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

Expert advice for Fulvenat 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 Fulvenat an aromatase inhibitor/chemo drug/hormone?
No, Fulvenat 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 Fulvenat used for?
Fulvenat 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 Fulvenat administered?
Fulvenat 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 Fulvenat cause hair loss?
Fulvenat has not been reported to cause hair loss.