other inflammatory chemicals. It's that histamine release that causes the itching, redness, and watering you feel. Sodium cromoglicate essentially puts a brake on that process before it gets started.
- Allergen enters the eye and binds to IgE antibodies on mast cells
- Sodium cromoglicate stabilises the mast cell membrane, preventing degranulation
- Histamine and other mediators are not released
- Inflammatory symptoms — itching, redness, watering — are reduced or prevented
It's worth noting that sodium cromoglicate works best when used regularly and ideally before allergen exposure begins. It's a preventative agent as much as a symptomatic one, so starting treatment a few days before peak pollen season can make a real difference.
Who Should Use OPTASE Allergy Eye Drops?
These drops are designed for adults and children aged 6 and over who experience the symptoms of allergic conjunctivitis. Whether your triggers are seasonal (like grass or tree pollen) or year-round (like dust mites or animal fur), sodium cromoglicate can help manage the ocular symptoms. If you're already using other allergy treatments — such as antihistamine tablets from our allergy and hay fever range — these drops can work alongside them to target eye symptoms specifically.
- Adults and children aged 6 years and over with allergic conjunctivitis
- People with seasonal hay fever affecting the eyes
- Those with perennial (year-round) eye allergy symptoms
- Individuals who prefer preservative-free eye drops due to sensitive eyes
How Do OPTASE Allergy Eye Drops Compare to Alternatives?
| Feature | OPTASE Allergy Eye Drops | Multi-dose Sodium Cromoglicate Drops |
|---|---|---|
| Preservative-free | Yes | No (typically contains benzalkonium chloride) |
| Format | Single-dose 0.5ml units | Multi-dose bottle (10ml) |
| Suitable for sensitive eyes | Yes | Less suitable |
| Portability | Highly portable, individual units | Bulkier bottle |
Are OPTASE Allergy Eye Drops Safe to Store and Use Long-Term?
Store OPTASE Allergy Eye Drops below 25°C and keep them out of direct sunlight. Do not freeze them. Because each unit is single-dose, there's no risk of contamination from repeated opening — simply twist, use, and discard. This makes them particularly suitable for people who are prone to eye infections or who use allergy eye drops frequently throughout the day.
Check the expiry date on the outer packaging before use. If the solution appears discoloured or cloudy, do not use it. Each unit should be discarded immediately after use, even if some solution remains in the vial.
This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.
OPTASE Allergy Eye Drops 20 x 0.5ml specifications
| Treatment category | Allergic conjunctivitis / Ocular allergy |
| Mechanism of action | Mast cell stabilisation |
| Effective for | Itching, redness, and watering of the eyes due to allergy |
| Suitable for | Adults and children aged 6 years and over |
| Active ingredient | Sodium cromoglicate 2% |
| Pack size | 20 x 0.5ml single-dose units |
| UK classification | General Sale / OTC |
| Drug class | Mast cell stabiliser |
| Preparation | Sterile ophthalmic solution |
| Route of administration | Topical ophthalmic (eye drops) |
Specifications of OPTASE Allergy Eye Drops 20 x 0.5ml
What Are OPTASE Allergy Eye Drops and What Are They Used For?
OPTASE Allergy Eye Drops contain sodium cromoglicate 2% as the active ingredient. They are used to relieve the symptoms of allergic conjunctivitis — the inflammation of the conjunctiva (the thin membrane covering the white of the eye and the inside of the eyelids) triggered by allergens. Common allergens include grass pollen, tree pollen, house dust mites, animal dander, and mould spores. Symptoms typically include itching, redness, watering, and a gritty or burning sensation in the eyes. According to the NHS, allergic conjunctivitis is one of the most common eye conditions in the UK, particularly during hay fever season.
These drops are available over the counter without a prescription and are suitable for adults and children aged 6 years and over. They are preservative-free, which makes them a good choice for people with sensitive eyes or those who need to use allergy eye drops multiple times a day.
What Do You Need to Know Before Using OPTASE Allergy Eye Drops?
Before using these drops, read the following contraindications and warnings carefully:
- Do not use if you are allergic to sodium cromoglicate or any other ingredient in the formulation
- Remove soft contact lenses before instilling the drops; wait at least 15 minutes before reinserting
- Do not use in children under 6 years of age without medical advice
- If you wear hard (rigid) contact lenses, seek advice from your optician before use
- Do not use if the solution appears cloudy or discoloured
- Seek medical advice if symptoms do not improve after 2 weeks of regular use
- Tell your pharmacist or doctor if you are pregnant or breastfeeding before using
There are no clinically significant drug interactions reported for topical sodium cromoglicate eye drops. However, if you are using other eye drops or eye ointments, allow at least 5 minutes between applications and always apply ointments last. If you're managing broader allergy symptoms, you might also find it helpful to explore our allergy and hay fever treatments for a more complete approach.
