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Interazioni tra farmaci

Anastrozole + Bazedoxifene / conjugated estrogens

Gravità: Controindicata

Anastrozole and Bazedoxifene / conjugated estrogens: contraindicated interaction.

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Sintesi

Anastrozole lowers estrogen levels in postmenopausal women with hormone receptor-positive breast cancer, whereas conjugated estrogens supply estrogen. The therapy opposes the intended anti-estrogen effect and may reduce cancer control.

Cosa significa questa interazione in parole semplici

Anastrozole and Bazedoxifene / conjugated estrogens are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Livello di evidenza: Moderate

Perché avviene

Pharmacodynamic antagonism: exogenous estrogen counteracts aromatase inhibition.

Cosa fare

Do not combine. Use non-hormonal options for vasomotor symptoms in patients on anastrozole.

Cosa chiedere al farmacista

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Domande frequenti

Can I take Anastrozole with Bazedoxifene / conjugated estrogens?

MediHelp rates the interaction as contraindicated. Anastrozole and Bazedoxifene / conjugated estrogens are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Anastrozole lowers estrogen levels in postmenopausal women with hormone receptor-positive breast cancer, whereas conjugated estrogens supply estrogen. The therapy opposes the intended anti-estrogen effect and may reduce cancer control.

How serious is the interaction between Anastrozole and Bazedoxifene / conjugated estrogens?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not combine. Use non-hormonal options for vasomotor symptoms in patients on anastrozole.

What other medicines interact with Anastrozole?

MediHelp also lists interactions of Anastrozole with, for example, Bazedoxifene-conjugated estrogens, Conjugated estrogens, Estradiol. The full list is on the Anastrozole page.

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