"Opatanol" is an antiallergic drug of local action. In ophthalmology, it is used to treat allergic eye damage. The main active substance drops - olopatadine. They are produced in sterile plastic bottles with a dropper dispenser with a volume of 5 ml. The drug almost never causes side effects, it is suitable for long-term use. For more information about contraindications to treatment, possible contraindications and reactions of intolerance, read this review of our site.
Content
- 1Description of the preparation
- 2Pharmacological action and group
- 3Indications and contraindications for use
- 4Special instructions and precautions
- 5Video
- 6conclusions
Description of the preparation
"Opatanol" is an antihistamine (or antiallergic) drug based on the active substance of olopatadine.It is intended for topical application and quickly stops allergic eye damage (conjunctivitis, keratitis). If necessary, the drops are prescribed for prolonged use.Side effects during treatment are minimal.
Eye drops "Opatanol" can be used symptomatically and for a long time.
Pharmacological action and group
Olopatanol hydrochloride is a potent antihistamine.The drug does not allow histamine to be released and, accordingly, to secrete cytokines (cytokines are inflammatory mediators). By reducing the permeability of the conjunctival vessels, drops reduce the likelihood of contacting the allergen with the mast cells of the mucous eyes.
Olopatanol hydrochloride blocks the release of cytokines - the main mediators of inflammation.
With topical application (ie instillation), eye drops eliminate all allergic symptoms - it's burning, itching, redness, swelling.The selective action of the drug extends exclusively to the H1 histamine receptors, with no effect on dopamine, serotonin, or cholinergic receptors.
After instillation of "Opatanol" the diameter of the pupil remains unchanged.
The maximum concentration of active substance in the blood is noted after 2 hours after its application.The systemic action and suction volumes of the drug are insignificant, the half-life is about three hours.Metabolites go mainly through the kidneys.
If "Opatanol" is used for renal failure, the patient may have increased blood levels of olopatadine. This is a normal reaction, and dosage adjustment is not required.
With preventive maintenance, eye drops are used in one or two weeksup to the time of supposed contact with the allergen.
Indications and contraindications for use
The drug is prescribed for treatment and prevention:
- allergic lesions of the eyes;
- spring keratoconjunctivitis;
- seasonal allergic conjunctivitis;
- autumn fever.
It can be used by adults and children over three years old- 1-2 drops in each eye 2-3 times a day. Duration of treatment is up to 4 months. Dosage for children and adults is the same.
Eye drops "Opatanol" can be used for children older than three years.
In case of corneal damage and dry eye syndrome, the drug should be used cautiously and only after consultation with an ophthalmologist.In pregnancy and lactation period, drops "Opatanol" are prescribed if the benefit from their application exceeds the possible risks to the fetus.
Absolute contraindications to the use of the drug is not, but during pregnancy, with dry eye syndrome and corneal injuries, care must be taken.
Special instructions and precautions
After instillation of "Opatanol eye irritation may occur, which occurs on its own in a few minutes.The systemic effect of the drug is rare - it manifests itself in the form of headaches, dryness of the mucous membranes of the nose and mouth, dizziness. Contact lenses before using the drug should be removed - you can put them back 15 minutes after instillation.The open vial should be used within 4 weeks.
.Read further about the anomaly of the development of the eye - microphthalmos.
Anti-inflammatory eye drops and the scope of their application are described in this article.
Eye drops Trusopt with instructions for use are described here.
.Video
conclusions
Reddening of the mucous membrane, a feeling of discomfort in the eye causes a variety of reasons. Not bad symptoms of an allergy remove drops "Opatanol". They belong to the category of antihistamines and are suitable for long-term use (up to 4 months).
Also read about such drugs as Okomistin and Lecrolin.
