Farisil® [Benzocaine, Chlorhexidine]

Pharmacological properties

Farisil is a combined antiseptic drug for topical use in infectious and inflammatory diseases of the oral cavity and throat. the effect of the drug is provided by the action of the components that make up its composition.

Chlorhexidine is an antiseptic, the effect of which is due to surface cationic properties, which leads to a violation of the integrity of the membranes of microorganisms. The drug is active against most bacteria, fungi and viruses, has a microbicidal effect.

Benzocaine, which is part of the drug, has a local anesthetic (analgesic) effect. Reduces sore throat, tickle, pain when swallowing.

About 30% of chlorhexidine is absorbed in the oral cavity, excreted with saliva during the day, which significantly prolongs its effect. Benzocaine is almost not absorbed in the oral cavity.

Indications

Local treatment of acute infectious and inflammatory diseases of the oral cavity and throat.

Application

1 tablet should be slowly absorbed in the oral cavity.

Adults and children over the age of 12 take 1 tablet every 2-3 hours, but no more than 8 tablets per day.

The duration of use of the drug depends on the course of the disease and usually ranges from 3 to 7 days, but if the symptoms persist or intensify 2 days after the start of the drug, you should consult a doctor.

Contraindications

Hypersensitivity to chlorhexidine, benzocaine or other components of the drug or other anesthetics.

Side effects

From the digestive system: a change in taste and irritation of the oral mucosa, with prolonged use of the drug, staining of the teeth and tongue is possible, which gradually disappears after discontinuation of the drug.

Allergic reactions: itching, urticaria, exanthema, angioedema.

special instructions

Patients with intolerance to ether-type anesthetics (Novocaine), parabens can also be hypersensitive to benzocaine. the drug should be used with caution in children, elderly patients and seriously ill patients, since they are more sensitive to benzocaine, and excess doses can lead to methemoglobinemia. tablets should not be bitten and swallowed, since the effect of the drug is local and is possible only with direct contact with the affected area.

Use during pregnancy and lactation. Despite the fact that chlorhexidine and benzocaine do not have embryotoxic and fetotoxic effects, clinical data on the use during pregnancy are insufficient, therefore, the doctor determines the need for prescribing to pregnant women, taking into account the expected benefits for the mother and the potential risk to the fetus / child. It is not known whether the active components of the drug are excreted in breast milk.

Children. Farisil is used in children over the age of 12 years.

The ability to influence the reaction rate when driving vehicles or working with other mechanisms. Does not affect.

Interactions

The drug should not be used with other local antiseptics. it must be borne in mind that benzocaine metabolites significantly weaken the antibacterial effect of sulfanilamide derivatives.

Overdose

Due to the low absorption of the drug, an overdose is unlikely. theoretically, an overdose of chlorhexidine can be accompanied by symptoms of alcohol intoxication (speech impairment, instability when walking), especially in children. an overdose of benzocaine causes symptoms from the central nervous system (dizziness, diplopia, agitation, convulsions, depression).

Symptomatic treatment, gastric lavage, the use of sorbents. In case of methemoglobinemia, methylene blue should be prescribed.

Storage conditions

At a temperature not exceeding 30 ˚s.