


Ask a doctor about a prescription for DORZOLAMIDE/TIMOLOL VIATRIS 20 mg/ml + 5 mg/ml EYE DROPS
Package Leaflet: Information for the Patient
Dorzolamida/Timolol Viatris 20 mg/ml + 5 mg/ml Eye Drops
Read the package leaflet carefully before you start using this medicine because it contains important information for you.
Contents of the package leaflet
Dorzolamida/Timolol Viatris contains two active substances: dorzolamida and timolol.
This medicine reduces pressure in the eye in several ways.
Dorzolamida/Timolol Viatris is prescribed to reduce high pressure in the eye in the treatment of glaucoma when the use of a beta-blocker eye drop as monotherapy is not appropriate.
Do not use Dorzolamida/Timolol Viatris:
If you are not sure whether you can use this medicine, consult your doctor or pharmacist.
Warnings and precautions
Consult your doctor or pharmacist before starting to use dorzolamida/timolol if you experience:
Before undergoing surgery, inform your doctor that you are using dorzolamida/timolol, as timolol may affect the effects of certain medicines used during anesthesia. Also, inform your doctor about any allergies or allergic reactions, including hives, swelling of the face, lips, tongue and/or throat; as they may cause difficulty breathing or swallowing.
Inform your doctor if you have muscle weakness or if you have been diagnosed with myasthenia gravis (muscle weakness).
Inform your doctor immediately if you experience eye irritation or if any new reaction occurs in the eye, such as redness or eyelid inflammation.
If you suspect that dorzolamida/timolol is causing an allergic reaction or hypersensitivity (e.g., skin rash, severe skin reaction or redness and itching in the eye), stop using this medicine and contact your doctor immediately.
Inform your doctor if you develop an eye infection, suffer an eye injury, undergo eye surgery, experience any other reaction or if symptoms worsen.
Instilling dorzolamida/timolol in the eye may affect the body as a whole.
Children
There is limited experience with the use of dorzolamida/timolol in infants, children, and adolescents.
Elderly patients
In studies with dorzolamida/timolol, the effects of dorzolamida/timolol were similar in both elderly and younger patients.
Patients with hepatic impairment
Inform your doctor about any current or past liver problems.
Athletes
This medicine contains timolol, which may produce a positive result in doping tests.
Other medicines and Dorzolamida/Timolol Viatris
Dorzolamida/timolol may affect or be affected by other medicines you are using, including other eye drops for the treatment of glaucoma. Inform your doctor if you are using or plan to use medicines to lower blood pressure, heart medicines or diabetes medicines. Tell your doctor or pharmacist if you are using, have recently used or might use any other medicine, including those obtained without a prescription. This is especially important if you are:
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before using this medicine.
Do not use dorzolamida/timolol if you are pregnant unless your doctor considers it necessary.
Do not use dorzolamida/timolol if you are breastfeeding. Timolol may pass into breast milk. Ask your doctor for advice before taking any medicine while breastfeeding.
Driving and using machines
No studies on the effects on the ability to drive or use machines have been performed. There are side effects associated with dorzolamida/timolol, such as blurred vision, that may affect your ability to drive and/or use machines. Do not drive or operate tools or machines until you feel well or your vision is clear.
Dorzolamida/Timolol Viatris contains benzalkonium chloride
This medicine contains 0.15 mg of benzalkonium chloride per milliliter of eye drop solution.
Benzalkonium chloride may be absorbed by soft contact lenses, altering their color. Remove contact lenses before using this medicine and wait 15 minutes before putting them back.
Benzalkonium chloride may cause eye irritation, especially if you have dry eyes or other corneal diseases (diseases of the transparent layer on the front of the eye). Consult your doctor if you feel any unusual sensation, itching or pain in the eye after using this medicine.
Follow exactly the administration instructions of this medicine given by your doctor. Ask your doctor or pharmacist if you have any doubts.
The appropriate dosage and duration of treatment will be determined by your doctor.
The recommended dose is one drop in the affected eye(s) twice a day, for example, in the morning and at night.
If you use this medicine with another eye drop, wait at least 10 minutes between the application of dorzolamida/timolol and the other medicine.
Do not change the dose of this medicine without consulting your doctor. If you must interrupt treatment, contact your doctor immediately.
Do not let the tip of the container touch the eye or the area surrounding it. It may become contaminated with bacteria that can cause eye infections leading to serious damage to the eyes, including vision loss. To avoid possible contamination of the container, wash your hands before using this medicine and avoid touching the tip of the container to any surface. If you think your medicine may be contaminated or if you develop an eye infection, consult your doctor immediately to determine if you should continue using this container.
To ensure a correct dose - do not enlarge the hole of the dropper tip.
Instructions for use:
Do not use this eye drop if the plastic safety strip is missing or broken. To open the container for the first time, tear off the plastic safety strip.

