Fulvestrant Injection

20 interactions 86 cited references
Also sold as: Faslodex Faslodex®
About Fulvestrant Injection

Fulvestrant injection is used alone or in combination with ribociclib (Kisqali®) to treat a certain type of hormone receptor positive, advanced breast cancer (breast cancer that depends on hormones such as estrogen to grow) or breast cancer has spread to other parts of the body in women who have experienced menopause (… Read the full Fulvestrant Injection drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Yellow Fever Vaccine Smallpox Monkeypox Vaccine Rubella Virus Vaccine, Live Bacillus Of Calmette And Guerin Vaccine, Live Mumps Virus Vaccine, Live Dengue Tetravalent Vaccine, Live
9 Contraindicated 11 Major
All (20) Contraindicated (9) Major (11)

Contraindicated

Fulvestrant Injection Bacillus Of Calmette And Guerin Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Dengue Tetravalent Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Measles Virus Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Mumps Virus Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Rubella Virus Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Smallpox Monkeypox Vaccine An increased risk of infection by the live vaccine Details Fulvestrant Injection Typhoid Vaccine Typhim VI® An increased risk of infection by the live vaccine Details Fulvestrant Injection Varicella Virus Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Yellow Fever Vaccine Stamaril An increased risk of infection by the live vaccine Details

Major

Fulvestrant Injection Adenovirus Vaccine Type 4, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Adenovirus Vaccine Type 7, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Azathioprine Azasan An increased risk of hepatotoxicity Details Fulvestrant Injection Cholera Vaccine Ipol An increased risk of infection by the live vaccine Details Fulvestrant Injection Ebola Zaire Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Fluoroestradiol F 18 Reduced detection of estrogen receptor (ER)-positive lesions Details Fulvestrant Injection Influenza Virus Vaccine, Live An increased risk of infection by the live vaccine Details Fulvestrant Injection Levoketoconazole Recorlev Increased risk of serious hepatotoxicity and drug-induced liver injury Details Fulvestrant Injection Mercaptopurine Purinethol® An increased risk of hepatotoxicity Details Fulvestrant Injection Methotrexate Jylamvo Increased methotrexate exposure, an increased risk of methotrexate-related severe adverse reactions, reduced active metabolite for... Details Fulvestrant Injection Rotavirus Vaccine, Live An increased risk of infection by the live vaccine Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.