Drug interactions
Doxycycline + Vecuronium
Severity: Moderate
Doxycycline and Vecuronium: 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
Tetracyclines have weak neuromuscular blocking properties and could modestly enhance vecuronium blockade. Clinical reports are limited.
What this interaction means in plain words
Doxycycline and Vecuronium 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.
Doxycycline belongs to Anti Bacterial; Vecuronium belongs to Musculoskeletal.
Why it happens
Possible additive neuromuscular blockade, potentially via calcium chelation and effects on neuromuscular transmission.
What to do
Monitor neuromuscular blockade with train-of-four and adjust vecuronium dose. Confirm full recovery before extubation.
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 Vecuronium
Other interactions of Doxycycline
- Acitretin + Doxycycline Contraindicated
- Aminolevulinic acid + Doxycycline Major
- Cholera vaccine + Doxycycline Major
- Doxycycline + Isotretinoin Major
- Doxycycline + Methoxyflurane Major
- Doxycycline + Microbiota Major
Frequently asked questions
Can I take Doxycycline with Vecuronium?
MediHelp rates the interaction as moderate. Doxycycline and Vecuronium 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. Tetracyclines have weak neuromuscular blocking properties and could modestly enhance vecuronium blockade. Clinical reports are limited.
How serious is the interaction between Doxycycline and Vecuronium?
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 neuromuscular blockade with train-of-four and adjust vecuronium dose. Confirm full recovery before extubation.
What other medicines interact with Vecuronium?
MediHelp also lists interactions of Vecuronium with, for example, Amikacin, Bacitracin-neomycin-polymyxin, Capreomycin. The full list is on the Vecuronium page.
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