How Should You Use OPTASE Allergy Eye Drops?
Always use these drops exactly as described in this leaflet or as directed by your pharmacist. Do not exceed the recommended dose.
- Wash your hands thoroughly before handling the drops
- Twist off the top of one single-dose unit — do not use scissors
- Tilt your head back slightly and look up
- Gently pull down your lower eyelid to create a small pocket
- Hold the unit close to your eye without touching it, and squeeze 1 to 2 drops into the pocket
- Blink gently to spread the drops across the eye surface
- Repeat in the other eye if required
- Discard the unit immediately after use — do not save for later
| Indication | Age Group | Dose | Frequency |
|---|---|---|---|
| Allergic conjunctivitis | Adults and children aged 6+ | 1–2 drops per affected eye | Four times daily |
| Allergic conjunctivitis | Under 6 years | Not recommended without medical advice | — |
What Are the Possible Side Effects of OPTASE Allergy Eye Drops?
Like all medicines, OPTASE Allergy Eye Drops can cause side effects, although not everyone experiences them. Most side effects are mild and temporary.
Common side effects (may affect up to 1 in 10 people):
- Transient stinging or burning sensation immediately after instillation
- Temporary blurred vision — avoid driving until vision clears
- Mild eye irritation or discomfort
Less common side effects (may affect up to 1 in 100 people):
- Watering of the eyes immediately after use
- Redness of the eye (transient)
- Sensitivity to light (photophobia)
Stop using the drops and seek medical advice if you experience severe eye pain, sudden changes in vision, or signs of an allergic reaction such as swelling of the face or difficulty breathing. The NHS advises that you contact your GP or call 111 if you are unsure whether a symptom is serious.
How Should You Store OPTASE Allergy Eye Drops?
Correct storage helps maintain the safety and effectiveness of the drops. Follow these instructions carefully. You can find further guidance on safe medicine storage on the NHS website.
- Store below 25°C in a cool, dry place
- Do not freeze
- Keep out of direct sunlight
- Keep out of the sight and reach of children
- Do not use after the expiry date printed on the outer carton
- Discard each single-dose unit immediately after use — do not store opened units
- Do not dispose of medicines via wastewater or household waste — return unused medicines to your pharmacist
If you have any questions about storage or safe disposal, your pharmacist at Cured Pharmacy is happy to help. You might also find it useful to explore our wider eye care collection for complementary products to support your eye health.
References
- https://www.nhs.uk/conditions/conjunctivitis/
- https://www.nhs.uk/conditions/hay-fever/
- https://www.nhs.uk/conditions/allergies/
- https://www.nhs.uk/conditions/eye-health/
- https://www.nhs.uk/medicines/sodium-cromoglicate-eye-drops/
- https://bnf.nice.org.uk/drugs/sodium-cromoglicate/
Written and reviewed by our qualified team
Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.
Frequently Asked Questions
Where can I buy OPTASE Allergy Eye Drops online in the UK?
You can buy OPTASE Allergy Eye Drops directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, without a prescription. They are classified as an over-the-counter medicine, so no consultation is required. Simply add them to your basket and choose your preferred delivery option at checkout.
How do OPTASE Allergy Eye Drops work in the eye?
OPTASE Allergy Eye Drops contain sodium cromoglicate 2%, which works by stabilising mast cells in the conjunctiva and preventing them from releasing histamine when exposed to an allergen. This stops the inflammatory cascade that causes itching, redness, and watering. Because it works preventatively, regular use before and during allergen exposure gives the best results.
How do I use OPTASE Allergy Eye Drops step by step?
Wash your hands, then twist off the top of one single-dose unit. Tilt your head back, pull down your lower eyelid gently, and squeeze 1 to 2 drops into the pocket formed. Blink to spread the solution, repeat in the other eye if needed, and discard the unit immediately — even if solution remains. Never reuse an opened unit.
How many times a day should I use OPTASE Allergy Eye Drops?
The standard recommended dose is 1 to 2 drops in each affected eye, four times daily. Try to space the doses evenly throughout the day for consistent symptom control. Do not exceed the recommended frequency unless advised by a healthcare professional.
