methenamine


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methenamine

 [mĕ-the´nah-mēn]
a urinary antiseptic, administered orally as the hippurate and mandelate salts.

meth·en·a·mine

(meth-en'ă-mēn),
A condensation product obtained by the action of ammonia on formaldehyde; in acidic urine, it decomposes to yield formaldehyde, a urinary antiseptic.
Synonym(s): hexamine

methenamine

/meth·en·amine/ (meth″en-am´in) an antibacterial used in urinary tract infections; administered as the hippurate and mandelate salts.

methenamine

(mə-thē′nə-mēn′, -mĭn)
n.
An organic compound, C6H12N4, used as a urinary tract antiseptic, in the manufacture of explosives, and in rubber vulcanizing. Also called hexamethylenetetramine.

methenamine

[methē′nəmēn]
a urinary antibacterial.
indication It is prescribed in the treatment of urinary tract infections.
contraindications Liver or kidney dysfunction or known hypersensitivity to this drug or to mandelic acid prohibits its use. It should not be used by patients receiving sulfonamides.
adverse effects Among the most serious adverse effects are severe GI disturbances and rashes.

methenamine

A disinfectant once used as an oral urinary tract antiseptic; in acid urine, methenamine decomposes, generating formaldehyde, which is toxic to urinary tract bacteria.

methenamine

a white crystalline powder used orally as a urinary antiseptic; in acidic urine it is hydrolyzed to formaldehyde and ammonia. Called also hexamine.

methenamine hippurate
hexamine combined with hippuric acid.
methenamine mandelate
a salt of hexamine and mandelic acid, used in infections of the urinary tract.
References in periodicals archive ?
A total of 25 clinical samples from patients with paracoccidioidomycosis that had been diagnosed by culture or Gomori methenamine stain were analyzed through nested PCR.
4) In tissue specimens commonly utilized fugal stains such as Grocott-Gomori's methenamine silver (GMS) and Periodic acid-Schiff (PAS) will highlight hyphae.
Look for these ingredients on labels: DMDM hydantoin, diazolidi-nyl urea, imidazolidinyl urea, methenamine or quarternium-15.
4), Gomori's methenamine silver stain showed branching slender fungal hyphae (Fig.
Those in treatment groups were given cranberry juice, tablets or capsules, while those in control groups were given placebo cranberry products, water, methenamine hippurate, antibiotics, lactobacillus or nothing.
Figure 1 and 2) The patient was treated with cefpodoxime proxetil and methenamine anhydromethylene citrate.
In each case multiple thin sections (3 microns) were cut for light microscopy after fixation in 10% formalin followed by special stains like Periodic Acid Schiff, Gomori methenamine silver and Trichrome.
The two agents that are best supported in the literature for chronic low-dose prophylaxis are nitrofurantoin and methenamine hippurate.
The presence of budding yeast like organisms staining with Gomori methenamine silver, results from the mucicarmine stain were consistent with cryptococcal infection (Fig-3 B).
I found information online about methenamine, which I brought to my general practitioner.
He managed to grow zinc oxide nanorods (single crystals with a hexagonal wurtzite structure) upon a borosilicate glass substrate (seed layer-free process) applying zinc nitrate and methenamine solutions through the hydrothermal method.