Betoptik eye drops instructions for use
- Betoptik eye drops instructions for use
Betoptik Eye Drops is a drug used in ophthalmology for the treatment of open-angle glaucoma and other diseases associated with increased intraocular pressure.
Form of issue, composition
Betoptik is released in the form of eye drops with the concentration of the main active substance 0.5%.
The active ingredient is betaxolol hydrochloride (5.6 mg).
As auxiliary substances, sodium hydroxide or concentrated hydrochloric acid, benzalkonium chloride, water are used.
When using eye drops Betaxol, intraocular pressure decreases due to a decrease in the production of intraocular fluid. The hypotensive effect is manifested 30 minutes after use, the maximum effect is manifested after 2 hours.
After a single application, the ophthalmic tone lasts 12 hours. Betaxolol hydrochloride in comparison with other analogs does not reduce blood flow in the optic nerve. The use of Betoptik does not cause hemorrhagia, spasm of accommodation, miosis, "shroud effect" before the eyes.
Eye drops are instilled in 1-2 drops in the conjunctival sac 2 times a day.
Intraocular pressure in some patients is normalized a few weeks after the start of treatment. In this regard, it is recommended to monitor intraocular pressure in the first month of therapy.
If the use of only one drug does not give the desired effectiveness, then additional therapy is allowed.
In case of excessive exposure to the eyes of the drug, it is necessary to rinse the eyes thoroughly with warm water.
With the combined use of beta-blockers and the preparation Betoptik, the risk of side effects (systemic and local) increases. Persons receiving this combination of drugs must undergo medical supervision.
The use of Betoptik with drugs that reduce the amount of catecholamines (reserpine), can cause bradycardia, lowering blood pressure.
Indications for use
Betoptik is prescribed for the treatment of intraocular pressure in ocular hypertension, open-angle glaucoma and used as monotherapy, or combined with other drugs.
The medicinal product is allowed to use for the treatment of the above diseases to persons who have a disease of the respiratory system.
The drug should not be taken with individual intolerance of the components of the drug.
Care should be taken in the presence of AV blockade of 2 and 3 degree, sinus bradycardia, cardiogenic shock, diabetes, myasthenia gravis, and severe heart failure.
From the side of the central nervous system - depressive neuroses, insomnia.
On the part of the organs of vision - often there is lacrimation and discomfort after instillation. Rarely, such manifestations as redness of the eye, a decrease in the sensitivity of the cornea, pinpoint keratitis, anisocoria, photophobia, dry eyes, itching, photophobia are rare.
Pregnancy and lactemia
The experience of using the drug during lactation and pregnancy is not sufficiently studied. Betoptik is prescribed for breastfeeding and pregnancy only when the expected benefit exceeds the estimated risk for the child or fetus.
The main active substance of the drug is able to mask the symptoms of acute hypoglycemia, so caution should be exercised when prescribing it to patients with diabetes mellitus.
Also, beta-adrenoblockers mask the symptoms of thyrotoxicosis (tachycardia), which is dangerous for patients with thyrotoxicosis. If the patient has a suspicion of thyrotoxicosis, then the drug should be discontinued gradually, otherwise it will lead to increased symptoms.
Beta-adrenoblockers cause symptoms such as ptosis, diplopia, general weakness, which are very similar to the symptoms of myasthenia gravis.
Patients with severe impairment of the function of the respiratory system should take the drug with caution. Clinical studies have shown that betaxolol does not affect external respiration, but there may be an increased susceptibility to the drug.
When planning a surgical operation, it is necessary to cancel the drug 48 hours before anesthesia.
Patients with pheochromocytoma or Raynaud's syndrome should take Betoptik with caution.
The main active substance, when instilled in the eye, enters the total bloodstream. As a result, there may appear such side effects as severe cardiovascular and respiratory disorders, bronchospasm, which does not exclude death in persons with bronchial asthma and death due to heart failure.
The drug has very little effect on blood pressure and heart rate. But even so, it is necessary to carefully prescribe medication for heart failure and AV blockade. If there is an early symptom of decompensation from the cardiovascular system, the drug should be immediately withdrawn.
The composition of the drug includes preservatives that can deposit on the surface of soft contact lenses and damage the tissues of the eye. Therefore, to persons using contact lenses, before using eye drops, they must be removed and reused no earlier than 20 minutes after instillation.
In the case where the use of the drug causes the patient to reduce the clarity of vision, it is not recommended to engage in activities with increased attention and it is not desirable to drive vehicles.
The experience of using the drug in children is not sufficiently studied.
Conditions of leave from pharmacies
The drug is allowed to be dispensed only by prescription.
Storage and expiration date
The preparation belongs to the list B. Betoptik should be stored at a temperature of 8-30 ° C in a place inaccessible to children. Shelf life of the medicine since its release is 3 years. The open vial can be used for a month.
Analogues for the active ingredient (Betaxolol): Betalmic EU, Betoptik, Betofan, Xonef, Lokren.
Betoptik eye drops 0,5% 5ml - from 290 rub.