What are the side effects of OPTASE Allergy Eye Drops?
The most commonly reported side effects are a brief stinging or burning sensation immediately after instillation and temporary blurred vision. These are usually mild and resolve within a few minutes. If you experience severe eye pain, persistent redness, or any signs of an allergic reaction, stop using the drops and seek medical advice promptly.
Can I use OPTASE Allergy Eye Drops with contact lenses?
No — you should always remove soft contact lenses before instilling the drops and wait at least 15 minutes before putting them back in. This is because the drops may be absorbed by soft lens material, potentially causing irritation or affecting lens performance. If you wear hard lenses, seek advice from your optician before use.
Are OPTASE Allergy Eye Drops suitable for children?
OPTASE Allergy Eye Drops are generally suitable for children aged 6 years and over at the same dose as adults. They are not recommended for children under 6 without specific medical advice. Always speak to a pharmacist or GP before using any eye drops in young children.
Can I use OPTASE Allergy Eye Drops during pregnancy or breastfeeding?
If you are pregnant or breastfeeding, you should speak to your GP or pharmacist before using these drops. While topical sodium cromoglicate is considered low-risk due to minimal systemic absorption, a healthcare professional should always be consulted before starting any new medicine during pregnancy or whilst nursing.
What happens if I miss a dose of OPTASE Allergy Eye Drops?
If you forget a dose, simply use the drops as soon as you remember — unless it is nearly time for your next scheduled dose, in which case skip the missed one and carry on as normal. Do not use a double dose to make up for a missed one. Consistent, regular use gives the best symptom control.
How long does it take for OPTASE Allergy Eye Drops to work?
Sodium cromoglicate works best as a preventative treatment, so you may not notice immediate relief after the very first dose. Most people find that symptoms improve noticeably after a few days of regular use. Starting treatment a few days before your known allergy season begins can help maximise effectiveness.
How long can I use OPTASE Allergy Eye Drops for?
These drops can be used throughout the allergy season or for as long as symptoms persist. If your symptoms have not improved after 2 weeks of regular use, or if they worsen at any point, consult your GP or pharmacist. Long-term use is generally well tolerated, but it's always worth reviewing your treatment periodically with a healthcare professional.
What are the alternatives to OPTASE Allergy Eye Drops?
Alternatives include other sodium cromoglicate eye drops such as Opticrom Allergy Eye Drops, or antihistamine eye drops containing olopatadine (Opatanol) or ketotifen (Zaditen). For broader hay fever management, you might also consider oral antihistamines or nasal sprays available in our allergy and hay fever collection. Your pharmacist can help you choose the most appropriate option.
Are OPTASE Allergy Eye Drops preservative-free?
Yes — OPTASE Allergy Eye Drops come in individual single-dose units that are completely preservative-free. This makes them particularly suitable for people with sensitive eyes or those who react to preservatives such as benzalkonium chloride, which is commonly found in multi-dose eye drop bottles. Each unit is sterile and intended for single use only.
Can I use OPTASE Allergy Eye Drops alongside antihistamine tablets?
Yes, these drops can generally be used alongside oral antihistamines for a more complete approach to allergy management — the drops target eye symptoms directly while tablets address systemic symptoms like sneezing and a runny nose. There are no known clinically significant interactions between topical sodium cromoglicate and oral antihistamines. Always let your pharmacist know all the medicines you are taking.
What is the latest research on sodium cromoglicate eye drops for allergy?
Sodium cromoglicate has been used in the management of allergic conjunctivitis for decades and remains a well-evidenced, guideline-recommended treatment. Current NHS and NICE guidance supports its use as a first-line option for mild to moderate allergic conjunctivitis. For those with more severe or persistent symptoms, antihistamine eye drops or referral to an ophthalmologist may be considered. You can explore our wider eye care range for additional support products.
Description
Are OPTASE Allergy Eye Drops Right for You?
If your eyes itch, water, and turn red every time pollen season arrives — or when you're around pets, dust, or mould — you're not alone. Allergic conjunctivitis affects millions of people in the UK each year, and it can make daily life genuinely miserable. Allergy eye drops are one of the most targeted ways to tackle those symptoms right at the source. OPTASE Allergy Eye Drops come in a pack of 20 preservative-free, single-dose 0.5ml units, making them a hygienic and convenient option for on-the-go relief. You can browse the full range of eye care products at Cured Pharmacy if you're looking for something to complement your routine.
