There is Vizin Pure Tear , but it contains other active ingredients.
, 292 р. Average online price * , 292 r. 15 ml.
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Instructions for use
Vizin Classic - popular eye drops. The drug has a fast and long-lasting action, as well as safety, so it is prescribed even to two-year-old children.
Vizin is used to reduce eye redness and swelling caused by allergies or exposure to smoke, wearing contact lenses, dust, light. The drug helps with diseases such as:
- Allergic conjunctivitis;
- Swelling and irritation of the conjunctiva.
Read more about allergy eye products here .
Dosage and administration
The drug is instilled 1-2 drops in each eye, rejecting the head. To evenly distribute the solution, you should blink. Maximum 4 days of continuous use, more - only with the permission of the doctor.
Remove contact lenses before instillation. Wearing them again is allowed after 15 minutes.
It is possible to use Vizin for both treatment and prevention of eye problems.
Do not bury the drug for children under 2 years of age, as well as for people suffering from the following diseases:
- endothelial epithelial corneal dystrophy;
- angle-closure glaucoma;
- hypersensitivity to the components.
Pregnancy and lactation
Due to the likelihood of side effects, it is not recommended to use the drug in pregnant and lactating women. The doctor can appoint them Vizin, but only after examination and analysis of possible risks.
Toxic dose of the drug - 0.01 mg / 1 kg of weight. When it is possible to achieve:
- low temperature;
- shock-like hypotension;
- limb blueness;
- pulmonary edema;
- mental disorders;
- heart failure.
Especially high risk of overdose is noted in infants and young children if the drug is swallowed. This can lead to CNS depression, respiratory arrest and collapse.
When the first symptoms of an overdose appear, you should immediately drink activated charcoal, wash the stomach and call a doctor. Medical assistance includes:
- oxygen inhalation;
- the appointment of funds from convulsions;
- if pressure is increased, intravenous injection of phentolamine;
- with symptoms due to blockade of m-cholinergic receptors - administration of the antidote of Physostigmine.
In some cases, against the background of the drug are possible:
- burning sensation;
- dry mucous membranes;
- increased sweating;
- pressure increase;
- blurred vision;
- conjunctival irritation.
There are also some reports that as a result of long-term continuous treatment with Vizin, xerosis of the conjunctiva appeared in patients - this is its drying and subsequent disintegration.
Composition and release form
Vizin Classic is presented in pharmacies in the form of eye drops in 15 ml dropper bottles. The composition of the solution is as follows:
- tetrizolin (active substance) - 0.5 mg / ml;
- boric acid;
- edetate disodium;
- benzalkonium chloride solution 17%;
- borate and sodium chloride;
Pharmacology and Pharmacokinetics
Tetrizoline activates alpha-adrenergic receptors, but has virtually no effect on beta-adrenergic receptors. The main effects of drugs are a narrowing of blood vessels and a decrease in tissue edema.
The action of Vizin begins 60 seconds after instillation into the eyes, and its duration reaches 4-8 hours.
Pharmacokinetics of the drug has not been studied in detail.
Interaction with other drugs
It is forbidden to combine Vizin with three groups of drugs:
- MAO inhibitors.
- Means to increase the pressure.
- Tricyclic antidepressants.
With the simultaneous use of Vizin with these funds, there is a risk of increasing the vasoconstrictor effect and the pressure increase.
During the period of use of Vizin, you should not wear soft contact lenses, as there is a chance that their transparency will be disturbed.
After the expiration date, it is impossible to pour the solution into the sewage system or throw it on the street, because it is unsafe for the environment. The drug must be put in a bag and thrown into the trash.
3 years. An open bottle can be stored for 4 weeks.
Child friendly place. The optimum temperature is up to 30 degrees.
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* - The average value among several sellers at the time of monitoring is not a public offer.