Drug interactions
Anagrelide + Lofexidine
Severity: Major
Anagrelide and Lofexidine: 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
Both anagrelide and lofexidine can prolong the QT interval. Combined use may increase the risk of torsades de pointes, especially with bradycardia, hypokalemia or other risk factors.
What this interaction means in plain words
Anagrelide and Lofexidine 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.
Anagrelide belongs to Cardiovascular; Lofexidine belongs to Central Nervous System.
Why it happens
Additive QT prolongation.
What to do
Obtain a baseline ECG and monitor QTc during combined use, correcting potassium and magnesium abnormalities. Consider alternatives if QTc becomes markedly prolonged.
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?
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Other interactions of Anagrelide
- Anagrelide + Panobinostat Contraindicated
- Anagrelide + Pimozide Contraindicated
- Anagrelide + Thioridazine Contraindicated
- Anagrelide + Vandetanib Contraindicated
- Abrocitinib + Anagrelide Major
- Alfuzosin + Anagrelide Major
Other interactions of Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Apomorphine + Lofexidine Major
- Arsenic trioxide + Lofexidine Major
Frequently asked questions
Can I take Anagrelide with Lofexidine?
MediHelp rates the interaction as major. Anagrelide and Lofexidine 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. Both anagrelide and lofexidine can prolong the QT interval. Combined use may increase the risk of torsades de pointes, especially with bradycardia, hypokalemia or other risk factors.
How serious is the interaction between Anagrelide and Lofexidine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and monitor QTc during combined use, correcting potassium and magnesium abnormalities. Consider alternatives if QTc becomes markedly prolonged.
What other medicines interact with Anagrelide?
MediHelp also lists interactions of Anagrelide with, for example, Panobinostat, Pimozide, Thioridazine. The full list is on the Anagrelide page.
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