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Read all of this leaflet carefully because it contains
important information for you.
This medicine is available without prescription. However, you
still need to use Opticrom Allergy carefully to get the best results
from it.
• Keep this leaflet. You may need to read it again
• Ask your pharmacist if you need more information or advice
• You must contact a doctor if your symptoms worsen or do not
• If any of the side effects gets serious, or if you notice any
side effects not listed in this leaflet, please tell your doctor or
In this leaflet:
1. What Opticrom Allergy is and what it is used for
2. Before you use Opticrom Allergy
3. How to use Opticrom Allergy
4. Possible side effects
5. How to store Opticrom Allergy
6. Further information
1. What Opticrom Allergy is and what it is used for
Opticrom Allergy 2% w/v Eye Drops (called Opticrom Allergy
in this leaflet) contain a medicine called sodium cromoglicate.
This belongs to a group of medicines called anti-allergics.

It works by stopping the release of the natural substances in
your eyes that can lead to an allergic reaction. Signs of an
allergic reaction include itchy, watery, red or inflamed eyes and
puffy eyelids.
Opticrom Allergy is used for the prevention and treatment of eye
allergies. These allergies can happen:
• At any time of the year and is called ‘perennial allergic
• In different seasons of the year caused by different pollens.
This is called ‘seasonal allergic conjunctivitis’ or hay fever
2. Before you use Opticrom Allergy
Do not use this medicine and tell your doctor or
pharmacist if:
You are allergic (hypersensitive) to sodium cromoglicate, or
any of the other ingredients of Opticrom Allergy (listed in
Section 6: Further information)
Signs of an allergic reaction include: a rash, swallowing or
breathing problems, swelling of your lips, face, throat, tongue
and worsening of redness, itching or swelling of the eye or
Do not use this medicine if the above applies to you. If you
are not sure, talk to your doctor or pharmacist before using
Opticrom Allergy.
Take special care with Opticrom Allergy if:
You wear soft contact lenses. You should not wear contact
lenses while using these drops
If you are not sure if the above applies to you, talk to your doctor
or pharmacist before using Opticrom Allergy.
Pregnancy and breast-feeding
Talk to your doctor before using this medicine if you are pregnant,
might become pregnant or think you may be pregnant.
If you are breast-feeding or planning to breast-feed, talk to your
doctor or pharmacist before taking or using any medicine.

Driving and using machines
You may have blurred eyesight straight after using this medicine.
If this happens, do not drive or use any tools or machines until
you can see clearly.
Important information about some of the ingredients of
Opticrom Allergy
Opticrom Allergy contains benzalkonium chloride. This may
cause your eyes to become irritated. It may also change the
colour of your contact lenses.
3. How to use Opticrom Allergy
Always use Opticrom Allergy exactly as your doctor or pharmacist
has told you. You should check with your doctor or pharmacist if
you are not sure
How to use this medicine
• Wash your hands
• Remove the cap from the bottle
• Tilt your head back
• Squeeze one or two drops inside the
lower lid without touching your eye
• Close your eye
• Wipe away any excess liquid from
the eyes with a clean tissue
• Always put the cap back on the
bottle as soon as you have used it
• Repeat in the other eye if needed
How much to use
• One or two drops in each eye four times a day, or as directed
by your doctor
• If your symptoms worsen or do not improve, talk to your
doctor or pharmacist
If you use more Opticrom Allergy than you should
Contact your doctor if you use the eye drops more
frequently than the recommended dose, or continuously
for more than three months.

If you forget to use Opticrom Allergy
If you forget a dose, use your drops as soon as you remember.
However, if it is nearly time for your next dose, skip the missed
dose. Do not use a double dose to make up for a forgotten dose.
If you stop using Opticrom Allergy
Even if your symptoms have got better, you should keep using
these drops if you are still around the things that you are allergic
to. Opticrom Allergy can prevent you getting an allergic reaction
so if you stop using it, your allergy symptoms may come back.
If you have any further questions on the use of this
product, ask your doctor or pharmacist.
4. Possible side effects
Like all medicines, Opticrom Allergy can cause side effects,
although not everybody gets them.
Stop using Opticrom Allergy and see a doctor as soon as
possible if:
• The itching, redness or swelling gets worse. You may be
allergic to these drops.
Talk to your doctor or pharmacist if any of the side effects
gets serious or lasts longer than a few days, or if you notice
any side effects not listed in this leaflet:
• Stinging or burning in your eyes or blurring of eyesight. This
should only last for a short time and occurs immediately after
using the eye drops
• Mild eye irritation
5. How to store Opticrom Allergy
Keep this medicine in a safe place where children cannot see
or reach it.
Do not use Opticrom Allergy after the expiry date which is stated
on the label and carton. The expiry date refers to the last day
of that month.
Store below 30°C. Keep the bottle in the outer carton in order
to protect from light.

Opticrom Allergy is sterile when you buy it, so you must not keep
it for more than four weeks after opening the bottle.
Medicines should not be disposed of via wastewater or
household waste. Ask your pharmacist how to dispose of
medicines no longer required. These measures will help to
protect the environment.
6. Further information
What Opticrom Allergy contains
• The solution contains 2.0% w/v of the active substance,
sodium cromoglicate
• The other ingredients are disodium edetate, benzalkonium
chloride and purified water
What Opticrom Allergy looks like and contents of the pack
Opticrom Allergy is a clear colourless to pale yellow solution
supplied in a 5ml or 10 ml plastic dropper bottle with a tamperproof cap
Marketing Authorisation Holder and Manufacturer
Marketing Authorisation Holder
Sanofi, One Onslow Street, Guildford, Surrey, GU1 4YS, UK
Tel: 01483 505515
Fax: 01483 535432
email: uk-medicalinformation@sanofi.com
Sanofi Winthrop Industrie, Boulevard Industriel, 76580 Le Trait,
This leaflet does not contain all the information about your
medicine. If you have any questions or are not sure about
anything, ask your doctor or pharmacist.
This leaflet was last revised in September 2012
© Sanofi, 2001 - 2012

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.