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There are tons of prescriptions and over-the-counter medications that cause body odor side effects. Birth control pills often lead to a dry mouth, which can result in a buildup of sulfur in the mouth. In case you don’t know what sulfur is, it’s famous for having a rotten egg smell.
Interestingly, birth control pills can also affect the way a woman detects smells. We’re not advising anyone to suddenly stop taking their pills, but it’s certainly worth a discussion with your healthcare provider if you’re experiencing any smell-related side effects.