Tamsulosin is used to treat symptoms associated with benign prostatic hyperplasia (BPH). It is in a class of drugs known as alpha 1A-adrenoceptor antagonists.
Summary of Interactions with Vitamins, Herbs, and Foods
In some cases, an herb or supplement may appear in more than one category, which may seem contradictory. For clarification, read the full article for details about the summarized interactions.
| Depletion or interference | None known |
| Side effect reduction/prevention | None known |
| Supportive interaction | None known |
| Reduced drug absorption/bioavailability | None known |
| Adverse interaction | None known |
An asterisk (*) next to an item in the summary indicates that the interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.
Interactions with Foods and Other Compounds
Food
Taking tamsulosin on an empty stomach significantly increases the amount of drug available in the blood.1 Consequently, tamsulosin should be taken one hour before or two hours after a meal.
References
1. Sifton DW, ed. Physicians Desk Reference. Montvale, NJ: Medical Economics Company, Inc., 2000, 801–3.
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2006-09-07
