Dexon is an antibacterial drug that has anti-inflammatory effect, intended for topical use in ophthalmology and ENT practice.
Release form and composition
Release Dexon eye and ear drops. 1 ml of drops contains the active components: nemycin sulfate 5 mg, decasmethasone sodium phosphate 1 mg, and auxiliary components: water for injection, benzalkonium chloride, sodium chloride, creatinine, disodium edetate, disodium hydrogen phosphate, propylene glycol, sodium metabisulfite.
In glass bottles of 5 ml complete with a dropper.
Indications for use
According to the instructions, Dexon is used to treat acute and chronic ENT and eye diseases, in particular:
- Otitis externa;
- Bacterial iridocyclitis;
- Bacterial blepharitis;
- Bacterial conjunctivitis.
Dexon is shown in infectious-allergic diseases of the external ear, as well as for prophylactic purposes after operations in the anterior part of the eye.
According to the instructions, Dexon is contraindicated for use in the following cases:
- Fungal diseases of the eye;
- Mycobacterial infections of the eye;
- Viral diseases of the cornea and conjunctiva;
- Keratitis caused by the viruses Herpes simplex and Varicella zoster;
- Hypersensitivity to dexamethasone, neomycin or excipients of the drug;
- Age up to 7 years - in the treatment of ear diseases;
- Age up to 12 years - when used in ophthalmology.
The use of Dexons is not recommended after uncomplicated removal of a foreign body from the cornea.
During pregnancy, Dexon is not recommended to use, except in cases where the intended benefit to the mother outweighs the potential risks to the fetus. If there is a need for dexona therapy during lactation, breastfeeding should be discontinued at the time of treatment.
Dosing and Administration
In case of eye diseases of mild or moderate severity, Dexon is instilled into the conjunctival sac, 1-2 drops every 4-6 hours. For severe infectious diseases of the eye, the drug is instilled 1-2 drops once per hour. The frequency of instillation is reduced gradually, as the severity of inflammation decreases. The duration of Dexon therapy is 1-1.5 weeks.
In the treatment of ear diseases, Dexon is instilled into the external auditory canal, 3-4 drops 3-4 times a day, depending on the severity of the disease and the severity of symptoms. After achieving a positive result of therapy, the dose and frequency of use of the drops is gradually reduced. The maximum daily dose for adults should not exceed 12 drops. The duration of therapy is 1-2 weeks.
The use of dexons can cause the development of the following side effects from organs of vision:
- Allergic reactions in the form of itching, swelling of the eyelids, conjunctival redness;
- Increased intraocular pressure with the likelihood of glaucoma. Damage to the optic nerve, the formation of posterior subcapsular cataracts, and the slowing of the healing process are possible.
With eye diseases that cause thinning of the sclera or cornea as a result of the use of drugs containing glucocorticosteroids, including Dexons, perforation of the fibrous membrane may develop.
In case of purulent diseases of the acute course of Dexon, the existing infectious process can be strengthened or masked.
Against the background of the use of Dexons, the development of a secondary infection is not excluded, especially with the combination of a glucocorticosteroid with antibiotic drugs.
With prolonged use of the drug may develop fungal lesions of the cornea. In medical practice, there have been no cases of overdose by Dexona. Theoretically, in the case of an overdose of the drug, there is increased tearing, redness of the mucous membrane of the eye, eyelid edema, itching, and point keratitis. If an excessive amount of drops is used, it is recommended to rinse the ear or eyes with warm water.
Dexona is intended solely for topical use.
In the case of a combination medication with aminoglycoside antibiotics, it is necessary to carefully monitor the level of neomycin in the blood. If the use of Dexons lasts longer than 10 days, it is necessary to control the intraocular pressure.
During the instillation of the drug, it is recommended to be careful not to touch the tip of the pipette with your fingers, as this may cause bacterial contamination of the contents of the vial.
For the period of treatment with Dexon, contact lenses should not be used (when used in ophthalmology). A slight burning sensation may occur during the instillation of drops into the eyes. After instillation for half an hour or an hour, it is recommended to refrain from controlling potentially dangerous mechanisms that require increased concentration and visual acuity.
Structural analogues of Dexon has not. Drugs that have similar pharmacological effects are:
Terms and conditions of storage
According to the instructions, Dexon is stored in a cool place where the air temperature does not exceed 25 ºС, reliably protected from moisture and direct sunlight, inaccessible to children. It is forbidden to freeze the drug!
The shelf life of the drug is 3 years. After opening the bottle, it can be stored for no longer than 1 month.