Drug interactions
Lonapegsomatropin + Valproic acid
Severity: Minor
Lonapegsomatropin and Valproic acid: 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, but valproate is cleared mainly through glucuronidation and mitochondrial oxidation. A clinically meaningful reduction in valproate levels is unlikely.
What this interaction means in plain words
Lonapegsomatropin and Valproic acid 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; Valproic acid belongs to Central Nervous System.
Why it happens
Possible growth hormone induction of CYP activity, of limited relevance to valproate.
What to do
No dose adjustment is needed. Check valproate levels if seizure control or mood worsens after starting growth hormone.
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 Valproic acid
- Ertapenem + Valproic acid Contraindicated
- Imipenem / cilastatin / relebactam + Valproic acid Contraindicated
- Imipenem / cilastatin + Valproic acid Contraindicated
- Meropenem / vaborbactam + Valproic acid Contraindicated
- Meropenem + Valproic acid Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Valproic acid Major
Other interactions of Lonapegsomatropin
Frequently asked questions
Can I take Lonapegsomatropin with Valproic acid?
MediHelp rates the interaction as minor. Lonapegsomatropin and Valproic acid 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, but valproate is cleared mainly through glucuronidation and mitochondrial oxidation. A clinically meaningful reduction in valproate levels is unlikely.
How serious is the interaction between Lonapegsomatropin and Valproic acid?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is needed. Check valproate levels if seizure control or mood worsens after starting growth hormone.
What other medicines interact with Valproic acid?
MediHelp also lists interactions of Valproic acid with, for example, Ertapenem, Imipenem / cilastatin / relebactam, Imipenem / cilastatin. The full list is on the Valproic acid page.
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