Common Headache, Vomiting, Weakness, Allergic reaction, Nausea, Injection site reaction, Increased liver enzymes, Urinary tract infection, Diarrhoea.

Expert advice for Faslodex Injection

Fulvestrant should only be taken by women who have undergone menopause and cannot become pregnant.
Fulvestrant should be used with caution if you have kidney/liver problems.
Inform your doctor if you have any bleeding disorder, decreased platelet count, or are receiving blood-thinning medication (for example, warfarin), as fulvestrant when administered in the muscles of the buttock carries a risk of bleeding.
There is a potential risk of thinning or weakening of the bone (osteoporosis) with fulvestrant use. If you experience any such effects, inform your doctor immediately.


Fulvestrant use may lead to asthenia (lack or loss of strength and energy). If you experience such symptoms, avoid driving or operating machines.

Q. Is Faslodex an aromatase inhibitor/chemo drug/hormone?
No, Faslodex belongs to group of medication called as estrogen receptor antagonists. It is a chemotherapeutic drug used for the treatment of breast cancer in women who have attained menopause

Q. What is Faslodex used for?
Faslodex is used in the treatment of breast cancer which has spread locally or to other parts of the body, in women who have attained menopause, and have not responded well to treatment with antiestrogen medications

Q. How is Faslodex administered?
Faslodex is administered by in the muscles of the buttocks, one injection on each side, once a month; this is followed by similar doses at intervals of 2 weeks

Q. Does Faslodex cause hair loss?
Faslodex has not been reported to cause hair loss.