The Most Dangerous Expired Condiments, According To Experts

Your refrigerator door is likely filled with bottles of sauces and dressings that have been there for months. It is easy to forget about them, but some items become dangerous once they pass their expiration date or stay open for too long.

Checking these specific bottles regularly will help keep your family safe.

Ketchup and barbecue sauce

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Scott Olson/Getty Images
Scott Olson/Getty Images

Sugary condiments like ketchup and barbecue sauce will last longer than most condiments in the fridge (usually six months to a year, sometimes even two years) thanks to their high sugar content.

However, it's important to keep an eye out for separation and changes in color or flavor which can indicate that these condiments are no longer safe for consumption.

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Oil-based salad dressing

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Scott Olson/Getty Images
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Oil-based salad dressings will usually last up to a year in the fridge once opened, but they can still become harmful once they spoil.

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According to culinary arts chef-intructor Olivia Roszkowski, "If the dressing tastes a bit off, the oil it contains has most likely oxidized, causing it to go rancid [and taste bitter]."

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Creamy-based salad dressing

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Daniel Acker/Bloomberg via Getty Images
Daniel Acker/Bloomberg via Getty Images
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Salad dressings with a creamy base such as Caesar, ranch, or blue cheese are susceptible to spoilage once opened. Dairy is a key ingredient of these condiments, making them high-risk when expired.

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If the smell becomes rancid and you notice separation, toss the bottle. It's better to be safe than sorry when it comes to creamy dressings.

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Pickles

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Daniel Acker/Bloomberg via Getty Images
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Fermented foods like pickles have longer shelf lives and can often last months in the fridge once opened. However, once they've spoiled, they can become harmful to consume.

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Keep an eye on the brine, and once it becomes cloudy or smells strange, it's best to ditch the whole jar. According to Roszkowski, pickles are best if consumed within three months of opening.

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Mayonnaise

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Dhiraj Singh/Bloomberg via Getty Images
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Mayonnaise is a high-risk item because it contains egg yolks and a lot of fat. Once the seal is broken, bacteria can begin to grow if the bottle is left out on the counter or stored for many months.

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If the color turns yellowish or the texture becomes lumpy, it's best to throw it away immediately.

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Cleaning out your condiment collection is an easy way to protect your health. It might feel wasteful to toss a half full bottle, but avoiding a stomach illness is much more important.

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Make it a habit to check dates and signs of spoilage whenever you reach for a sauce. A clean and safe refrigerator makes every meal worry-free.