Drug interactions
Chlorthalidone + Valganciclovir
Severity: Minor
Chlorthalidone and Valganciclovir: 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
Chlorthalidone may compete with ganciclovir for tubular secretion, and diuretic-induced volume depletion can reduce renal clearance. Any rise in ganciclovir exposure is likely modest.
What this interaction means in plain words
Chlorthalidone and Valganciclovir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Chlorthalidone belongs to Cardiovascular; Valganciclovir belongs to Anti Virals.
Why it happens
Theoretical competition for tubular secretion plus possible reduced glomerular filtration from volume depletion.
What to do
Monitor serum creatinine and hydration, and adjust valganciclovir dose if creatinine clearance declines.
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 Valganciclovir
Other interactions of Chlorthalidone
Frequently asked questions
Can I take Chlorthalidone with Valganciclovir?
MediHelp rates the interaction as minor. Chlorthalidone and Valganciclovir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chlorthalidone may compete with ganciclovir for tubular secretion, and diuretic-induced volume depletion can reduce renal clearance. Any rise in ganciclovir exposure is likely modest.
How serious is the interaction between Chlorthalidone and Valganciclovir?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum creatinine and hydration, and adjust valganciclovir dose if creatinine clearance declines.
What other medicines interact with Valganciclovir?
MediHelp also lists interactions of Valganciclovir with, for example, Didanosine, Ganciclovir, Liposomal doxorubicin. The full list is on the Valganciclovir page.
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