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Drug reference

phenylbutazone

NSAID

NSAID
CDSCO approved
EXCRETION
not curated
INTERACTIONS
12 major
SEVERE in our sources
PREGNANCY
not curated
Top interactionssee all 12
  • SulfonylureasSevereTextbookKDT 7e · p271
  • AcalabrutinibSevereDatabaseDDInter
  • ApixabanSevereDatabaseDDInter
  • AvapritinibSevereDatabaseDDInter

Mechanism

Not yet extracted

Side effects

Serious
  • fluid retention (accentuated in liver disease)

Drug interactions

Sulfonylureas
Severe
Textbook

Enhanced sulfonylurea action, potentially precipitating severe hypoglycaemia.

Monitor blood glucose closely and adjust sulfonylurea dosage as necessary.

Source: KDT 7e · p271

Acalabrutinib
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Apixaban
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Avapritinib
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Betrixaban
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Cabozantinib
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Cidofovir
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Cladribine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Clozapine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Dalteparin
Severe
Database

Clinical effect not specified

Source: DDInter

Dasatinib
Severe
Database

Clinical effect not specified

Source: DDInter

Deferasirox
Severe
Database

Clinical effect not specified

Source: DDInter

Other Unclassified drugs

Ask House about phenylbutazone

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: KD Tripathi 7e·Verified: 2026-05-10 · House clinical team