Drug interactions
Grapefruit + Praziquantel
Severity: Minor
Grapefruit and Praziquantel: 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
Grapefruit juice has been shown to raise praziquantel levels. The increase may enhance adverse effects such as dizziness and drowsiness, though the clinical impact is usually modest.
What this interaction means in plain words
Grapefruit and Praziquantel have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Grapefruit components inhibit intestinal CYP3A4, reducing first-pass metabolism of praziquantel.
What to do
Advise avoiding grapefruit juice around the time of praziquantel dosing, and counsel about dizziness and driving.
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 Praziquantel
- Enzalutamide + Praziquantel Contraindicated
- Praziquantel + Rifampin Contraindicated
- Amobarbital + Praziquantel Major
- Apalutamide + Praziquantel Major
- Butabarbital + Praziquantel Major
- Butalbital + Praziquantel Major
Frequently asked questions
Can I take Grapefruit with Praziquantel?
MediHelp rates the interaction as minor. Grapefruit and Praziquantel have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Grapefruit juice has been shown to raise praziquantel levels. The increase may enhance adverse effects such as dizziness and drowsiness, though the clinical impact is usually modest.
How serious is the interaction between Grapefruit and Praziquantel?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding grapefruit juice around the time of praziquantel dosing, and counsel about dizziness and driving.
What other medicines interact with Praziquantel?
MediHelp also lists interactions of Praziquantel with, for example, Enzalutamide, Rifampin, Amobarbital. The full list is on the Praziquantel page.
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