Drug interactions
Betamethasone + Levofloxacin
Severity: Major
Betamethasone and Levofloxacin: major 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
Using a fluoroquinolone together with a systemic corticosteroid increases the risk of tendinitis and tendon rupture, particularly of the Achilles tendon. The risk is higher in older adults and transplant patients.
What this interaction means in plain words
Betamethasone and Levofloxacin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Betamethasone belongs to Endocrine; Levofloxacin belongs to Anti Bacterial.
Why it happens
Both drugs have adverse effects on tendon tissue and collagen integrity, and the effects appear to be additive.
What to do
Avoid the combination where possible, especially in patients over 60. Stop levofloxacin and rest the limb if tendon pain or swelling develops.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Levofloxacin
- Dronedarone + Levofloxacin Contraindicated
- Ibutilide + Levofloxacin Contraindicated
- Levofloxacin + Thioridazine Contraindicated
- Levofloxacin + Vandetanib Contraindicated
- Levofloxacin + Ziprasidone Contraindicated
- Adagrasib + Levofloxacin Major
Other interactions of Betamethasone
Frequently asked questions
Can I take Betamethasone with Levofloxacin?
MediHelp rates the interaction as major. Betamethasone and Levofloxacin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Using a fluoroquinolone together with a systemic corticosteroid increases the risk of tendinitis and tendon rupture, particularly of the Achilles tendon. The risk is higher in older adults and transplant patients.
How serious is the interaction between Betamethasone and Levofloxacin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, especially in patients over 60. Stop levofloxacin and rest the limb if tendon pain or swelling develops.
What other medicines interact with Levofloxacin?
MediHelp also lists interactions of Levofloxacin with, for example, Dronedarone, Ibutilide, Thioridazine. The full list is on the Levofloxacin page.
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