Drug interactions
Cephalexin + Ganciclovir
Severity: Minor
Cephalexin and Ganciclovir: minor 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
Cephalexin is actively secreted by the renal tubule and may compete with ganciclovir for elimination. A small rise in ganciclovir levels is theoretically possible but clinical significance is unestablished.
What this interaction means in plain words
Cephalexin and Ganciclovir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible competition for renal tubular secretion via organic anion transporters.
What to do
No specific action is required; continue standard monitoring of creatinine clearance and blood counts.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Ganciclovir
Frequently asked questions
Can I take Cephalexin with Ganciclovir?
MediHelp rates the interaction as minor. Cephalexin and Ganciclovir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cephalexin is actively secreted by the renal tubule and may compete with ganciclovir for elimination. A small rise in ganciclovir levels is theoretically possible but clinical significance is unestablished.
How serious is the interaction between Cephalexin and Ganciclovir?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is required; continue standard monitoring of creatinine clearance and blood counts.
What other medicines interact with Ganciclovir?
MediHelp also lists interactions of Ganciclovir with, for example, Bacitracin, Cilastatin-imipenem, Didanosine. The full list is on the Ganciclovir page.
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