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.