Influvak, 0.5 ml/dose 0.5 ml suspension

Influvac – forming development of specific immunity.

Pharmacodynamics

Forms specific immunity to influenza viruses of types A and B, which usually comes 14 days after vaccination and lasts up to 1 year.

Indications

Influenza prophylaxis in adults and children from 6 months of age.

Vaccination is recommended for all people and, above all, the following categories of the population at higher risk if influenza is combined with existing diseases/conditions:

Composition

Active substances:

Hemagglutinin (HA);

Neuraminidase (NA);

Associates:

Potassium chloride;

Potassium dihydrophosphate;

Sodium phosphate dihydrate;

sodium chloride;

calcium chloride dihydrate;

magnesium chloride hexahydrate;

water for injection

How to take, the dosage

Intramuscularly or subcutaneously (deep).

It is strictly prohibited to administer the drug intravenously. Immunization is carried out annually in the fall.

Adults and adolescents (from 14 years of age) – 0.5 ml once, children: from 6 months to 3 years – 0.25 ml, from 3 to 14 years – 0.5 ml once;

children who have not previously had influenza and not vaccinated, as well as patients with immunodeficiency – twice with an interval of 4 weeks.

Interaction

Influvavac® can be used at the same time as other vaccines (vaccines should be injected into different parts of the body with different syringes). There may be increased side effects.

If the patient is on immunosuppressive therapy, the immune response may be reduced.

False-positive serology tests (enzyme immunoassay (ELISA) tests) may occur after vaccination due to the production of IgM after vaccination.

Special Instructions

The vaccine has a shelf life of 12 months.

The expiration date is June 30 of the year following the year of manufacture.

Do not use after the expiration date printed on the package.

Contraindications

Side effects

Blood and lymphatic system disorders: rare – thrombocytopenia.

The immune system: rare – possible allergic reactions; very rare – anaphylactic shock.

Nervous system: often Рheadache; rarely Рparesthesias, seizures, encephalomyelitis, neuritis, Guillain-Barr̩ syndrome.

But no conclusive data on the association of these reactions with vaccination have been established.

Vascular system disorders: very rare – vasculitis with transient renal dysfunction.

General disorders: often – fatigue and neuralgia that do not require treatment and pass in 1-2 days.

Local reactions: redness, swelling, soreness, thickening, ecchymosis.

Systemic reactions: increase in body temperature, malaise, shivering, sweating, pain in muscles and joints.