A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.
Methenamine
An anti-infective agent most commonly used in the treatment of urinary tract infections. Its anti-infective action derives from the slow release of formaldehyde by hydrolysis at acidic pH. (From Martindale, The Extra Pharmacopoeia, 30th ed, p173)
Nonprescription Drugs
Medicines that can be sold legally without a DRUG PRESCRIPTION.
Self Medication
The self administration of medication not prescribed by a physician or in a manner not directed by a physician.