Each unit contains sodium cromoglicate 2%, a well-established mast cell stabiliser used in the management of allergic conjunctivitis. Because the units are preservative-free, they're particularly well suited to people with sensitive eyes who may react to the preservatives found in multi-dose bottles. At £9.99 for 20 units, they offer a practical solution for managing seasonal or perennial eye allergy symptoms.
How Do OPTASE Allergy Eye Drops Work?
Sodium cromoglicate works by stabilising mast cells in the conjunctival tissue of the eye. When you're exposed to an allergen — pollen, pet dander, dust mites — your immune system triggers mast cells to release histamine and other inflammatory chemicals. It's that histamine release that causes the itching, redness, and watering you feel. Sodium cromoglicate essentially puts a brake on that process before it gets started.
- Allergen enters the eye and binds to IgE antibodies on mast cells
- Sodium cromoglicate stabilises the mast cell membrane, preventing degranulation
- Histamine and other mediators are not released
- Inflammatory symptoms — itching, redness, watering — are reduced or prevented
It's worth noting that sodium cromoglicate works best when used regularly and ideally before allergen exposure begins. It's a preventative agent as much as a symptomatic one, so starting treatment a few days before peak pollen season can make a real difference.
Who Should Use OPTASE Allergy Eye Drops?
These drops are designed for adults and children aged 6 and over who experience the symptoms of allergic conjunctivitis. Whether your triggers are seasonal (like grass or tree pollen) or year-round (like dust mites or animal fur), sodium cromoglicate can help manage the ocular symptoms. If you're already using other allergy treatments — such as antihistamine tablets from our allergy and hay fever range — these drops can work alongside them to target eye symptoms specifically.
- Adults and children aged 6 years and over with allergic conjunctivitis
- People with seasonal hay fever affecting the eyes
- Those with perennial (year-round) eye allergy symptoms
- Individuals who prefer preservative-free eye drops due to sensitive eyes
How Do OPTASE Allergy Eye Drops Compare to Alternatives?
| Feature | OPTASE Allergy Eye Drops | Multi-dose Sodium Cromoglicate Drops |
|---|---|---|
| Preservative-free | Yes | No (typically contains benzalkonium chloride) |
| Format | Single-dose 0.5ml units | Multi-dose bottle (10ml) |
| Suitable for sensitive eyes | Yes | Less suitable |
| Portability | Highly portable, individual units | Bulkier bottle |
Are OPTASE Allergy Eye Drops Safe to Store and Use Long-Term?
Store OPTASE Allergy Eye Drops below 25°C and keep them out of direct sunlight. Do not freeze them. Because each unit is single-dose, there's no risk of contamination from repeated opening — simply twist, use, and discard. This makes them particularly suitable for people who are prone to eye infections or who use allergy eye drops frequently throughout the day.
Check the expiry date on the outer packaging before use. If the solution appears discoloured or cloudy, do not use it. Each unit should be discarded immediately after use, even if some solution remains in the vial.
This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.
OPTASE Allergy Eye Drops 20 x 0.5ml specifications
| Treatment category | Allergic conjunctivitis / Ocular allergy |
| Mechanism of action | Mast cell stabilisation |
| Effective for | Itching, redness, and watering of the eyes due to allergy |
| Suitable for | Adults and children aged 6 years and over |
| Active ingredient | Sodium cromoglicate 2% |
| Pack size | 20 x 0.5ml single-dose units |
| UK classification | General Sale / OTC |
| Drug class | Mast cell stabiliser |
| Preparation | Sterile ophthalmic solution |
| Route of administration | Topical ophthalmic (eye drops) |
Specifications of OPTASE Allergy Eye Drops 20 x 0.5ml
What Are OPTASE Allergy Eye Drops and What Are They Used For?
OPTASE Allergy Eye Drops contain sodium cromoglicate 2% as the active ingredient. They are used to relieve the symptoms of allergic conjunctivitis — the inflammation of the conjunctiva (the thin membrane covering the white of the eye and the inside of the eyelids) triggered by allergens. Common allergens include grass pollen, tree pollen, house dust mites, animal dander, and mould spores. Symptoms typically include itching, redness, watering, and a gritty or burning sensation in the eyes. According to the NHS, allergic conjunctivitis is one of the most common eye conditions in the UK, particularly during hay fever season.
These drops are available over the counter without a prescription and are suitable for adults and children aged 6 years and over. They are preservative-free, which makes them a good choice for people with sensitive eyes or those who need to use allergy eye drops multiple times a day.
