Drug interactions
Furosemide + Penicillin vk
Severity: Minor
Furosemide and Penicillin vk: 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
Furosemide competes with penicillin for renal tubular secretion, which may slightly prolong penicillin exposure. The effect is usually small at oral doses.
What this interaction means in plain words
Furosemide and Penicillin vk 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
Competition for organic anion transporter-mediated tubular secretion reduces penicillin renal clearance.
What to do
No routine adjustment is needed; be aware of the effect in patients with significant renal impairment.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Furosemide and Penicillin vk, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Furosemide
- Amifostine + Furosemide Major
- Amikacin + Furosemide Major
- Carbenoxolone + Furosemide Major
- Cephaloridine + Furosemide Major
- Cisplatin + Furosemide Major
- Digoxin + Furosemide Major
Frequently asked questions
Can I take Furosemide with Penicillin vk?
MediHelp rates the interaction as minor. Furosemide and Penicillin vk have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Furosemide competes with penicillin for renal tubular secretion, which may slightly prolong penicillin exposure. The effect is usually small at oral doses.
How serious is the interaction between Furosemide and Penicillin vk?
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 routine adjustment is needed; be aware of the effect in patients with significant renal impairment.
What other medicines interact with Furosemide?
MediHelp also lists interactions of Furosemide with, for example, Amifostine, Amikacin, Carbenoxolone. The full list is on the Furosemide page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
