Optidrin™ Eye Drops 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. Optidrin™ Eye Drops are used for the relief
and treatment of eye allergies. These allergies can
happen:
• At any time of the year and is called “perennial
allergic conjunctivitis”.
• In different seasons of the year caused by different
pollens. This is called “seasonal allergic
conjunctivitis” or hay fever.

Do not use Optidrin™ Eye Drops
• if you are allergic (hypersensitive) to sodium
cromoglicate or any of the other ingredients of
Optidrin™ Eye Drops (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 eyelid.
Do not use this medicine if the above applies to you. If
you are not sure, talk to your doctor or pharmacist
before using these eye drops.
Take special care with Optidrin™ Eye Drops 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 Optidrin
™ Eye Drops.
Using other medicines
Please tell your doctor or pharmacist if you are taking
or have recently taken any other medicines, including
medicines obtained without a prescription.
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
Optidrin™ may interfere with your ability to drive and
use 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 Optidrin™ Eye Drops
Optidrin™ Eye Drops contains benzalkonium chloride.
This may cause your eyes to become irritated and may
change the colour of your contact lenses. Avoid
contact with soft contact lenses. Remove contact lenses
prior to application and wait at least 15 minutes before
reinsertion

Always use Optidrin™ Eye Drops exactly as your
doctor has told you.
Adults and Children over 6 years:
One or two drops to be administered into each eye four
times daily.
Children under 6 years:
Optidrin™ Eye Drops should not be used in children
under 6 years of age.
Elderly:
There is no evidence to suggest that a different dose is
needed for elderly patients.
You should check with your doctor or pharmacist if
you are not sure.
How to use the eye drops
• Unscrew the cap from the bottle, check the dropper is
clean.
• Pull your lower eyelid gently down, and then
carefully instil one or two drops inside the lower
eyelid, in the corner closest to the nose.
• Release the lower eyelid, and blink a few times to
make sure the eye is covered by the liquid.
• If you use drops in both eyes, repeat the steps for
your other eye.
• Put the bottle cap back on firmly immediately after
use.
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 forget to use Optidrin™ Eye Drops
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 Optidrin™ Eye Drops
You should keep using these drops if you are still
around the things that you are allergic to. If you stop
using sodium cromoglicate eye drops your allergy
symptoms may come back.
If you have any further questions on the use of this
product, ask your doctor or pharmacist.

Like all medicines, Optidrin™ Eye Drops can cause
side effects, although not everybody gets them.
Stop using Optidrin™ Eye Drops 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.

• Keep out of the reach and sight of children.
• Do not store above 30 OC.
• Do not use the drops after the expiry date (marked
'Exp') on the bottle and the carton.
• Optidrin™ eye drops are sterile when first opened, it is
important to keep the drops as clean as possible during
use.
• Once opened the drops should not be used for longer
than 1 month.
• Medicines should not be disposed of via waste water
or household waste. Ask your pharmacist how to
dispose of medicines no longer required. These
measures will help to protect the environment.