Does Paroxetine Interact With Tamsulosin?
Tamsulosin hydrochloride capsules should be used with caution in combination with moderate inhibitors of CYP3A4 (e.g., erythromycin), in combination with strong (e.g., paroxetine) or moderate (e.g., terbinafine) inhibitors of CYP2D6, or in patients known to be CYP2D6 poor metabolizers, particularly at a dose higher than 0.4 mg (e.g., 0.8 mg).
Severity: Moderate
Severity basis: drug interactions section (keywords: caution). Combining Paroxetine (SSRI antidepressant) and Tamsulosin (Alpha-1 blocker (BPH)) is classified as a moderate interaction.
What to Do
Use this combination with caution. Your prescriber may monitor you more closely or adjust doses.
From the FDA Label
Tamsulosin hydrochloride capsules should be used with caution in combination with moderate inhibitors of CYP3A4 (e.g., erythromycin), in combination with strong (e.g., paroxetine) or moderate (e.g., terbinafine) inhibitors of CYP2D6, or in patients known to be CYP2D6 poor metabolizers, particularly at a dose higher than 0.4 mg (e.g., 0.8 mg).
Source: FDA structured product labeling (set_id 00097e78-9c04-4e62-8260-ddb50e9a6a93).
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This information is educational — not medical advice.
This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.
Other Paroxetine Interactions
- Paroxetine + Aripiprazole(moderate)
- Paroxetine + Aspirin(moderate)
- Paroxetine + Atomoxetine(moderate)
- Paroxetine + Phenytoin(moderate)
- Paroxetine + Warfarin(moderate)
- Paroxetine + Amitriptyline(minor)
- Paroxetine + Bupropion(minor)
- Paroxetine + Buspirone(minor)
- Paroxetine + Carvedilol(minor)
- Paroxetine + Clopidogrel(minor)
- Paroxetine + Codeine(minor)
- Paroxetine + Duloxetine(minor)
- Paroxetine + Lithium(minor)
- Paroxetine + Metoprolol(minor)
- Paroxetine + Risperidone(minor)
- Paroxetine + Sertraline(minor)
- Paroxetine + Tramadol(minor)
- Paroxetine + Venlafaxine(minor)