Drug interactions
Dexamethasone-tobramycin + Indacaterol inhaled
Severity: Moderate
Dexamethasone-tobramycin and Indacaterol inhaled: 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
Beta2-agonists and corticosteroids can each lower serum potassium. Combined use may produce additive hypokalemia, which can predispose to arrhythmias, particularly in patients with other risk factors.
What this interaction means in plain words
Dexamethasone-tobramycin and Indacaterol inhaled 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.
Why it happens
Beta2-agonists shift potassium into cells and corticosteroids promote renal potassium loss, producing additive hypokalemia.
What to do
Monitor serum potassium in patients on systemic or high-dose corticosteroids, especially with diuretics or heart disease. Replace potassium as needed.
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
Frequently asked questions
Can I take Dexamethasone-tobramycin with Indacaterol inhaled?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Indacaterol inhaled 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. Beta2-agonists and corticosteroids can each lower serum potassium. Combined use may produce additive hypokalemia, which can predispose to arrhythmias, particularly in patients with other risk factors.
How serious is the interaction between Dexamethasone-tobramycin and Indacaterol inhaled?
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 serum potassium in patients on systemic or high-dose corticosteroids, especially with diuretics or heart disease. Replace potassium as needed.
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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