Drug interactions
Amobarbital + Bazedoxifene-conjugated estrogens
Severity: Moderate
Amobarbital and Bazedoxifene-conjugated estrogens: moderate interaction.
Last updated
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.
Summary
Barbiturates induce hepatic enzymes and can lower estrogen and bazedoxifene concentrations. This may reduce efficacy, including endometrial protection or relief of menopausal symptoms.
What this interaction means in plain words
Amobarbital and Bazedoxifene-conjugated estrogens can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Amobarbital belongs to Central Nervous System; Bazedoxifene-conjugated estrogens belongs to Endocrine.
Why it happens
Amobarbital induces CYP3A4 and glucuronidation, speeding metabolism of the estrogen and bazedoxifene.
What to do
Monitor for loss of symptom control and for abnormal uterine bleeding. Consider an alternative to the barbiturate if possible.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Bazedoxifene-conjugated estrogens
- Anastrozole + Bazedoxifene-conjugated estrogens Contraindicated
- Bazedoxifene-conjugated estrogens + Ospemifene Contraindicated
- Antithrombin alfa + Bazedoxifene-conjugated estrogens Major
- Antithrombin iii + Bazedoxifene-conjugated estrogens Major
- Bazedoxifene-conjugated estrogens + Bemiparin Major
- Bazedoxifene-conjugated estrogens + Carbamazepine Major
Other interactions of Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Frequently asked questions
Can I take Amobarbital with Bazedoxifene-conjugated estrogens?
MediHelp rates the interaction as moderate. Amobarbital and Bazedoxifene-conjugated estrogens can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Barbiturates induce hepatic enzymes and can lower estrogen and bazedoxifene concentrations. This may reduce efficacy, including endometrial protection or relief of menopausal symptoms.
How serious is the interaction between Amobarbital and Bazedoxifene-conjugated estrogens?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for loss of symptom control and for abnormal uterine bleeding. Consider an alternative to the barbiturate if possible.
What other medicines interact with Bazedoxifene-conjugated estrogens?
MediHelp also lists interactions of Bazedoxifene-conjugated estrogens with, for example, Anastrozole, Ospemifene, Antithrombin alfa. The full list is on the Bazedoxifene-conjugated estrogens page.
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