
tolbutamide oral brand names and other generic formulations include:
Icn-Tolam Oral, Oribetic Oral, Orinase Oral
phenytoin sodium extended oral brand names and other generic formulations include:
Dilantin Extended Oral, Dilantin Kapseal Oral, Diphentoin Extended Oral, Phenytek Oral, Phenytex Extended Oral
tolbutamide oral and phenytoin sodium extended oral
tolbutamide oral increases levels of phenytoin sodium extended oral by the drugs competing to be bound to protein and therefore possibly increasing the amount of the drugs in the blood.
tolbutamide oral and phenytoin sodium extended oral
tolbutamide oral increases levels of phenytoin sodium extended oral by plasma protein binding competition.
Check for more interactions with the Drug Interaction Checker
Drug Interaction Categories
Contraindicated
Never use this combination of drugs because of high risk for dangerous interaction
Serious
Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed
Significant
Potential for significant interaction (monitoring by your doctor is likely required)
Minor
Interaction is unlikely, minor, or nonsignificant