Category: Antibiotics

Methenamine Overview

Hexamethylenetetramine, also known as methenamine, hexamine, or urotropin, is a heterocyclic organic compound with the formula (CH2)6N4. This white crystalline compound is highly soluble in water and polar organic solvents. It has a cage-like structure similar to adamantane. It is useful in the synthesis of other organic compounds, including plastics, pharmaceuticals, and rubber additives. It sublimes in vacuum at 280°C. Contents 1 Synthesis, structure, reactivity 2 Applications 2....

Read more Methenamine Details
Details May Include Instructions, Side Effects, Interactions, Etc. Drug monograph is from Wikipedia. All text is available under the terms of the GFDL (GNU Free Documentation License). Source:

Recent Methenamine Forums: RSS Feed

White Oblong Tablet Cl 20

Please identify the following: White Oblong Tablet with imprint Cl 20 on one side, no other imprints on the otherside except a transverse line at the midsection. ## I'm sorry, but I can't find any listings for this in our U.S. prescription drug resources. This leads me to suspect that it may be something that is available over the counter, though there is also a small chance that it may be a foreign medication. Do you happen to know its country of origin? ## methenamine hippurate, 1 gram County Line Pharmaceuticals ## This is correct. It's generic for Hiprex.

unidentified round red pill

the pill has black writing on one side that says CYS7EX and that is it. it is round like a circle and red ## This is an over the counter product called Cystex, it is claimed to help with the pain associated with urinary tract infections and to prevent their reoccurring. It contains 162.5mgs of Sodium Salicylate and 162mgs of Methenamine. The Sodium Salicylate is a mild analgesic and the Methenamine is an antibacterial. Side effects may include: nausea, vomiting, diarrhea and loss of appetite. Learn more: Is there anything else I can help with? ## Can I take cystex and Ic Drug that is prescribed for UTis

White Oblong Tablet Imprint Cl 20

what pill is this? Is it Methenamine Hippur? 1 gram? ## No, the Hiprex tablet that contains Methenamine is yellow, oblong and has the marking MERRELL 277 on on side. Where was this obtained? Did it come from a pharmacy? I can't find anything that matches this in the U.S. prescription drug databases.


Possible Dosages for this and Related Drugs:

  • Suspension: 500mg/5ml
  • Tablet: 1g, 1gm, 500mg
  • Tablet, Delayed Release: 1g, 500mg
Note: Above list includes dosages for all drugs with the same combination of active ingredients.

NDC Database Records for Methenamine: (9 results)

Sorted by National Drug Code
  • 0955-1037 Methenamine Hippurate 1 Gm Oral Tablet by Winthrop U.S.
  • 13925-107 Methenamine Hippurate 1 Gm Oral Tablet by Seton Pharmaceuticals
  • 42799-105 Methenamine Mandelate 500 mg Oral Tablet by Edenbridge Pharmaceuticals, LLC
  • 42799-106 Methenamine Hippurate 1 Gm Oral Tablet by Edenbridge Pharmaceuticals, LLC
  • 43199-020 Methenamine Hippurate 1 Gm Oral Tablet by County Line Pharmaceuticals, LLC
  • 47781-577 Methenamine Hippurate 1 g/1 Oral Tablet by Alvogen Inc.
  • 64720-139 Methenamine Hippurate 1 Gm Oral Tablet by Corepharma, LLC
  • 64980-119 Methenamine Hippurate 1 Gm Oral Tablet by Rising Pharmaceuticals Inc
  • 69315-210 Methenamine Hippurate 1 g/1 Oral Tablet by Leading Pharma, LLC

Other drugs which contain Methenamine or a similar ingredient: (22 results)