What Do You Need to Know Before Using OPTASE Allergy Eye Drops?
Before using these drops, read the following contraindications and warnings carefully:
- Do not use if you are allergic to sodium cromoglicate or any other ingredient in the formulation
- Remove soft contact lenses before instilling the drops; wait at least 15 minutes before reinserting
- Do not use in children under 6 years of age without medical advice
- If you wear hard (rigid) contact lenses, seek advice from your optician before use
- Do not use if the solution appears cloudy or discoloured
- Seek medical advice if symptoms do not improve after 2 weeks of regular use
- Tell your pharmacist or doctor if you are pregnant or breastfeeding before using
There are no clinically significant drug interactions reported for topical sodium cromoglicate eye drops. However, if you are using other eye drops or eye ointments, allow at least 5 minutes between applications and always apply ointments last. If you're managing broader allergy symptoms, you might also find it helpful to explore our allergy and hay fever treatments for a more complete approach.
How Should You Use OPTASE Allergy Eye Drops?
Always use these drops exactly as described in this leaflet or as directed by your pharmacist. Do not exceed the recommended dose.
- Wash your hands thoroughly before handling the drops
- Twist off the top of one single-dose unit — do not use scissors
- Tilt your head back slightly and look up
- Gently pull down your lower eyelid to create a small pocket
- Hold the unit close to your eye without touching it, and squeeze 1 to 2 drops into the pocket
- Blink gently to spread the drops across the eye surface
- Repeat in the other eye if required
- Discard the unit immediately after use — do not save for later
| Indication | Age Group | Dose | Frequency |
|---|---|---|---|
| Allergic conjunctivitis | Adults and children aged 6+ | 1–2 drops per affected eye | Four times daily |
| Allergic conjunctivitis | Under 6 years | Not recommended without medical advice | — |
What Are the Possible Side Effects of OPTASE Allergy Eye Drops?
Like all medicines, OPTASE Allergy Eye Drops can cause side effects, although not everyone experiences them. Most side effects are mild and temporary.
Common side effects (may affect up to 1 in 10 people):
- Transient stinging or burning sensation immediately after instillation
- Temporary blurred vision — avoid driving until vision clears
- Mild eye irritation or discomfort
Less common side effects (may affect up to 1 in 100 people):
- Watering of the eyes immediately after use
- Redness of the eye (transient)
- Sensitivity to light (photophobia)
Stop using the drops and seek medical advice if you experience severe eye pain, sudden changes in vision, or signs of an allergic reaction such as swelling of the face or difficulty breathing. The NHS advises that you contact your GP or call 111 if you are unsure whether a symptom is serious.
How Should You Store OPTASE Allergy Eye Drops?
Correct storage helps maintain the safety and effectiveness of the drops. Follow these instructions carefully. You can find further guidance on safe medicine storage on the NHS website.
- Store below 25°C in a cool, dry place
- Do not freeze
- Keep out of direct sunlight
- Keep out of the sight and reach of children
- Do not use after the expiry date printed on the outer carton
- Discard each single-dose unit immediately after use — do not store opened units
- Do not dispose of medicines via wastewater or household waste — return unused medicines to your pharmacist
If you have any questions about storage or safe disposal, your pharmacist at Cured Pharmacy is happy to help. You might also find it useful to explore our wider eye care collection for complementary products to support your eye health.
References
- https://www.nhs.uk/conditions/conjunctivitis/
- https://www.nhs.uk/conditions/hay-fever/
- https://www.nhs.uk/conditions/allergies/
- https://www.nhs.uk/conditions/eye-health/
- https://www.nhs.uk/medicines/sodium-cromoglicate-eye-drops/
- https://bnf.nice.org.uk/drugs/sodium-cromoglicate/
Written and reviewed by our qualified team
Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.
Frequently Asked Questions
Where can I buy OPTASE Allergy Eye Drops online in the UK?
You can buy OPTASE Allergy Eye Drops directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, without a prescription. They are classified as an over-the-counter medicine, so no consultation is required. Simply add them to your basket and choose your preferred delivery option at checkout.
How do OPTASE Allergy Eye Drops work in the eye?
OPTASE Allergy Eye Drops contain sodium cromoglicate 2%, which works by stabilising mast cells in the conjunctiva and preventing them from releasing histamine when exposed to an allergen. This stops the inflammatory cascade that causes itching, redness, and watering. Because it works preventatively, regular use before and during allergen exposure gives the best results.
