Drug interactions
Fentanyl + Selinexor
Severity: Moderate
Fentanyl and Selinexor: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Selinexor commonly causes dizziness, confusion and fatigue, which may be compounded by the sedative effects of fentanyl. The result may be greater impairment and fall risk. No specific pharmacokinetic interaction is established.
What this interaction means in plain words
Fentanyl and Selinexor can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Fentanyl belongs to Musculoskeletal; Selinexor belongs to Oncology.
Why it happens
Probably additive CNS adverse effects; no specific mechanism has been established.
What to do
Monitor for dizziness, confusion and sedation, and advise patients to avoid driving. Reduce the opioid dose if neurological symptoms worsen.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Fentanyl
- Alvimopan + Fentanyl Contraindicated
- Fentanyl + Isocarboxazid Contraindicated
- Fentanyl + Olanzapine / samidorphan Contraindicated
- Fentanyl + Phenelzine Contraindicated
- Fentanyl + Tranylcypromine Contraindicated
- Alfentanil + Fentanyl Major
Other interactions of Selinexor
- Aldesleukin + Selinexor Moderate
- Alprazolam + Selinexor Moderate
- Amitriptyline + Selinexor Moderate
- Amobarbital + Selinexor Moderate
- Aripiprazole + Selinexor Moderate
- Asenapine + Selinexor Moderate
Frequently asked questions
Can I take Fentanyl with Selinexor?
MediHelp rates the interaction as moderate. Fentanyl and Selinexor can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Selinexor commonly causes dizziness, confusion and fatigue, which may be compounded by the sedative effects of fentanyl. The result may be greater impairment and fall risk. No specific pharmacokinetic interaction is established.
How serious is the interaction between Fentanyl and Selinexor?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for dizziness, confusion and sedation, and advise patients to avoid driving. Reduce the opioid dose if neurological symptoms worsen.
What other medicines interact with Fentanyl?
MediHelp also lists interactions of Fentanyl with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Fentanyl page.
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