It is a drug that blocks beta-type receptors that exist in various organs of the body.
Description
This medicine administered into the eyes causes the blood vessels to contract, thereby reducing the amount of aqueous humor that forms and reaches the eyeball. In this way, betaxolol reduces intraocular pressure.
Its use
It is used to treat ocular hypertension or glaucoma in patients with or without a lens even if they wear contact lenses.
Therapeutic group
antiglaucoma and miotics. Beta-blockers
Therapeutic Action
Antiglaucomatous.
Should consider
Betaxolol ophthalmic should be administered with special caution in patients with diabetes, hyperthyroidism , pulmonary disorders or a history of heart disease .
The elderly treated with this medicine should be subjected to special vigilance. Wash your hands before each application and avoid contact of the dropper with your eyes and hands.
If you are going to undergo surgery or a diagnostic test with anesthesia, tell your doctor that you are applying this medicine.
If this medicine is to be used to treat angle-closure glaucoma, you will need another eye drop to contract the pupil at the same time.
If soft contact lenses are used, it is advisable to wait 20 minutes between applying the medication and putting them on.
Do not use the eye drops if a month has passed since you opened it.
Betaxolol ophthalmic is a prohibited substance in competitive sport and can give a positive doping test.
Some effects
The adverse effects of this medicine are, in general, mild and transient.
Occasionally it can cause ocular stinging, blurred vision, staining of the cornea, inflammation of the eyelids, tearing, itching, allergic reactions and decreased tear secretion. Very rarely, headache, decreased heart rate, shortness of breath, asthma, insomnia and depression may occur.
Interactions with other medications
They enhance the action of: ß-blockers (oral); catecholamine depletors
Increased adrenergic activity with: psychotropic drugs.
Some drugs that interact with betaxolol are: reserpine and beta-blockers taken by mouth (sotalol, labetalol).