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[Dorzolamide/Timolol] 20 mg/ml + 5 mg/ml eye drops, solution
Dorzolamide / Timolol

Read all of this leaflet carefully before you start using this medicine because it contains important
information for you.
Keep this leaflet. You may need to read it again.
If you have any further questions, ask your doctor or pharmacist.
This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if
their signs of illness are the same as yours.
If you get any side effects, talk to your doctor or pharmacist. This includes any possble side effects
not listed in this leaflet. See section 4.

What is in this leaflet:
What [Dorzolamide/Timolol] is and what it is used for
What you need to know before you use [Dorzolamide/Timolol]
How to use [Dorzolamide/Timolol]
Possible side effects
How to store [Dorzolamide/Timolol]
Contents of the pack and other information


WHAT [Dorzolamide/Timolol] IS AND WHAT IT IS USED FOR

[Dorzolamide/Timolol] is a combination of two medicines: dorzolamide and timolol.

• Dorzolamide belongs to a group of medicines called “carbonic anhydrase inhibitors”.
• Timolol belongs to a group of medicines called “beta blockers.
[Dorzolamide/Timolol] is prescribed to lower raised pressure within the eye in the treatment of glaucoma
when beta-blocker eye drops used alone are not adequate.



Do not use [Dorzolamide/Timolol] eye drops, solution

if you are allergic to dorzolamide or timolol, beta-blockers or any of the other ingredients of this
medicine (listed in section 6).

if you have now or have had in past respiratory problems such as asthma, severe chronic obstructive
bronchitis (severe lung disease which may cause wheeziness, difficulty in breathing and/or longstanding cough).

if you have severe kidney problems, or a prior history of kidney stones.

if you have a disturbance in the pH (acid/alkali balance) of your blood.

if you have certain heart problems, including certain heart rhythm disturbances producing an
abnormally slow heart rate or severe heart failure.
If you think any of these apply to you, do not use [Dorzolamide/Timolol] until you have consulted your


Warnings and precautions
Talk to your doctor or pharmacist before taking [Dorzolamide/Timolol], especially if you have now or have
had in the past:

coronary heart disease ( symptoms can include chest pain [even while resting] or tightness,
breathlessness or choking), heart failure, low blood pressure.

breathing problems, asthma or chronic obstructive pulmonary disease.

poor blood circulation disease (such as Raynaud’s disease or Raynaud’s syndrome).

diabetes as timolol may mask signs and symptoms of low blood sugar.

overactivity of the thyroid gland as timolol may mask signs and symptoms.

any allergies to a medicine you have taken.
Tell your doctor before you have an operation that you are using [Dorzolamide/Timolol] as
dorzolamide/timolol may change effects of some medicines used during anaesthesia. There may be a sudden
fall in blood-pressure associated with the anaesthetic.
Tell your doctor if you now have or have had liver problems, if you have muscle weakness or have been
diagnosed as having myasthenia gravis.
If you develop conjunctivitis (redness and irritation of the eye[s]), swelling of the eye or eyelids, skin rash,
or itching in and around the eye contact your doctor immediately. Such symptoms may be due to an allergic
reaction or may be a side-effect of [Dorzolamide/Timolol] (see section 4 “Possible Side Effects”).
Tell your doctor if you develop an eye infection, receive an eye injury, have eye surgery, develop other
reactions or worsening of symptoms.
If you wear soft contact lenses, it is important that your lenses are removed before using your eye drops and
not put back into your eyes until 15 minutes after using your eye drops as the preservative benzalkonium
chloride may possibly discolour the contact lenses.
There is limited experience with [Dorzolamide/Timolol] in infants and children.
Use in elderly
In studies with dorzolamide/timolol eye drops solution, the effects of dorzolamide/timolol eye drops
solution were similar in both elderly and younger patients.
Other medicines and Dorzolamide/Timolol
[Dorzolamide/Timolol] can affect or be affected by other medicines you are using, including other eye drops
for the treatment of glaucoma. Tell your doctor if you are using or intend to use medicines to lower blood
pressure, heart medicine or medicines to treat diabetes.
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines. This
is particularly important if any of the following apply to you:

You are taking antihypertensive medicines which are used to lower high blood pressure or medicines to
treat heart disease such as calcium channel blockers and ß-blockers or digoxin
You are taking medicines to treat a disturbed or uneven heartbeat such as quinidine (use to treat some
types of malaria as well) or digoxin
You are using another eyedrop that contains a ß-blocker
You are taking another carbonic anhydrase inhibitor such as acetazolamide. You may be taking this
type of medicine by mouth, as eye drops, or by some other method
You are taking monoamine oxidase inhibitors (MAOIs) or selective serotonin reuptake inhibitors
(SSRIs, e.g. fluoxetine and paroxetine) both of which are used to treat depression or another illness
You are taking a parasympathomimetic medicine which may have been prescribed to help you pass
urine. Parasympathomimetics are also a particular type of medicine which are sometimes used to help
restore normal movements through the bowel

You are taking narcotics such as morphine used to treat moderate to severe pain or if you are taking
large doses of acetylsalicylic acid. Although there is no evidence that dorzolamide hydrochloride
interacts with acetylsalicylic acid, some other medicines which are related to dorzolamide
hydrochloride and which are taken by mouth, have been known to interact with acetylsalicylic acid
You are taking medicines to treat diabetes or high blood sugar
You are taking epinephrine (adrenaline).

