Anastrozole Tablets has 3 known drug interactions based on U.S. FDA drug labeling data. Of these, 2 are contraindicated combinations that should be avoided entirely. Notable interactions include combinations with Estrogen-Containing Oral Contraceptives, Tamoxifen. Patients taking Anastrozole Tablets should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 3
- Contraindicated
- 2
- Minor
- 1
Contraindicated (2)
- Anastrozole Tablets + Estrogen-Containing Oral Contraceptives— Estrogen-containing therapies should not be used with anastrozole as they may diminish its pharmacological action.
- Anastrozole Tablets + Tamoxifen— Do not use in combination with anastrozole tablets. Co-administration reduced anastrozole plasma concentration by 27% an…
Minor (1)
- Anastrozole Tablets + Warfarin— Anastrozole did not alter the exposure or anticoagulant activity of R- and S-warfarin in a study of 16 male volunteers.