Has your doctor prescribed you eye drops for high eye pressure? It could be due to a condition like glaucoma. A common medication used for this condition is Carteolol eye drops. So today, let's talk about this medication, how to use it, and what you need to be careful about.
What really happens with this medicine?
Simply put, Carteolol is a drug that belongs to a class of drugs called beta-blockers. This drug works by reducing the amount of fluid produced inside our eyes. Think about it, when the fluid inside the eye increases, the pressure increases. So when the amount of this fluid decreases, the pressure inside the eye also decreases. This is how conditions like glaucoma are controlled.
Things you need to tell your doctor before using the medicine
It is very important that your doctor has a complete picture of your health. Therefore, before using Carteolol, be sure to tell him/her if you have any of the conditions below.
| Your health condition | Why is notification important? |
|---|---|
| Diabetes | This medicine can affect blood sugar levels. |
| Heart disease or blood vessel disease | This medicine can affect heart rate. |
| Lung diseases (such as asthma) | In some cases, it can cause breathing difficulties. |
| Thyroid disease | This medicine can mask thyroid symptoms. |
| Using contact lenses | The way the medicine is used must change. |
| Allergy to Carteolol, other beta-blockers, other medicines, foods or substances | This is very important to prevent allergic reactions. |
| If you are pregnant or trying to get pregnant | The doctor should be aware of the possible effects on the fetus. |
| If the baby is breastfed | There is a possibility that the medicine can pass to the baby through breast milk. |
This is how to use eye drops correctly.
This is an eye drop only. Do not take it by mouth for any reason. Follow these steps to use the medicine.
- Step 1: Wash your hands thoroughly with soap before and after using the medicine.
- Step 2: Tilt your head back a little and gently pull down your lower eyelid with your index finger. It will form a small pouch, right?
- Step 3: Put the number of drops the doctor prescribed into the bag, without letting the tip of the dropper touch your eyes, fingers, or anywhere else. If the tip touches the bottle, germs can enter the bottle.
- Step 4: Now close your eye and gently press your finger on the inner corner of your eye (near the nose) for about a minute or two. This will help the medicine stay inside the eye and reduce its absorption into the body.
- Step 5: Use the medicine only in the prescribed amount, when instructed by your doctor.
- Step 6: Do not stop taking the medication suddenly without your doctor's advice.
Should this medicine be given to children?
This medicine may require special care when used in children, so talk to your pediatrician about this.
What to do if you take too much medicine or take it by mistake?
If you accidentally use too much of this medicine, or if someone drinks it, you must take immediate action.
You can call the National Poison Information Centre at the Colombo National Hospital . Or, go to the Emergency Treatment Unit (ETU) of the nearest hospital.
Note: This medicine has been prescribed for you only. Do not share this medicine with anyone else, even if they have similar symptoms.
What if I miss a dose of medication?
If you forget to take a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take your next dose at the scheduled time. Never take two doses at the same time.
Other things that may interact with this medicine
- Some medications for high blood pressure
- Drugs like Reserpine
This list is not complete. Therefore, tell your doctor about all the medications you are taking (including vitamins, herbal remedies, and supplements) . Also, tell your doctor if you smoke or drink alcohol.
Most importantly: If you are using other eye drops, be sure to ask your doctor before using them with Carteolol.
Things to keep in mind when using the medicine
- Scheduled Tests: See your doctor at the scheduled time to have your eye pressure checked.
- Eye hazards: If you have an eye injury, an infection, or are planning to have eye surgery, ask your doctor if you should continue using this medication.
- Drowsiness: This medication may make you feel drowsy and dizzy. Therefore , do not drive or operate machinery until you know how this medication affects you.
- Contact Lenses: If you wear soft contact lenses, do not use these eye drops while wearing them. Wait about 15 minutes after applying the eye drops before putting them back in.
- Sensitivity to light: If your eyes feel sensitive to light, wear sunglasses.
Possible side effects of this medicine
Like any medicine, Carteolol can cause some side effects. It is important to know what they are.
| Classification of side effects | |
|---|---|
| Side effects that should be reported to your doctor immediately | |
| |
| Side effects that are usually not serious, but should be reported to the doctor if they persist | |
|
How should I store the medicine?
- Keep it out of reach of children. This is very important.
- Store at room temperature (between 15-25 Celsius).
- Protect from direct light.
- Always keep the bottle cap tightly closed.
- Discard after the expiration date.
Take-Home Message
- Carteolol is a medicine used to control eye pressure. Do not stop taking it suddenly without medical advice.
- Before using the medicine, tell your doctor about all your medical conditions and other medications you are taking.
- Use the medicine in the prescribed manner and only in the prescribed amount. It is important to hold the corner of the eye tightly after applying the medicine.
- If you experience any severe side effects, such as difficulty breathing or chest pain, see a doctor immediately.
- Always keep the medicine bottle out of reach of children and keep it safe.


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