Drug interactions
Dexamethasone + Somapacitan
Severity: Moderate
Dexamethasone and Somapacitan: moderate 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 inhibits 11-beta-HSD-1, which may reduce activation of cortisone, so patients on replacement glucocorticoids may need higher doses. Conversely, supraphysiologic glucocorticoid doses can blunt the growth-promoting effect of somapacitan.
What this interaction means in plain words
Dexamethasone and Somapacitan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dexamethasone belongs to Endocrine; Somapacitan belongs to Endocrine.
Why it happens
Growth hormone inhibition of 11-beta-HSD-1 and pharmacodynamic antagonism of growth effects by glucocorticoids.
What to do
Monitor growth response and adrenal status, and adjust glucocorticoid replacement dose after somapacitan is started. Use the lowest effective dexamethasone dose where possible.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Other interactions of Somapacitan
- Alogliptin-metformin + Somapacitan Moderate
- Alogliptin-pioglitazone + Somapacitan Moderate
- Alogliptin + Somapacitan Moderate
- Bazedoxifene-conjugated estrogens + Somapacitan Moderate
- Canagliflozin-metformin + Somapacitan Moderate
- Chlorpropamide + Somapacitan Moderate
Frequently asked questions
Can I take Dexamethasone with Somapacitan?
MediHelp rates the interaction as moderate. Dexamethasone and Somapacitan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Growth hormone inhibits 11-beta-HSD-1, which may reduce activation of cortisone, so patients on replacement glucocorticoids may need higher doses. Conversely, supraphysiologic glucocorticoid doses can blunt the growth-promoting effect of somapacitan.
How serious is the interaction between Dexamethasone and Somapacitan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor growth response and adrenal status, and adjust glucocorticoid replacement dose after somapacitan is started. Use the lowest effective dexamethasone dose where possible.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
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