Drops Naphthyzine is one of the most popular vasoconstrictor drugs used in rhinitis, sinusitis, eustachaitis , laryngitis. A few minutes after the application of this remedy due to the narrowing of the peripheral blood vessels, nasal breathing becomes easier, the swelling and the amount of mucous discharge from the nasal passages decrease.
Composition of drops Naphthysine
The effect of the drug Naphthyzin is achieved due to the content of the active substance naphazoline nitrate in its composition. It is a medicinal substance that belongs to the pharmacological group of alpha-adrenostimulants that rapidly and severely exert vasoconstrictive effects on the body. Those. this substance causes an increase in the tone of the vascular wall, as a result of which the lumen of the vessel narrows and the blood flow in it decreases.
Naphthysin drops are released in various concentrations - 0.1% and 0.05% of naphazoline. As a rule, a drug with a higher concentration of active substance is recommended for the treatment of adults.
According to the instruction, in addition to naphazoline, the composition of Naphthyzine drops includes auxiliary components:
- boric acid;
- prepared water.
Boric acid has antiseptic and antipruritic effect.
Composition of Vizin and Naphthysin
Not everyone knows that in medical practice, Naphthyzin at a concentration of 0.05% is used not only intranasally, but also for instillation into the eye. The indication for the use of this drug in ophthalmology is chronic conjunctivitis of various genesis:
- allergic;
- infectious.
Naphazoline when instilled in the cavity of the conjunctiva due to vasoconstrictive action helps to reduce
- redness;
- itching;
- burning;
- sensations of a foreign body;
- lacrimation, etc.
A drug with a similar effect, which is often prescribed by ophthalmologists under the same indications, are Vizin drops. However, tetrazoline hydrochloride acts as the active substance of this agent. This substance belongs to the same drug group as naphazoline, and the chemical formulas for these substances are similar.
Despite the similarity of Vizin and Naphthyzin, it is not recommended to replace one drug with another, it can be done by obtaining the permission of the attending physician. Otherwise, the risk of various side effects increases.