How do I use OPTASE Allergy Eye Drops step by step?
Wash your hands, then twist off the top of one single-dose unit. Tilt your head back, pull down your lower eyelid gently, and squeeze 1 to 2 drops into the pocket formed. Blink to spread the solution, repeat in the other eye if needed, and discard the unit immediately — even if solution remains. Never reuse an opened unit.
How many times a day should I use OPTASE Allergy Eye Drops?
The standard recommended dose is 1 to 2 drops in each affected eye, four times daily. Try to space the doses evenly throughout the day for consistent symptom control. Do not exceed the recommended frequency unless advised by a healthcare professional.
What are the side effects of OPTASE Allergy Eye Drops?
The most commonly reported side effects are a brief stinging or burning sensation immediately after instillation and temporary blurred vision. These are usually mild and resolve within a few minutes. If you experience severe eye pain, persistent redness, or any signs of an allergic reaction, stop using the drops and seek medical advice promptly.
Can I use OPTASE Allergy Eye Drops with contact lenses?
No — you should always remove soft contact lenses before instilling the drops and wait at least 15 minutes before putting them back in. This is because the drops may be absorbed by soft lens material, potentially causing irritation or affecting lens performance. If you wear hard lenses, seek advice from your optician before use.
Are OPTASE Allergy Eye Drops suitable for children?
OPTASE Allergy Eye Drops are generally suitable for children aged 6 years and over at the same dose as adults. They are not recommended for children under 6 without specific medical advice. Always speak to a pharmacist or GP before using any eye drops in young children.
Can I use OPTASE Allergy Eye Drops during pregnancy or breastfeeding?
If you are pregnant or breastfeeding, you should speak to your GP or pharmacist before using these drops. While topical sodium cromoglicate is considered low-risk due to minimal systemic absorption, a healthcare professional should always be consulted before starting any new medicine during pregnancy or whilst nursing.
What happens if I miss a dose of OPTASE Allergy Eye Drops?
If you forget a dose, simply use the drops as soon as you remember — unless it is nearly time for your next scheduled dose, in which case skip the missed one and carry on as normal. Do not use a double dose to make up for a missed one. Consistent, regular use gives the best symptom control.
How long does it take for OPTASE Allergy Eye Drops to work?
Sodium cromoglicate works best as a preventative treatment, so you may not notice immediate relief after the very first dose. Most people find that symptoms improve noticeably after a few days of regular use. Starting treatment a few days before your known allergy season begins can help maximise effectiveness.
How long can I use OPTASE Allergy Eye Drops for?
These drops can be used throughout the allergy season or for as long as symptoms persist. If your symptoms have not improved after 2 weeks of regular use, or if they worsen at any point, consult your GP or pharmacist. Long-term use is generally well tolerated, but it's always worth reviewing your treatment periodically with a healthcare professional.
What are the alternatives to OPTASE Allergy Eye Drops?
Alternatives include other sodium cromoglicate eye drops such as Opticrom Allergy Eye Drops, or antihistamine eye drops containing olopatadine (Opatanol) or ketotifen (Zaditen). For broader hay fever management, you might also consider oral antihistamines or nasal sprays available in our allergy and hay fever collection. Your pharmacist can help you choose the most appropriate option.
Are OPTASE Allergy Eye Drops preservative-free?
Yes — OPTASE Allergy Eye Drops come in individual single-dose units that are completely preservative-free. This makes them particularly suitable for people with sensitive eyes or those who react to preservatives such as benzalkonium chloride, which is commonly found in multi-dose eye drop bottles. Each unit is sterile and intended for single use only.
Can I use OPTASE Allergy Eye Drops alongside antihistamine tablets?
Yes, these drops can generally be used alongside oral antihistamines for a more complete approach to allergy management — the drops target eye symptoms directly while tablets address systemic symptoms like sneezing and a runny nose. There are no known clinically significant interactions between topical sodium cromoglicate and oral antihistamines. Always let your pharmacist know all the medicines you are taking.
What is the latest research on sodium cromoglicate eye drops for allergy?
Sodium cromoglicate has been used in the management of allergic conjunctivitis for decades and remains a well-evidenced, guideline-recommended treatment. Current NHS and NICE guidance supports its use as a first-line option for mild to moderate allergic conjunctivitis. For those with more severe or persistent symptoms, antihistamine eye drops or referral to an ophthalmologist may be considered. You can explore our wider eye care range for additional support products.
