November 28, 2015
Recommended Topic Related To:


"Potential drug treatments are tested on paper, in laboratories and eventually in thousands of people. But every drug that goes through this cycle “ every drug that FDA approves “ carries some risk. One of the first lines of defense against "...



Patients should be counseled that antibacterial drugs including UREX (methenamine hippurate) should only be used to treat bacterial infections. They do not treat viral infections (e.g., the common cold). When UREX (methenamine hippurate) is prescribed to treat a bacterial infection, patients should be told that although it is common to feel better early in the course of therapy, the medication should be taken exactly as directed. Skipping doses or not completing the full course of therapy may (1) decrease the effectiveness of the immediate treatment and (2) increase the likelihood that bacteria will develop resistance and will not be treatable by UREX (methenamine hippurate) or other antibacterial drugs in the future.

Last reviewed on RxList: 3/28/2008
This monograph has been modified to include the generic and brand name in many instances.

Urex - User Reviews

Urex User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Urex sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Women's Health

Find out what women really need.