Dorzolamide and Timolol are combined in this medicine.
This medicine is used to treat increased pressure in the eye when other treatment alone is inadequate.
Apply Dorzolamide + Timolol eye drops solution exactly as directed by your doctor or according to the instructions on the label. Do not use more or less than instructed by your doctor.
To use the eye drop solution:
- Wash your hands thoroughly with soap and water before using the eye drops.
- Tilt your head slightly backwards. With the index finger, pull the lower eyelid away from the eye to form a pouch. Look upward and instil the required number of drops inside the lower eyelid.
- Close your eyes and gently press the corner of your eye (near the nose bridge) for at least 2 minutes. This will help keep the medicine in your eye.
- Wipe any excess liquid from your face with a clean tissue.
- Replace and tighten the cap of the bottle. If you are using the single-dose container, throw away the used container with any remaining solution immediately.
Do not allow the tip of the dropper of this medicine to touch your eyes, eyelids or any other surface. If you are using a multiple-dose container, recap the eye drop immediately after use. If the eye drop becomes contaminated, it could cause an infection in your eyes.
If you have been given any other eye drops or medicines to be used together with Dorzolamide + Timolol, wait for at least 5 or 10 minutes before using the other medicine.
Do not share your eye drops with anyone else.
Some brands of this medicine contain benzalkonium chloride as a preservative. This may discolour soft contact lenses and cause eye irritation. If you are wearing contact lenses, you should remove them before applying the eye drop. Wait for at least 15 minutes before reinserting your lenses.
Instil the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to use your medicine, let your doctor and pharmacist know.
Alert your doctor if you have the following conditions:
- lung disease e.g. current or history of asthma, severe chronic obstructive pulmonary disease (long-term lung disease that causes airflow obstruction making it hard to breathe)
- certain heart disease e.g. heart rhythm disorder, heart block, severe heart failure
as Dorzolamide + Timolol may not be suitable for you.
Inform your doctor if you have the following conditions:
- history of serious allergic reaction to allergens
- history of heart disease
- blood flow disorder such as Raynaud's disease (poor blood circulation which makes the toes and fingers numb and pale when feeling cold or stressed)
- condition that may result in obstruction of arteries that supply blood to the brain
- disturbance in the pH (acid or alkali balance) of the blood
- mild or moderate chronic obstructive pulmonary disease
- diabetes
- hyperthyroidism (overactive thyroid gland)
- myasthenia gravis (muscle weakness disorder)
- kidney disease
- other eye diseases
- history of mental illness
- liver disease
Let your doctor know if you are pregnant or breastfeeding.
If you are going to have an operation, including minor surgery and dental work, inform your doctor or dentist that you are using Dorzolamide + Timolol.
For as long as you are using this medicine, you may need to have your eyes checked regularly. Your doctor will advise you about how often you need to have this test.
Dorzolamide + Timolol may cause your vision to be blurred. If affected, do not drive or take part in any activity in which you need to see clearly.
Other side effects include any of the following: headache, dizziness, unusual changes in taste, nausea, eye discomfort such as burning sensation, irritation, redness, itching, pain, tearing, swelling of the eyelid, and dryness of the eye.
Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
- wheezing, shortness of breath, coughing, fatigue
- rapid or irregular heartbeat accompanied by breathlessness, weakness, swelling of legs, ankles or feet
- rashes with peeling of the skin or blistering of the lips, mouth or eyes accompanied by fever
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking or using any of these medicines:
- medicines for high blood pressure e.g. reserpine, guanethidine
- medicines for irregular heartbeat e.g. quinidine, amiodarone, digoxin
- medicines to treat depression e.g. paroxetine, fluoxetine
- medicines for diabetes
- epinephrine (medicine used for emergency treatment of severe allergic reactions)
This list does not include all medicines that may interact with Dorzolamide + Timolol.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Store in a cool, dry place away from the reach of children.
Protect from light.
Medicines must not be used past the expiry date.
If you are using a multiple-dose container, throw away any remaining eye drops 28 days after opening. Mark the date of opening on the eye drop bottle so that you know when to discard it.
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