Propranolol and Tamsulosin interaction

Propranolol and Tamsulosin: the Propranolol prescribing label describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Propranolol (InnoPran XL) label · effective 2026-08-27

Moderate

Alpha Blockers: Co-administration of beta-blockers with alpha-blocker (e.g., prazosin) has been associated with prolongation of first dose hypotension and syncope.

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.