Generic name: carteolol [ kar-TEE-oh-lol ]
Drug class: Ophthalmic glaucoma agents
Medically reviewed by Drugs.com. Last updated on Nov 5, 2022.
Uses for carteolol
Carteolol is used alone or together with other medicines to treat increased pressure in the eye that is caused by open-angle glaucoma or a condition called intraocular (in the eye) hypertension. This medicine is a beta-blocker .
This medicine is available only with your doctor's prescription .
Before using carteolol
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of carteolol in the pediatric population. Safety and efficacy have not been established .
No information is available on the relationship of age to the effects of carteolol in geriatric patients. However, elderly patients are more likely to have age-related heart problems, which may require caution in patients receiving carteolol .
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Iobenguane I 131
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Amtolmetin Guacil
- Choline Salicylate
- Flufenamic Acid
- Insulin Aspart, Recombinant
- Insulin Degludec
- Insulin Detemir
- Insulin Glargine, Recombinant
- Insulin Glulisine
- Insulin Human Inhaled
- Insulin Human Isophane (NPH)
- Insulin Human Regular
- Insulin Lispro, Recombinant
- Mefenamic Acid
- Niflumic Acid
- Nimesulide Beta Cyclodextrin
- Salicylic Acid
- Sodium Salicylate
- St John's Wort
- Tiaprofenic Acid
- Tolfenamic Acid
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Asthma or
- Bradycardia (slow heartbeat) or
- Chronic obstructive pulmonary disease (COPD), severe or
- Heart block or
- Heart failure—Should not use in patients with these conditions .
- Diabetes or
- Hyperthyroidism (overactive thyroid) or
- Hypoglycemia (low blood sugar)—May cover up some of the signs and symptoms of these diseases, such as a fast heartbeat .
- Lung disease—Use with caution. May cause difficulty with breathing in patients with this condition .
- Myasthenia gravis—May worsen symptoms of this condition, such as muscle weakness .
Proper use of carteolol
Shake the medicine well just before each use .
To use the eye drops (solution):
- First, wash your hands. Tilt the head back and, pressing your finger gently on the skin just beneath the lower eyelid, pull the lower eyelid away from the eye to make a space. Drop the medicine into this space. Let go of the eyelid and gently close the eyes. Do not blink. Keep the eyes closed and apply pressure to the inner corner of the eye with your finger for 1 or 2 minutes to allow the medicine to be absorbed by the eye.
- Immediately after using the medicine, wash your hands to remove any medicine that may be on them.
- To keep the medicine as germ-free as possible, do not touch the applicator tip to any surface (including the eye). Also, keep the container tightly closed. Serious damage to the eye and possible loss of vision may result from using contaminated eye medicines .
If your doctor ordered two different eye medicines to be used together, wait several minutes before using the second medicine. This will help prevent the second medicine from “washing out” the first one .
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For ophthalmic solution dosage form (eye drops):
- For glaucoma or hypertension of the eye:
- Adults—One drop in the affected eye(s) two times a day.
- Children—Use and dose must be determined by your doctor .
- For glaucoma or hypertension of the eye:
If you miss a dose of this medicine, apply it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Precautions while using carteolol
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects .
If itching, redness, swelling, or other signs of eye or eyelid irritation occur, stop using this medicine and check with your doctor. These signs may mean that you are allergic to this medicine .
Carteolol may cause heart failure in some patients. Check with your doctor right away if you are having chest pain or discomfort; dilated neck veins; extreme fatigue; irregular breathing; an irregular heartbeat; shortness of breath; swelling of the face, fingers, feet, or lower legs; weight gain; or wheezing .
This medicine may cause changes in your blood sugar levels. Also, this medicine may cover up signs of low blood sugar, such as a rapid pulse rate. Check with your doctor if you have these problems or if you notice a change in the results of your blood or urine sugar tests .
Make sure any doctor or dentist who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having surgery .
Side Effects of carteolol
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
- Blurred vision
- chest pain or discomfort
- dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- shortness of breath
- slow or irregular heartbeat
- unusual tiredness or weakness
Incidence not determined
- Blue lips, fingernails, or skin
- blurred, cloudy, or yellow vision
- change in color vision
- decreased urine output
- decreased vision after sunset and before sunrise
- difficult or labored breathing
- difficulty seeing at night
- dilated neck veins
- discoloration of white part of eye
- disturbed color perception
- drainage from the eye
- drooping upper eyelids
- double vision
- extreme fatigue
- eye redness, irritation, pain, burning, or tearing
- fast heartbeat
- halos around lights
- inability to speak
- increase in blood flow to the whites of the eyes
- increased sensitivity of eyes to sunlight
- irregular, fast or slow, or shallow breathing
- joint pain, stiffness, or swelling
- loss of vision
- night blindness
- noisy breathing
- overbright appearance of lights
- pain or tenderness around eyes and cheekbones
- pounding or rapid pulse
- redness of skin
- redness, swelling, and/or itching of eye and eyelid
- seeing double
- severe numbness, especially on one side of the face or body
- severe or sudden headache
- slurred speech
- stuffy or runny nose
- swelling of eyelids, face, fingers, lips, hands, feet, or lower legs
- temporary blindness
- tightness in chest
- troubled breathing
- tunnel vision
- unusual feeling in the eyes
- weakness in arm and/or leg on one side of the body, sudden and severe
- weight gain
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not determined
- Change in taste or bad, unusual, or unpleasant (after) taste
- feeling sad or empty
- lack of appetite
- lack or loss of strength
- loss of interest or pleasure
- trouble concentrating
- trouble sleeping
- unable to sleep
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
More about carteolol ophthalmic
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- Drug class: ophthalmic glaucoma agents
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