Installment Available Cosopt 2%/0.5% Eye Drops
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- 0% InterestNo interest on eligible instalments
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Prescription Required
Overview
Cosopt 2%/0.5% Eye Drops is a prescription-only medicine (POM) that contains Dorzolamide 2% (as dorzolamide hydrochloride) and Timolol 0.5% (as timolol maleate). It is supplied as eye drops and is dispensed in Malaysia only against a valid prescription issued by a registered doctor.
Under Malaysian rules for prescription medicines, this page carries product, safety and handling information only. Your doctor or pharmacist will explain whether this medicine is suitable for you, the dose you should take, and how long you should take it.
On DoctorOnCall, Cosopt 2%/0.5% Eye Drops is reviewed by a licensed doctor through an online consultation and dispensed by a registered pharmacist before delivery. Always follow the instructions on your prescription label and the package insert supplied with the product, and do not share this medicine with anyone else.
Directions for Use
Wash your hands before use. Tilt your head back, gently pull down the lower eyelid to form a small pocket, and instil one drop of Cosopt 2%/0.5% Eye Drops without letting the dropper tip touch your eye or any other surface. Apply gentle pressure to the inner corner of the eye for about 1 minute after instillation to reduce systemic absorption. If you use other eye drops, wait at least 10 minutes between different products. Remove soft contact lenses before use and wait at least 15 minutes before reinserting them.
Dosage
The usual dose of Cosopt 2%/0.5% Eye Drops is one drop in the affected eye(s) twice daily, approximately 12 hours apart, unless your doctor has directed otherwise. Your doctor will confirm the correct dosing schedule for your condition and will monitor your eye pressure regularly to assess your response.
Shelf Life
Use this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.
Storage Instructions
Store below 30°C in a dry place, away from direct sunlight and out of reach of children.
Side Effects
- Eye irritation or discomfort
- Blurred vision
- Dry eyes
- Headache
- Dizziness
- Tiredness or fatigue
- Slowed heartbeat (in some cases)
Contraindications
- Known hypersensitivity to dorzolamide, timolol, sulfonamide-derived medicines, or any component of this product
- Reactive airway disease, including bronchial asthma or a history of severe chronic obstructive pulmonary disease (COPD)
- Sinus bradycardia, second- or third-degree heart block, or overt heart failure
- Severe kidney impairment (dorzolamide is eliminated by the kidneys)
Drug / Food Interactions
- Oral carbonic anhydrase inhibitors (e.g. acetazolamide) should not be used together with this eye drop due to additive effects
- Oral beta-blockers or calcium channel blockers may have an additive effect on heart rate and blood pressure when combined with the timolol component
- Other topical eye medications should be spaced at least 10 minutes apart from this product
- Epinephrine (adrenaline) used during anaesthesia or emergency treatment may have an altered effect in patients using timolol-containing eye drops
Quick Tips
- Apply gentle pressure to the inner corner of your eye after each drop to reduce absorption into the bloodstream
- Wait at least 10 minutes if using another eye drop at the same time
- Remove contact lenses before use and wait at least 15 minutes before putting them back in
- Tell your doctor if you notice a very slow heartbeat, dizziness, or breathing difficulty
Frequently Asked Questions
Is Cosopt 2%/0.5% Eye Drops a prescription medicine?
Yes. Cosopt 2%/0.5% Eye Drops is a prescription-only medicine (POM). It can only be supplied against a valid prescription written by a registered doctor, and it should be used only by the person named on the prescription label.
What does Cosopt 2%/0.5% Eye Drops contain?
Cosopt 2%/0.5% Eye Drops is supplied as eye drops and contains Dorzolamide 2% (as dorzolamide hydrochloride) and Timolol 0.5% (as timolol maleate). The full composition is listed in the Composition section on this page and on the product packaging.
Why is there no information here about what Cosopt 2%/0.5% Eye Drops is for?
Malaysian rules for prescription medicines limit public product pages to product, safety and handling information. Your doctor decides whether this medicine is appropriate for you and will explain it during your consultation, and your pharmacist can answer further questions when the medicine is dispensed.
How should I take Cosopt 2%/0.5% Eye Drops?