Each time you use this medicine:

If you use more Dorzolamida/Timolol Viatris than you should
It is important to maintain the dose that your doctor has prescribed. If you apply too many drops in the eye or swallow some of the contents of the bottle, you may feel unwell, for example, you may experience headache, feel tired or dizzy, feel lightheaded, have difficulty breathing, experience shortness of breath or notice that your heart beats more slowly. If you experience any of these effects, you should seek medical attention immediately.
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medicine and the amount ingested.
If you forget to use Dorzolamida/Timolol Viatris
It is important to administer this medicine as your doctor has indicated.
If you miss a dose, you should administer it as soon as possible. However, if it is almost time for the next dose, do not administer the missed dose and continue with the scheduled dosing regimen.
Do not use a double dose to make up for missed doses.
If you stop using Dorzolamida/Timolol Viatris
If you want to stop treatment with this medicine, consult your doctor first.
If you have any further questions about the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause adverse effects, although not all people suffer from them.
Severe Adverse Effects
If you experience any of the following adverse effects, discontinue use of this medicine and speak immediately with your doctor, as they could be signs of a reaction to the medicine.
General allergic reactions may occur, including inflammation under the skin in areas such as the face and limbs, and which can obstruct airways, causing difficulty swallowing, shortness of breath, hives or skin rash, localized or generalized rash, itching, severe reactions, sudden and fatal.
Generally, you can continue using the drops, unless the effects are severe. If you are concerned, consult with your doctor or pharmacist. Do not stop using dorzolamida/timolol without speaking with your doctor first.
The following adverse effects have been reported with dorzolamida/timolol or with one of its components in clinical trials or during post-marketing experience.
Very Common(may affect more than 1 in 10 people)
Common(may affect up to 1 in 10 people)
Uncommon(may affect up to 1 in 100 people)
Rare(may affect up to 1 in 1,000 people)
Like other eye medicines, timolol is absorbed into the bloodstream. This can cause adverse effects similar to those that appear with oral beta-blockers. The incidence of adverse effects after topical ophthalmic administration is lower than when medicines, for example, are taken by mouth or injected.
The additional adverse effects listed include reactions that occur within the class of beta-blockers when used to treat eye disorders.
Frequency Not Known(cannot be estimated from available data)
Reporting Adverse Effects
If you experience any type of adverse effect, consult your doctor or pharmacist, even if it is a possible adverse effect that does not appear in this leaflet. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting adverse effects, you can contribute to providing more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiration date that appears on the label of the bottle and on the carton after CAD or EXP. The expiration date is the last day of the month indicated.
This medicine does not require any special storage temperature. Store in the original container to protect it from light and moisture.
Dorzolamida/Timolol Viatris should be used within 28 days after the first opening of the bottle. Therefore, it should be discarded 4 weeks after the first opening of the bottle, even if solution remains. To help you remember, write the date you opened it in the space on the container.
Medicines should not be thrown away through wastewater or household waste. Deposit the containers and medicines you no longer need at the SIGRE collection point in the pharmacy. In case of doubt, ask your pharmacist how to dispose of the containers and medicines you no longer need. This will help protect the environment.
Composition of Dorzolamida/Timolol Viatris
Appearance of the Product and Package Contents
The medicine is a sterile solution, clear, slightly viscous, colorless eye drops.
Dorzolamida/Timolol Viatris is presented in a white, opaque, medium-density polyethylene bottle with a low-density polyethylene dropper tip and a high-density polyethylene cap with a security strip, containing 5 ml of ophthalmic solution.
Package sizes: 1, 3, or 6 bottles of 5 ml each.
Only some package sizes may be marketed.
Marketing Authorization Holder and Manufacturer
Marketing Authorization Holder:
Viatris Limited
Damastown Industrial Park
Mulhuddart, Dublin 15
Dublin
Ireland
Manufacturer:
Pharmathen S.A.
6 Dervenakion str., 15351 Pallini, Attiki
Greece
or
Famar S.A.
Plant A
63 Agiou Dimitriou Street, 174 56 Alimos
Greece
or
Viatris Sante
1 Rue de Turin
69007 Lyon
France
You can request more information about this medicine by contacting the local representative of the marketing authorization holder:
Viatris Pharmaceuticals, S.L.U.
C/ General Aranaz, 86
28027 - Madrid
Spain
This medicine is authorized in the Member States of the European Economic Area and in the United Kingdom (Northern Ireland) with the following names:
Austria: Dorzolamid + Timolol Viatris 20 mg/ml + 5 mg/ml - Augentropfen
Belgium: TensocViatris 20 mg/ml + 5 mg/ml oogdruppels, oplossing
Denmark: Tirzopt
Spain: Dorzolamida/Timolol Viatris 20 mg/ml + 5 mg/ml colirio en solución
France: Dorzolamide/Timolol Viatris 20 mg/ml + 5 mg/ml, collyre en solution
Italy: Dorzolamide e timololo Mylan Generics
Netherlands: Dorzolamide/Timolol Viatris 20/5 mg/ml, oogdruppels, oplossing
Portugal: Timolol + Dorzolamida Mylan
United Kingdom: Dorzolamide/Timolol 20 mg/ml + 5 mg/ml eye drops, solution
(Northern Ireland)
Czech Republic: Dorzogen Combi
Date of the Last Revision of this Leaflet:January 2023
Detailed information about this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) https://www.aemps.gob.es/
The average price of DORZOLAMIDE/TIMOLOL VIATRIS 20 mg/ml + 5 mg/ml EYE DROPS in November, 2025 is around 12.11 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.
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