Palbociclib and Rifampicin: Drug Interaction Guide
Quick answer: This is a major interaction — avoid combining Palbociclib and Rifampicin unless specifically directed by your doctor.
How Palbociclib interacts with Rifampicin
Rifampicin strongly induces CYP3A4, markedly reducing palbociclib exposure and potentially compromising anticancer efficacy.
What you should do
Avoid concurrent use. Select a noninducing alternative to rifampicin in consultation with oncology and infectious-disease specialists.
Key facts
Severity
Major — avoid combination
Mechanism
Rifampicin strongly induces CYP3A4, markedly reducing palbociclib exposure and potentially compromising anticancer effic...
Action
Avoid concurrent use. Select a noninducing alternative to rifampicin in consultation with oncology and infectious-diseas...
Frequently asked questions
Can I take Palbociclib and Rifampicin together?
No — this combination should generally be avoided. Avoid concurrent use. Select a noninducing alternative to rifampicin in consultation with oncology and infectious-disease specialists.
What is the severity of this interaction?
The interaction between Palbociclib and Rifampicin is classified as Major — avoid combination. Rifampicin strongly induces CYP3A4, markedly reducing palbociclib exposure and potentially compromising anticancer efficacy.
What should I do if I'm prescribed both?
Avoid concurrent use. Select a noninducing alternative to rifampicin in consultation with oncology and infectious-disease specialists. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.