Drug interactions
Lonapegsomatropin + Mexiletine
Severity: Minor
Lonapegsomatropin and Mexiletine: 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
Growth hormone may increase CYP450 activity and could lower concentrations of sensitive substrates such as mexiletine. The clinical effect is uncertain and probably small.
What this interaction means in plain words
Lonapegsomatropin and Mexiletine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Lonapegsomatropin belongs to Endocrine; Mexiletine belongs to Cardiovascular.
Why it happens
Possible induction of CYP-mediated clearance by growth hormone; not firmly established.
What to do
Monitor mexiletine response when growth hormone is started or its dose changed, and adjust if efficacy falls.
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 Mexiletine
- Fezolinetant + Mexiletine Contraindicated
- Mexiletine + Pimozide Contraindicated
- Alosetron + Mexiletine Major
- Amiodarone + Mexiletine Major
- Clozapine + Mexiletine Major
- Cobicistat + Mexiletine Major
Other interactions of Lonapegsomatropin
Frequently asked questions
Can I take Lonapegsomatropin with Mexiletine?
MediHelp rates the interaction as minor. Lonapegsomatropin and Mexiletine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Growth hormone may increase CYP450 activity and could lower concentrations of sensitive substrates such as mexiletine. The clinical effect is uncertain and probably small.
How serious is the interaction between Lonapegsomatropin and Mexiletine?
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 mexiletine response when growth hormone is started or its dose changed, and adjust if efficacy falls.
What other medicines interact with Mexiletine?
MediHelp also lists interactions of Mexiletine with, for example, Fezolinetant, Pimozide, Alosetron. The full list is on the Mexiletine page.
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