Drug interactions
Oxcarbazepine + Silodosin
Severity: Minor
Oxcarbazepine and Silodosin: minor 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
Oxcarbazepine is a weak to moderate inducer of CYP3A4 and may lower silodosin exposure. Reduced alpha-1A blockade could lead to weaker relief of lower urinary tract symptoms.
What this interaction means in plain words
Oxcarbazepine and Silodosin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Oxcarbazepine belongs to Central Nervous System; Silodosin belongs to Genitourinary.
Why it happens
Weak induction of CYP3A4 by oxcarbazepine (and its active metabolite) increases silodosin metabolism.
What to do
No empirical dose change is needed; reassess urinary symptom control if oxcarbazepine is started or stopped and consider an alternative if efficacy is lost.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Silodosin
- Atazanavir + Silodosin Contraindicated
- Conivaptan + Silodosin Contraindicated
- Darunavir + Silodosin Contraindicated
- Fosamprenavir + Silodosin Contraindicated
- Indinavir + Silodosin Contraindicated
- Itraconazole + Silodosin Contraindicated
Other interactions of Oxcarbazepine
- Cabotegravir + Oxcarbazepine Contraindicated
- Oxcarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Oxcarbazepine Major
- Atazanavir + Oxcarbazepine Major
- Benzhydrocodone / acetaminophen + Oxcarbazepine Major
- Bictegravir + Oxcarbazepine Major
Frequently asked questions
Can I take Oxcarbazepine with Silodosin?
MediHelp rates the interaction as minor. Oxcarbazepine and Silodosin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oxcarbazepine is a weak to moderate inducer of CYP3A4 and may lower silodosin exposure. Reduced alpha-1A blockade could lead to weaker relief of lower urinary tract symptoms.
How serious is the interaction between Oxcarbazepine and Silodosin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No empirical dose change is needed; reassess urinary symptom control if oxcarbazepine is started or stopped and consider an alternative if efficacy is lost.
What other medicines interact with Silodosin?
MediHelp also lists interactions of Silodosin with, for example, Atazanavir, Conivaptan, Darunavir. The full list is on the Silodosin page.
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