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“The most common cause of vaginal odor is an imbalance in the normal flora in the vagina,” which causes a fishy odor, irritation, and thin to no vaginal discharge, says Dr. Streicher.
A characteristic fishy odor is considered a positive whiff test and is suggestive of bacterial vaginosis. [41] Addition of a base to vaginal secretion with the diamines putrescine and cadaverine causes them to become volatile and thereby produce a more intense fishy smell. [37] Loss of acidity.
Fishy smelling urine is a primary identifying symptom in infant children (Trimethylaminuria literally meaning "trimethylamine in urine"). [citation needed] Trimethylamine is also released in the person's sweat, reproductive fluids, and breath, and can give off a fishy odor when the concentration of trimethylamine is high enough to be detected.
Individuals with trimethylaminuria develop a characteristic fish odor—the smell of trimethylamine—in their sweat, urine, and breath after the consumption of choline-rich foods. A condition similar to trimethylaminuria has also been observed in a certain breed of Rhode Island Red chicken that produces eggs with a fishy smell, especially ...
The diagnosis of BV is made by a health care provider based on the appearance of the discharge, discharge pH > 4.5, presence of clue cells, when viewing the collected discharge from speculum exam under the microscope, and a characteristic fishy odor when the discharge is placed on a slide and combined with potassium hydroxide ("whiff test").
(Strong odor there can also indicate an infection, such as bacterial vaginosis, which is the most common vaginal infection in women, has a fishy odor and requires antibiotics.)
For women, there may also be a yellow-green, itchy, frothy, foul-smelling ("fishy" smell) vaginal discharge. In rare cases, lower abdominal pain can occur. Symptoms usually appear within 5 to 28 days of exposure. [7] Sometimes trichomoniasis can be confused with chlamydia because the symptoms are similar. [8]
Usually causes scant vaginal discharge with no odor, dry vagina and painful intercourse. These symptoms are usually due to decreased hormones usually occurring during and after menopause. Current term is Genitourinary syndrome of menopause. alkaline Bacterial vaginitis . Gardnerella usually causes a discharge with a fish-like odor. It is ...