After oral administration, the drug is almost completely absorbed from the gastrointestinal tract (70-90%). The maximum concentration in plasma is achieved in 2-3 hours. Food intake does not affect the rate of absorption. The level of the minimum effective concentration for mycobacteria tuberculosis is 10-40 mg / l, for staphylococci 8-32 mg / l, for gram-negative bacteria having a clinical value of 20-250 mg / l. The half-life (T1 / 2) is 21 hours.
Widespread in tissues and body fluids, lungs, bile, ascitic fluid, pleural effusion and synovial fluid, lymph and sputum.
Very well penetrates into the cerebrospinal fluid (80-100%) of the concentration in the serum,a higher concentration in the cerebrospinal fluid is created by inflammatory changes in the meninges.
In organism terizidone is metabolized slightly. From 60 to 70% of the drug is excreted by the kidneys unchanged; a small amount is excreted through the intestine and a small part in the form of metabolites.