Follow your doctor’s instructions and the directions on the dispensing label without changing them. If anything on the label is unclear, check with your pharmacist before taking the first dose, and read the Directions for Use section on this page.
What should I do if I miss a dose?
Take it as soon as you remember, unless your next dose is nearly due. In that case skip the missed dose and carry on with your usual schedule. Never take two doses together to make up for a missed one. If you miss doses often, tell your doctor or pharmacist.
How should I store Cosopt 2%/0.5% Eye Drops?
Store below 30°C in a dry place, away from direct sunlight and out of reach of children. Keep it in the original pack until use, and do not use it after the expiry date printed on the packaging.
What should I do if I notice side effects?
Tell your doctor or pharmacist about any reaction that concerns you, and seek medical care immediately for signs of a severe reaction such as difficulty breathing, swelling of the face, lips or throat, or a widespread rash. Reported reactions are listed in the Side Effects section on this page.
Can I stop taking Cosopt 2%/0.5% Eye Drops on my own?
No. Speak to your doctor before stopping, pausing or changing the dose, even if you feel well or think you no longer need the medicine.
How do I get a prescription for Cosopt 2%/0.5% Eye Drops?
Customers in Malaysia can complete an online consultation with a DoctorOnCall doctor, who decides whether a prescription is appropriate, or upload a valid prescription already issued by their own doctor.
Orders going to Singapore are dispatched from Malaysia as an international delivery, so you need to hold a valid prescription or doctor’s letter for the medicine. Check the consultation and prescription upload options shown at checkout for your delivery address before placing the order.
How long will delivery take?
Within Malaysia, standard delivery takes 3 to 5 working days. Same-day delivery is available in the Klang Valley for orders placed before 12pm; orders placed after 12pm arrive by the end of the next day.
Orders to Singapore are sent as international deliveries and take 5 to 9 working days. A lump-sum shipping and handling fee applies to every overseas delivery and is shown at checkout.
What payment methods can I use?
Customers in Malaysia can pay by FPX online banking, credit or debit card (Visa and Mastercard), and supported e-wallets including Touch ‘n Go eWallet, GrabPay and ShopeePay.
FPX and local e-wallets are tied to Malaysian bank and wallet accounts, so if your delivery address is in Singapore, use the payment options displayed at checkout for that address rather than assuming the same list applies.
Can Cosopt 2%/0.5% Eye Drops be delivered to Singapore?
Yes. DoctorOnCall ships to Singapore as an international order dispatched from Malaysia, arriving in 5 to 9 working days with a lump-sum shipping and handling fee.
Singapore’s Health Sciences Authority (HSA) allows personal imports of up to three months’ supply of a medicine for your own use or an immediate family member’s, as long as it contains no controlled drugs, psychotropic substances or prohibited items. Keep the product in its original labelled packaging and keep a copy of your prescription or doctor’s letter with it. Quantities above three months’ supply, and medicines containing controlled substances, require prior HSA approval.
Is Cosopt 2%/0.5% Eye Drops registered with the authorities?
Products listed on DoctorOnCall are registered with Malaysia’s Ministry of Health for supply in Malaysia, and each pack carries its MAL registration number.
An order delivered to Singapore arrives as a personal import of a Malaysia-registered product; HSA product registration is not required for personal-use quantities, but it is also not the same as a product registered for sale in Singapore. If you need a locally registered Singapore product, buy it from a pharmacy in Singapore.
Who do I contact if there is a problem with my order?
DoctorOnCall’s customer care team handles order, delivery and product queries through the contact channels on the site, including WhatsApp and the online help centre.
For deliveries to Singapore, allow more time before chasing an order than you would for a local Malaysian delivery, as the parcel passes through customs clearance and tracking updates can appear later in the journey.
Ingredients / Active Ingredients
- Dorzolamide 2% (as dorzolamide hydrochloride)
- Timolol 0.5% (as timolol maleate)
Safety Advice
Pregnancy
There is no adequate data on use during pregnancy. Consult a doctor before use.
Breastfeeding
Generally not recommended while breastfeeding.
Kidney
Use cautiously. Dose adjustment or monitoring may be required.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
Caution is advised when consuming alcohol with this medicine.
Driving
It is not advisable to drive if you experience side effects from this medicine.
