Drug interactions
Amobarbital + Tamsulosin
Severity: Minor
Amobarbital and Tamsulosin: 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
Amobarbital is an enzyme inducer and may lower tamsulosin concentrations, potentially reducing relief of urinary symptoms. The effect is predicted rather than well documented.
What this interaction means in plain words
Amobarbital and Tamsulosin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Amobarbital belongs to Central Nervous System; Tamsulosin belongs to Genitourinary.
Why it happens
Barbiturate induction of CYP3A4 increases tamsulosin clearance.
What to do
Monitor urinary symptom response and consider a tamsulosin dose adjustment if efficacy is lost during prolonged barbiturate use.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Amobarbital and Tamsulosin, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Tamsulosin
- Alfuzosin + Tamsulosin Major
- Avanafil + Tamsulosin Major
- Ceritinib + Tamsulosin Major
- Clarithromycin + Tamsulosin Major
- Cobicistat + Tamsulosin Major
- Doxazosin + Tamsulosin Major
Other interactions of Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Frequently asked questions
Can I take Amobarbital with Tamsulosin?
MediHelp rates the interaction as minor. Amobarbital and Tamsulosin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Amobarbital is an enzyme inducer and may lower tamsulosin concentrations, potentially reducing relief of urinary symptoms. The effect is predicted rather than well documented.
How serious is the interaction between Amobarbital and Tamsulosin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor urinary symptom response and consider a tamsulosin dose adjustment if efficacy is lost during prolonged barbiturate use.
What other medicines interact with Tamsulosin?
MediHelp also lists interactions of Tamsulosin with, for example, Alfuzosin, Avanafil, Ceritinib. The full list is on the Tamsulosin page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