Pregnancy and breast-feeding
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your
doctor or pharmacist for advice before taking this medicine.
Do not use [Dorzolamide/Timolol] if you are pregnant, unless your doctor considers it necessary.
Tell your doctor if you are pregnant or planning to become pregnant.
Do not use [Dorzolamide/Timolol] if you are breast-feeding. Timolol may get into your milk.
Tell your doctor if you are breast-feeding or intend to breast-feed.

Driving and using machines
[Dorzolamide/Timolol] may cause side effects such as blurred vision in some patients. Do not drive or use
any tools or machines until the symptoms have cleared.

[Dorzolamide/Timolol] contains benzalkonium chloride.
 Benzalkonium chloride may cause eye irritation
 Benzalkonium chloride is known to discolour soft contact lenses. Avoid contact with soft contact lenses.
Remove contact lenses prior to application and wait at least 15 minutes before re-insertion.


HOW TO USE [Dorzolamide/Timolol]

Always use this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you
are not sure.
The appropriate dosage and duration of treatment will be established by your doctor.
The usual dose is one drop in the affected eye(s) two times a day, for example in the morning and in the
If you use [Dorzolamide/Timolol] with another eye drop, leave at least 10 minutes between putting in
[Dorzolamide/Timolol] and the other medicine.
Do not change the dosage of the drug without consulting your doctor. If you must stop treatment, contact
your doctor immediately.
Do not allow the tip of the container to touch your eye or areas around your eye. It may become
contaminated with bacteria that can cause eye infections leading to serious damage of the eye, even loss of
vision. To avoid possible contamination of the container, keep the tip of the container away from contact
with any surface.
In order to secure correct dosage - the dropper tip should not be enlarged.

Instructions for use:
It is recommended that you wash your hands before putting in your eye drops.
It may be easier to apply your eye drops in front of a mirror.

1. Before using the medication for the first time, be sure that the tamper-proof seal on the bottle neck is
unbroken. A gap between the bottle and the cap is normal for an unopened bottle.
2. Take off the cap of the bottle.
3. Tilt your head back and gently pull your lower eyelid down to form a small pocket between your eyelid
and your eye.

4. Invert the bottle, and squeeze it until a single drop is dispensed into the eye as directed by your doctor.
5. After using [Dorzolamide/Timolol], press a finger into the corner of your eye, by the nose for 2
minutes. This helps to stop dorzolamide/timolol getting into the rest of the body.

6. Repeat steps 3 to 5 with the other eye if instructed to do so by your doctor.
7. Put the cap back on and close the bottle straight after you have used it.


If you use more [Dorzolamide/Timolol] than you should
It is important to keep to the dose your doctor has prescribed. If you put too many drops in your eye or
swallow any of the contents of the bottle, you may feel unwell, for example you may become light-headed,
have difficulty breathing, or feel that your heart rate has slowed. If you feel any of the above effects you
should seek medical attention immediately.

If you forget to use [Dorzolamide/Timolol]
It is important to use [Dorzolamide/Timolol] as prescribed by your doctor.
If you miss a dose, apply it as soon as possible. However, if it is almost time for the next dose, skip the
missed dose and go back to your regular dosing schedule.
Do not use a double dose to make up for forgotten individual doses.
If you stop taking [Dorzolamide/Timolol]
If you want to stop using this medicine talk to your doctor first.
If you have any further questions on the use of this product, ask your doctor or pharmacist.



Like all medicines, this medicine can cause side effects, although not everybody gets them.
If you develop allergic reactions including hives, swelling of the face, lips, tongue, and/or throat which may
cause difficulty in breathing or swallowing, you should stop [Dorzolamide /Timolol] and talk to your doctor
You can usually carry on taking the drops, unless the effects are serious. If you're worried, talk to a doctor or
pharmacist. Do not stop using [Dorzolamide/Timolol] without speaking to your doctor.

Very common (may affect more than 1 in 10 people):
Burning and stinging of the eyes, unusual taste
Common (may affect up to 1 in 10 people):
Redness in and around the eye(s), watering or itching of the eye(s), and effects on the surface of the eye(s),
swelling and/or irritation in and around the eye(s), feeling of having something in the eye(corneal erosion),
decreased corneal sensitivity (not realising of getting something in the eye and not feeling pain), eye pain,
dry eyes, blurred vision, headache, sinusitis (feeling of tension or fullness in the nose), feeling sick, also
called nausea, and fatigue
Uncommon (may affect up to 1 in 100 people):
Dizziness, depression, inflammation of the iris, blurred vision (in some cases due to withdrawal of medication to treat
excessive contraction of the pupil of the eye) , slow heartbeat, fainting, indigestion, and kidney stones (often marked by a
sudden onset of excruciating, cramping pain in their low back and/or side, groin, or abdomen).

