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Published on: 3/17/2025

Why Does My Vaginal Discharge Have an Ammonia-Like Smell?

An ammonia-like smell in vaginal discharge is often a sign that the natural balance of bacteria has changed, sometimes due to an infection such as bacterial vaginosis.

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Explanation

Your vagina naturally has a mix of good bacteria that keep the area healthy. When this balance changes, it can cause the discharge to smell different. One reason for an ammonia-like odor is that certain bacteria can produce chemicals like ammonia as they grow. Bacterial vaginosis is a common condition where the usual healthy bacteria decline, and other bacteria take over. These bacteria release amines (including ammonia), which make the discharge smell stronger or like ammonia. Stress and other factors may also change the balance of bacteria. This odor is a sign that something might be off, even if you do not see extra discharge or experience discomfort. It is important to mention any changes to a healthcare provider, who can check your symptoms and help decide if any treatment is needed. Remember, keeping track of how your body changes helps you stay healthy.

(References)

  • https://www.ncbi.nlm.nih.gov/books/NBK2495/
  • Nansel TR, Riggs MA, Yu KF, Andrews WW, Schwebke JR, Klebanoff MA. The association of psychosocial stress and bacterial vaginosis in a longitudinal cohort. Am J Obstet Gynecol. 2006 Feb;194(2):381-6. doi: 10.1016/j.ajog.2005.07.047. PMID: 16458633; PMCID: PMC2367104.

  • Mogilnicka I, Bogucki P, Ufnal M. Microbiota and Malodor-Etiology and Management. Int J Mol Sci. 2020 Apr 20;21(8):2886. doi: 10.3390/ijms21082886. PMID: 32326126; PMCID: PMC7215946.

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