Drug reference
fulvestrant
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Endocrine (SERMs)
Mechanism of action
Breast cancer: Competitively binds to estrogen receptors on tumors and other tissue targets, producing nuclear complex that decreases DNA synthesis and inhibits estrogen effects; no estrogen-receptor agonist activity; downregulates estrogen receptors and inhibits breast tumor growth
Common side effects
- Pharyngitis
- Asthenia
- Constipation
- Nausea
- Pain
- Back pain
- Vasodilatation
Related conditions
Frequently asked questions
What drug class is fulvestrant?
fulvestrant belongs to: Endocrine.
How does fulvestrant work?
Breast cancer: Competitively binds to estrogen receptors on tumors and other tissue targets, producing nuclear complex that decreases DNA synthesis and inhibits estrogen effects; no estrogen-receptor agonist activity; downregulates estrogen receptors and inhibits breast tumor growth
What are the common side effects of fulvestrant?
Pharyngitis, Asthenia, Constipation, Nausea, Pain, Back pain, Vasodilatation
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