With the simultaneous use of funds that exert a depressing effect on the central nervous system (incl.sedatives and tranquilizers) is likely to increase the severity of sedation and depressant effect on the respiratory center.
Increases the effect of ethanol on the psychomotor response.
Metamizole sodium reduces the concentration of cyclosporine.
Metamizole sodium, displacing from the bond with protein oral hypoglycemic drugs, indirect anticoagulants, glucocorticosteroids and indomethacin, increases their activity. Tricyclic antidepressants, oral contraceptives, allopurinol disrupt metamizole metabolism in the liver and increase its toxicity.
Simultaneous use of the drug with other non-narcotic analgesics may lead to an increase in toxic effects.
Barbiturates, phenylbutazone and other inducers of microsomal liver enzymes weaken the action of metamizole.