In the article, we consider the description, reviews about the eye drops "Irifrin" and the price for them.
In ophthalmic practice, the medication is applied topically to narrow the vessels, reduce intraocular pressure and dilate the pupil. This effect is achieved using the main active substance of this tool - phenylephrine. To the drug "Irifrin" price, reviews, analogues are of interest to many.
This drug has a fairly wide range of uses, since reducing intraocular pressure and dilating the pupils are very important in the treatment and diagnosis of various eye diseases.
In addition to the above properties, this drug can help the normal outflow of eye fluid and reduce swelling of the outer shell of the eye. This drug is also prescribed to reduce accommodation spasms with false myopia.
The reviews on Irifrin are mostly positive.
Useful properties of eye drops
The main active substance of the drug is phenylephrine, which refers to sympathomimetics. It has an alpha-adrenergic effect that causes pupil dilation when used topically.
Also, thanks to this tool, the outflow of intraocular fluid improves and the vessels of the mucosa are gradually narrowed. The phenylephrine substance enters the eye tissue quite quickly and easily, the pupil begins to expand after 15-50 minutes after application.
Reviews on eye drops "Irifrin" are abundant.
Eye Drop Composition
Drops are available in different percentages. There are 10% and 2.5%. The active ingredient is phenylephrine hydrochloride.
In 1 ml of the drug 2.5% of the essence contains 25 mg of active ingredients, and in 1 ml of 10% of the essence is 100 mg.
There are also additional substances in the composition of the drug: disodium edetate, citric acid, distilled water, sodium citrate, sodium metabisulfite, hypromellose, sodium dihydrate.
Reviews of "Irifrin" consider below.
Indications for use of the drug
This drug is indicated in these cases:
- with conjunctival hyperemia, to identify the type of injection;
- before an ophthalmic surgery (also laser), which requires a state of mydriasis;
- for the need for dilated pupils to conduct a diagnosis;
- with iridocyclitis - an inflammatory disease of the ciliary body and irises of the eyes.
Interaction with other medicines
If you take this drug simultaneously with atropine, then this will enhance the effect of both drugs. As a result of this, the possibility of developing tachycardia appears.
When used with beta-blockers, there is a risk of increasing blood pressure.
Also, when using a 10% solution at the same time as taking beta-blockers, it is possible to provoke the occurrence of acute arterial hypertension.
During inhalation anesthesia, the drug may have an adverse effect on the cardiovascular system. The simultaneous use of "Irifrin" with sympathomimetics may increase the cardiovascular effect of phenylephrine.
This is confirmed by the instruction for eye drops "Irifrin."
According to reviews, the price of the drug is somewhat overstated.
How to use a medication?
For each disease, there is an individual dosage and application.
With ophthalmoscopy, a 2.5% solution is prescribed once. For the need to dilate the pupils or for mydriasis, one drop is administered. The pupil will expand as much as possible after 20-30 minutes, and this condition can persist for 1-3 hours. If you need to maintain medriase for a longer time, then you can re-instill in an hour.
The drug in a 10% solution is also used for insufficient medriasis in adults and children over 12 years old, in patients with rigid iris.
Used for spasm of accommodation or false myopia. In order to relieve spasm, use a 2.5% composition for adults and children over 6 years of age. Drip one drop in each conjunctival sac before bed every day. The therapeutic course is 28 days or 4 weeks.
During persistent cramping, adults and children over 12 years old can use a 10% solution. You need to drip one drop in the eye before bedtime every day. The treatment course lasts 14 days or 2 weeks.
With iridocyclitis, a 2.5% solution of the drug or 10% is used. The drug is able to prevent rupture and development of existing synechiae and reduces the release of fluids into the anterior chamber of the eye. To do this, drop one drop 2-3 times a day into each eye.
Thanks to the active component, “Irifrin” is able to reduce intraocular pressure, a greater effect is achieved using a 10% solution.
Irifrin is also used in preparation for surgical operations. To do this, apply 10% of the drug one hour or half an hour before the operation, in order to expand the pupil. It is used once, since after the shell of the eyeball has been opened, it is no longer possible to bury the product. Also, drops cannot be used to wet tampons, irrigation, and subconjunctival administration.
Contraindications to the use of the drug
The use of this drug is contraindicated in:
- hyperthyroidism;
- narrow-angle and angle-closure glaucoma;
- high sensitivity to the components of the drug;
- hemoglobin metabolism disorders;
- serious cardiovascular disease.
Among other things, these drops can not be used in elderly patients who have organic changes in the functioning of the vessels of the heart and brain. 10% of the composition of eye drops cannot be used by children whose age has not reached 12 years.
Considering the fact that the effect of Irifrin on the body of a pregnant and lactating woman is not well understood, it is only necessary to use this remedy when the intended benefit of using this medicine significantly exceeds the risk to the fetus.
Side effects of the drug
According to reviews, Irifrin has a number of side effects, which although they are very rare, you need to know about them.
When using these eye drops, such undesirable reactions as lacrimation, irritation, visual acuity, itching, burning in the eyes may occur.
As a result of the use of drops by older people, they can observe reflex pupillary contractions in a day.
Sometimes the drug can contribute to an exacerbation of vascular and heart diseases, increased blood pressure, and heart rhythm disturbance.
In rare cases, the use of the drug can lead to serious pathologies of the cardiovascular system (myocardial infarction, vascular collapse, intracranial hemorrhage). This is confirmed by reviews of "Irifrin." The instruction for eye drops is attached very detailed.
Special instructions for the use of the drug
Avoid getting the drug "Irifrin" on contact lenses. Before you dig in your eyes, you need to remove the lenses. And you can wear them no earlier than 30 minutes after instillation of the drug.
This drug should be used with extreme caution to those people who have diabetes, because there is a risk of high blood pressure, which is caused by a violation of autonomic regulation.
For elderly patients, the drug is also prescribed with caution, because there is a risk of reactive myosis.
In cases of exceeding the required dose when using 2.5% Irifrin solution by people with diseases, injuries of the eyes or its appendages in the postoperative period, with reduced tear production, phenylephrine absorption may increase, which can provoke the appearance of side effects.
The price and reviews for "Irifrin" are given below. In the meantime, consider similar drugs.
Analogues of the drug
The analogues of this drug include: “Vistosan”, “Neosinephrine-Pos”, “Mesaton”, “Visofrin”, “Irifrin BK”.
The cost of the drug
This drug is relatively expensive. For packaging you will have to pay 500-600 rubles. It depends on the region and the pharmacy network. Although, if you analyze the price-quality ratio, then the cost should not be lower.
Reviews about "Irifrin"
You can find completely different consumer reviews of these eye drops. In positive reviews, people note a good effect of the drug, for the majority it helped in the treatment of diseases, and many have improved vision.
In negative reviews, people complain mainly about the severe burning sensation that occurs in both adults and children. For some, these drops caused dizziness, tachycardia, atrial fibrillation. In forums, people advise children to use Irifrin BK, which does not show such a strong burning sensation.
We reviewed the instructions for the drug. Price and reviews for Irifrin are also presented.