Cidofovir and Acetaminophen Interaction

Drug interaction information between Cidofovir and Acetaminophen.

Cidofovir and Acetaminophen have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Cidofovir and Acetaminophen. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Cidofovir

Antiviral (Nucleotide Analog)

Drug B

Acetaminophen

Analgesic / Antipyretic

How They Interact

Probenecid is taken alongside cidofovir and can interfere with how your body processes and removes acetaminophen. This could result in higher levels of acetaminophen in your system.

FDA Label Information

Drug Interactions Probenecid Probenecid is known to interact with the metabolism or renal tubular excretion of many drugs (e.g., acetaminophen, acyclovir, angiotensin-converting enzyme inhibitors, aminosalicylic acid, barbiturates, benzodiazepines, bumetanide, clofibrate, methotrexate, famotidine, furosemide, nonsteroidal anti-inflammatory agents, theophylline, and zidovudine).

Frequently Asked Questions

What SPL severity band is on file for Cidofovir + Acetaminophen?

Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Acetaminophen has 23 labeled pairs on file vs Cidofovir's 16. In the minor band specifically: Cidofovir has 11 (also Furosemide, Famotidine, Methotrexate, Acyclovir); Acetaminophen has 21 (also Acetaminophen/Oxycodone, Carbamazepine, Codeine, Diflunisal).

What mechanism field is on file for Cidofovir and Acetaminophen?

Probenecid is taken alongside cidofovir and can interfere with how your body processes and removes acetaminophen. This could result in higher levels of acetaminophen in your system.

Cidofovir carries more major-labeled pairs than Acetaminophen

SPL source-record counts only. This page's band is minor · classes on file: Cidofovir (Antiviral (Nucleotide Analog)); Acetaminophen (Analgesic / Antipyretic).

Cidofovir has 5 major-labeled pairs vs Acetaminophen's 0. This page itself is in the minor band, not the major band.

Cidofovir

5 major · 0 moderate · 11 minor · 16 total

Acetaminophen

0 major · 2 moderate · 21 minor · 23 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.