How Long Do Open Condiments Last In The Fridge?

Open condiments often sit in the fridge for months, sometimes longer, without much thought. Are they still safe to use? The truth depends on the ingredients, how they are stored, and how often they are handled.

Knowing more about the shelf life of your condiments can help you make better, safer meals.

Reading expiration dates and labeling bottles

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Mike Kemp/In Pictures via Getty Images Images
Mike Kemp/In Pictures via Getty Images Images

Expiration dates usually refer to unopened products, not how long they last once opened. That's why labeling matters.

Write the open date on the bottle with a marker or sticker. This will make it easier to track the freshness of your condiments and avoid guessing.

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The shelf life of common household condiments

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Daniel Acker/Bloomberg via Getty Images
Daniel Acker/Bloomberg via Getty Images
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Here is a list of common condiments you probably have in your fridge and how long they typically last once opened:

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Ketchup: 6 months

Mustard: 1 year

Mayonnaise: 2 months

Barbecue sauce: 4 months

Jam or jelly: 6-12 months

Relish: 6 months

Horseradish: 3-4 months

Ranch dressing: 2 months

Balsamic vinaigrette: 18 months

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How to know if it's gone bad

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Gabby Jones/Bloomberg via Getty Images
Gabby Jones/Bloomberg via Getty Images
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It's important to check for odd smells, color changes, or mold before using condiments that have been open for a while.

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If anything seems off, err on the side of safety and toss them. When in doubt, trust your senses and don't hesitate to toss anything that looks or smells wrong.

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The bottom line

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Stacy Zarin Goldberg for The Washington Post via Getty Images; food styling by Lisa Cherkasky; for The Washington Post via Getty Images
Stacy Zarin Goldberg for The Washington Post via Getty Images; food styling by Lisa Cherkasky; for The Washington Post via Getty Images
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Understanding how long opened condiments last helps you make smarter decisions about what stays and what goes in your fridge.

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A little awareness can prevent food-borne illness and save money. Reading labels and marking open dates is key to keeping your fridge organized, safe, and efficient.