Drug interactions
Moxifloxacin + Triamcinolone acetonide injectable
Severity: Moderate
Moxifloxacin and Triamcinolone acetonide injectable: 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
Fluoroquinolones and corticosteroids each raise the risk of tendinopathy and tendon rupture, and the risk is higher when they are given together. The Achilles tendon is most often affected, and the risk rises further in older patients and transplant recipients. A single local injection carries less systemic exposure than oral or intravenous steroid, but the risk is not zero.
What this interaction means in plain words
Moxifloxacin and Triamcinolone acetonide injectable 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
Additive tendon toxicity, with fluoroquinolones impairing tenocyte function and collagen matrix and corticosteroids reducing collagen synthesis.
What to do
Avoid the combination in patients over 60 or with prior tendon disorders, and choose a non-quinolone antibiotic if possible. Tell patients to stop moxifloxacin and rest at the first sign of tendon pain or swelling.
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 Moxifloxacin
- Amiodarone + Moxifloxacin Contraindicated
- Arsenic trioxide + Moxifloxacin Contraindicated
- Disopyramide + Moxifloxacin Contraindicated
- Dofetilide + Moxifloxacin Contraindicated
- Dronedarone + Moxifloxacin Contraindicated
- Droperidol + Moxifloxacin Contraindicated
Frequently asked questions
Can I take Moxifloxacin with Triamcinolone acetonide injectable?
MediHelp rates the interaction as moderate. Moxifloxacin and Triamcinolone acetonide injectable 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. Fluoroquinolones and corticosteroids each raise the risk of tendinopathy and tendon rupture, and the risk is higher when they are given together. The Achilles tendon is most often affected, and the risk rises further in older patients and transplant recipients. A single local injection carries less systemic exposure than oral or intravenous steroid, but the risk is not zero.
How serious is the interaction between Moxifloxacin and Triamcinolone acetonide injectable?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination in patients over 60 or with prior tendon disorders, and choose a non-quinolone antibiotic if possible. Tell patients to stop moxifloxacin and rest at the first sign of tendon pain or swelling.
What other medicines interact with Moxifloxacin?
MediHelp also lists interactions of Moxifloxacin with, for example, Amiodarone, Arsenic trioxide, Disopyramide. The full list is on the Moxifloxacin page.
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