Drug interactions
Amobarbital + Praziquantel
Severity: Major
Amobarbital and Praziquantel: major 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 may substantially reduce praziquantel concentrations, causing treatment failure. Enzyme inducers can drop levels below the therapeutic range.
What this interaction means in plain words
Amobarbital and Praziquantel can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Amobarbital belongs to Central Nervous System; Praziquantel belongs to Anti Parasitic.
Why it happens
Amobarbital induces CYP3A4 and other enzymes, increasing praziquantel clearance.
What to do
Avoid the combination if possible, or consider an alternative sedative. If unavoidable, monitor for therapeutic failure and consider a higher praziquantel dose under specialist advice.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Amobarbital and Praziquantel, 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 14 days on the web. No card needed.
Other interactions of Praziquantel
- Enzalutamide + Praziquantel Contraindicated
- Praziquantel + Rifampin Contraindicated
- Apalutamide + Praziquantel Major
- Butabarbital + Praziquantel Major
- Butalbital + Praziquantel Major
- Carbamazepine + Praziquantel 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 Praziquantel?
MediHelp rates the interaction as major. Amobarbital and Praziquantel can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Barbiturates may substantially reduce praziquantel concentrations, causing treatment failure. Enzyme inducers can drop levels below the therapeutic range.
How serious is the interaction between Amobarbital and Praziquantel?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if possible, or consider an alternative sedative. If unavoidable, monitor for therapeutic failure and consider a higher praziquantel dose under specialist advice.
What other medicines interact with Praziquantel?
MediHelp also lists interactions of Praziquantel with, for example, Enzalutamide, Rifampin, Apalutamide. The full list is on the Praziquantel 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.
