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Buy Isoniazid Online

antidepressant isoniazid
Active Ingredient: Isoniazid

Isoniazid is used for treating or preventing tuberculosis (TB). If you are using Isoniazid to treat TB, it should always be used along with another medicine.

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Composition and form of release

Isoniazid is indicated for use in the prevention and treatment of tuberculosis of various localization as a monopreparation and as part of the combined treatment of children and adults. The active ingredient is Isoniazid.


The drug Isoniazid is used in the treatment and prevention of various active forms of tuberculosis. The use of the drug is indicated as part of the complex treatment of tuberculous meningitis. For preventive purposes, Isoniazid is prescribed to children under 4 years of age who have a positive skin reaction to tuberculin larger than 10 mm in diameter, persons who have been in contact with tuberculosis patients and patients who have a reaction to the introduction of tuberculin greater than 5 mm in diameter, as well as if X-ray examinations indicate that the patient does not have a progressive form of tuberculosis.


Isoniazid is not prescribed for patients with polio, epilepsy, seizures, kidney dysfunction, and atherosclerosis.

Use during pregnancy and lactation

  • Isoniazid can be used in the treatment of women during pregnancy or lactation.
  • Isoniazid can cross the hemoplacental barrier and enter a woman's breast milk.

Method of administration and dosage

The dose of Isoniazid is selected individually, taking into account the localization and severity of the disease. Adults and adolescent children take 300 mg of the drug 1 r / d or 15 mg per kg of body weight 2 to 3 times a week, children receive the drug 10 or 20 mg per kg of body weight 1 time a day or 20 to 40 mg per kg of body weight 2 to 3 times a week.

When administered intravenously, adults and adolescent children are prescribed 5 mg of the drug per kg of body weight one p / s or 15 mg per kg of body weight from 2 to 3 times a week. Children receive 10 or 20 mg of the drug per kg one r / s or 20 to 40 mg per kg 2 to 3 times a week.

  • The duration of therapy is selected individually.

With intracavernous administration, the patient receives 10 or 15 mg per kg of body weight per day, with inhaled Isoniazid, the daily dose varies from 5 to 10 mg per kg of body weight, divided into 1 or 2 doses per day.

  • The maximum daily adult daily dose is 300 mg.

It is not recommended to take Isoniazid at a dosage of more than 10 mg per kg of body weight in patients with severe forms of cardiopulmonary insufficiency, arterial hypertension, bronchial asthma, coronary heart disease and myxedema.


Taking Isoniazid in high doses is accompanied by increased side effects. If you notice that the patient has taken the drug in an increased dosage, then he needs to quickly wash the stomach and ensure the intake of activated charcoal. If necessary, the appointment of symptomatic treatment is indicated.

Side effects

Taking Isoniazid in therapeutic doses may be accompanied by the development of heart pain, drug-induced hepatitis, nausea, vomiting, dizziness, headaches, euphoria, insomnia, psychosis, allergic reactions and peripheral neuritis.

Storage conditions and terms

Isoniazid should be stored in places that are not accessible to children, which are well protected from the penetration of light and moisture. The shelf life of the drug in solution for injection is 2 years, in tablets-6 years.