Drug interactions
Dexamethasone-tobramycin + Macimorelin
Severity: Moderate
Dexamethasone-tobramycin and Macimorelin: 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
Corticosteroids and CYP3A4 inducers can interfere with the macimorelin growth hormone stimulation test and may produce unreliable results. This is relevant mainly with systemic dexamethasone.
What this interaction means in plain words
Dexamethasone-tobramycin and Macimorelin 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-tobramycin belongs to Anti Bacterial; Macimorelin belongs to Endocrine.
Why it happens
Dexamethasone alters pituitary growth hormone secretion and induces CYP3A4, which may lower macimorelin exposure.
What to do
Hold systemic dexamethasone with adequate washout before macimorelin testing when clinically feasible; interpret results cautiously otherwise.
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-tobramycin
Other interactions of Macimorelin
Frequently asked questions
Can I take Dexamethasone-tobramycin with Macimorelin?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Macimorelin 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. Corticosteroids and CYP3A4 inducers can interfere with the macimorelin growth hormone stimulation test and may produce unreliable results. This is relevant mainly with systemic dexamethasone.
How serious is the interaction between Dexamethasone-tobramycin and Macimorelin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Hold systemic dexamethasone with adequate washout before macimorelin testing when clinically feasible; interpret results cautiously otherwise.
What other medicines interact with Dexamethasone-tobramycin?
MediHelp also lists interactions of Dexamethasone-tobramycin with, for example, Capreomycin, Carboplatin, Ciprofloxacin. The full list is on the Dexamethasone-tobramycin page.
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