Raloxifene and Famciclovir Interaction
Drug interaction information between Raloxifene and Famciclovir.
Raloxifene and Famciclovir have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Raloxifene and Famciclovir. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Raloxifene may block the enzyme needed to turn famciclovir into its active form, which could make the drug less effective.
FDA Label Information
Raloxifene, a potent aldehyde oxidase inhibitor in vitro, could decrease the formation of penciclovir. However, a clinical drug-drug interaction study to determine the magnitude of interaction between penciclovir and raloxifene has not been conducted.
Raloxifene Also Interacts With
- Diazepam moderate
- Diazoxide moderate
- Cholestyramine moderate
- Amoxicillin minor
- Warfarin minor
Famciclovir Also Interacts With
- Allopurinol minor
- Digoxin minor
- Probenecid minor
- Theophylline minor
- Cimetidine minor
Frequently Asked Questions
What SPL severity band is on file for Raloxifene + Famciclovir?
Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.
How many labeled pairs sit in each drug's minor band?
Raloxifene and Famciclovir tie at 7 labeled pairs each. minor-band counts: Raloxifene 4 alongside Amoxicillin, Warfarin, Digoxin; Famciclovir 7 alongside Allopurinol, Digoxin, Probenecid, Theophylline.
What mechanism field is on file for Raloxifene and Famciclovir?
Raloxifene may block the enzyme needed to turn famciclovir into its active form, which could make the drug less effective.
Raloxifene and Famciclovir · minor-band peers
SPL source-record counts only. This page's band is minor · classes on file: Raloxifene (Selective Estrogen Receptor Modulator (SERM)); Famciclovir (Antiviral (Nucleoside Analog)).
0 major · 3 moderate · 4 minor · 7 total
- Other minor peers for Raloxifene
- Amoxicillin
- Warfarin
- Digoxin
0 major · 0 moderate · 7 minor · 7 total
- Other minor peers for Famciclovir
- Allopurinol
- Digoxin
- Probenecid
- Theophylline
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.
Read our methodology - how this data is sourced, computed, and verified.