Rare (may affect up to 1 in 1,000 people):
systemic lupus erythematosus (an immune disease which may cause an inflammation of internal organs),
tingling or numbness of the hands or feet, trouble sleeping, nightmares, memory loss, weakening of the
muscles, decreased sex drive, stroke, temporary short-sightedness which may resolve when treatment is
stopped, development of fluid under the retina (choroidal detachment following filtration surgery), drooping
of the eyelids, double vision, eyelid crusting, swelling of the cornea (with symptoms of visual disturbances),
low pressure in the eye, ringing noises in your ear, low blood pressure, irregular heartbeat, chest pain,

palpitations (a quicker and/or irregular heartbeat), heart attack, congestive heart failure (heart disease with
shortness of breath and swelling of the feet and legs due to fluid build-up), oedema (fluid build-up), reduced
blood flow to the brain, swelling or coldness of your hands and feet and reduced circulation in your arms and
legs, poor blood circulation which makes the toes and fingers numb and change colour ((Raynaud's phenomenon),
leg cramps and/or leg pain when walking (claudication), shortness of breath, feeling out of breath, runny or
stuffed nose, nose bleed, difficulty in breathing, cough, throat irritation, dry mouth, diarrhoea, contact
dermatitis, hair loss, psoriasis or worsening of psoriasis, Peyronie’s disease (which may cause a curvature of
the penis), weakness/tiredness, generalised allergic reactions including swelling beneath the skin that can
occur in areas such as the face (swelling of the lips, eyes and mouth) and limbs, and can obstruct the airway
which may cause difficulty swallowing or breathing, wheezing. Hives or itchy rash, localised and
generalised rash, itchiness, severe sudden life-threatening allergic reaction.
Like other medicines applied into eyes, timolol is absorbed into the blood. This may cause similar side
effects as seen with 'intraveneous' and/or 'oral' as applicable beta-blocking agents. Incidence of side effects
after topical ophthalmic administration is lower than when medicines are, for example, taken by mouth or
injected. Listed side effects include reactions seen within the class of beta-blockers when used for treating
eye conditions:
Not known (frequency cannot be estimated from the available data):
Low blood glucose levels.
Heart failure.
Abdominal pain, vomiting.
Muscle pain not caused by exercise.
Sexual dysfunction.
Reporting of side effects
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not
listed in this leaflet. You can also report side effects directly via Yellow Card Scheme, Website: By reporting side effects, you can help provide more information on the
safety of this medicine.


HOW TO STORE [Dorzolamide/Timolol]

Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the bottle label and the carton after EXP:.
The expiry date refers to the last day of that month.
This medicinal product does not require any special temperature storage conditions.
[Dorzolamide/Timolol] should be used within 28 days after the bottle is first opened. Therefore, you must
throw away the bottle 4 weeks after you first opened it, even if some solution is left. To help you remember,
write down the date that you opened it in the space on the carton.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw
away medicines you no longer use. These measures will help protect the environment.



What [Dorzolamide/Timolol] contains
The active substances are dorzolamide and timolol. Each ml contains 20 mg dorzolamide (as 22.26
mg of dorzolamide hydrochloride) and 5 mg timolol (as 6.83 mg of timolol maleate).


The other ingredients are Mannitol (E421), Hydroxy Ethyl Cellulose, Benzalkonium Chloride (as a
preservative), Sodium Citrate (E331), Sodium Hydroxide (E524) for pH adjustment and Water for

What [Dorzolamide/Timolol] looks like and contents of the pack
Your medicine is in the form of a sterile, clear, slightly viscous, colourless aqueous eye drop solution.
[Dorzolamide/Timolol] is presented in a white opaque medium density polyethylene bottle with a sealed low
density polyethylene dropper tip and a high density polyethylene cap with tamper proof seal, containing 5
mL of the ophthalmic solution.
Pack size: 1, 3 or 6 bottles of 5ml each.
Not all pack sizes may be marketed.

Marketing Authorisation Holder
STADA Arzneimittel AG
Stadastrasse 2-18
61118 Bad Vilbel
Pharmathen S.A.
6, Dervenakion str.,
153 51 Pallini, Attiki,
Famar S.A.
63 Agiou Dimitriou Street,
174 56 Alimos
STADA Arzneimittel AG
Stadastrasse 2 – 18, 61118 Bad Vilbel
Aliud Pharma GmbH
Gottlieb-Daimler-Str. 19, 89150 Laichingen

This leaflet was last revised in 05/2014


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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.