Drug interactions
Secobarbital + Simvastatin
Severity: Minor
Secobarbital and Simvastatin: minor 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
Barbiturates are CYP3A4 inducers and can lower simvastatin concentrations. Because secobarbital is generally used short term, the clinical effect is usually limited.
What this interaction means in plain words
Secobarbital and Simvastatin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Secobarbital belongs to Central Nervous System; Simvastatin belongs to Cardiovascular.
Why it happens
Secobarbital induces CYP3A4, increasing simvastatin clearance.
What to do
No routine action is needed for short-term use. Reassess lipid response if secobarbital is used chronically.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Simvastatin
- Atazanavir + Simvastatin Contraindicated
- Clarithromycin + Simvastatin Contraindicated
- Cobicistat + Simvastatin Contraindicated
- Cyclosporine + Simvastatin Contraindicated
- Cyclosporin + Simvastatin Contraindicated
- Danazol + Simvastatin Contraindicated
Other interactions of Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Frequently asked questions
Can I take Secobarbital with Simvastatin?
MediHelp rates the interaction as minor. Secobarbital and Simvastatin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Barbiturates are CYP3A4 inducers and can lower simvastatin concentrations. Because secobarbital is generally used short term, the clinical effect is usually limited.
How serious is the interaction between Secobarbital and Simvastatin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed for short-term use. Reassess lipid response if secobarbital is used chronically.
What other medicines interact with Simvastatin?
MediHelp also lists interactions of Simvastatin with, for example, Atazanavir, Clarithromycin, Cobicistat. The full list is on the Simvastatin page.
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