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Drug interactions

Tamsulosin + Tecovirimat

Severity: Minor

Tamsulosin and Tecovirimat: 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

Tecovirimat is a weak CYP3A4 inducer and may slightly lower tamsulosin exposure. Given the short treatment course, a meaningful loss of effect is unlikely.

What this interaction means in plain words

Tamsulosin and Tecovirimat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Tamsulosin belongs to Genitourinary; Tecovirimat belongs to Miscellaneous.

Evidence level: Low

Why it happens

Tecovirimat weakly induces CYP3A4, increasing tamsulosin clearance.

What to do

No dose change is usually required. Check urinary symptom control if tamsulosin appears less effective during the course.

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?

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

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Frequently asked questions

Can I take Tamsulosin with Tecovirimat?

MediHelp rates the interaction as minor. Tamsulosin and Tecovirimat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tecovirimat is a weak CYP3A4 inducer and may slightly lower tamsulosin exposure. Given the short treatment course, a meaningful loss of effect is unlikely.

How serious is the interaction between Tamsulosin and Tecovirimat?

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 dose change is usually required. Check urinary symptom control if tamsulosin appears less effective during the course.

What other medicines interact with Tamsulosin?

MediHelp also lists interactions of Tamsulosin with, for example, Alfuzosin, Avanafil, Ceritinib. The full list is on the Tamsulosin page.

Full monographs, dosing and an interaction checker in the MediHelp app

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