जेफिटिनिब के इंटरैक्शन

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Drugs Affecting Gastric pH: Avoid concomitant use of IRESSA with proton pump inhibitors, if possible. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Drugs Affecting Gastric pH Drugs that elevate gastric pH (e.g., proton pump inhibitors, histamine H 2 -receptor antagonists, and antacids) may reduce plasma concentrations of gefitinib. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Drugs Affecting Gastric pH Drugs that elevate gastric pH (e.g., proton pump inhibitors, histamine H 2 -receptor antagonists, and antacids) may reduce plasma concentrations of gefitinib. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Drugs Affecting Gastric pH Drugs that elevate gastric pH (e.g., proton pump inhibitors, histamine H 2 -receptor antagonists, and antacids) may reduce plasma concentrations of gefitinib. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Drugs Affecting Gastric pH Drugs that elevate gastric pH (e.g., proton pump inhibitors, histamine H 2 -receptor antagonists, and antacids) may reduce plasma concentrations of gefitinib. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Drugs Affecting Gastric pH Drugs that elevate gastric pH (e.g., proton pump inhibitors, histamine H 2 -receptor antagonists, and antacids) may reduce plasma concentrations of gefitinib. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• Hemorrhage in patients taking warfarin: Monitor changes in prothrombin time or INR. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)

Drugs Affecting Gastric pH Drugs that elevate gastric pH (e.g., proton pump inhibitors, histamine H 2 -receptor antagonists, and antacids) may reduce plasma concentrations of gefitinib. (जेफिटिनिब लेबल, दवाओं के इंटरैक्शन)