Ascorbic acid concentration in blood increases penicillin and tetracycline.
Improves the absorption of iron preparations.
Slows the excretion of kidney acids, increases the excretion of drugs that have an alkaline reaction (including alkaloids).
Increases the total clearance of ethanol, which in turn reduces the concentration of ascorbic acid in the body.
Drugs quinoline, calcium chloride, glucocorticosteroids with prolonged use deplete the stores of ascorbic acid.
With simultaneous use reduces the chronotropic effect of isoprenaline.
With prolonged use or use in high doses, it can disrupt the interaction of disulfiram-ethanol.
In high doses increases the excretion of mexiletine by the kidneys.
Barbiturates and primidon increase the excretion of ascorbic acid in the urine.
Reduces the therapeutic effect of antipsychotic drugs (neuroleptics) - phenothiazine derivatives, tubular reabsorption of amphetamine and tricyclic antidepressants.