Can beer expire?

In this brief guide, we will answer the question, “can beer expire?,” and discuss how long does beer stay fresh after opening, and how can you tell if the beer has expired.

Can beer expire?

Yes, the beer expires though there are many factors that can cause it to go bad. The most common factor is exposure to air, which causes oxidation and can change the flavor of your beverage. Fortunately, there are some simple ways you can avoid this problem – such as storing your brew in a cool place like your fridge or freezer!

Generally, beer lasts beyond the printed expiration date on the bottle. When stored properly, the shelf life of beer is approximately six to nine months past the use-by date. Once opened and exposed to air, beer will start to taste flat and stale, but it is still safe to drink if consumed within a few days.

Beer that has gone bad will have a foul odor, an unpleasant taste, and a hazy appearance due to yeast sediment or spoilage bacteria. Beer may also be unsafe to drink after it has been improperly stored for several years.

How can you tell if the beer has expired?

If you are unsure whether a beer has expired, consult the label. This will typically provide instructions on where to look for an expiration date.

You can also tell if a beer has expired by doing a smell test. If it smells sour or unpleasant, it has likely gone bad.

Lastly, you may want to keep in mind that most beers do not expire. Instead, they will simply become flat and lose some of their flavor as time passes.

How does an expired beer taste?

The taste of an expired beer depends on the type of beer it is.

If you drink an expired beer, the beer will taste more bitter than it tasted when it was bottled. The flavor of the beer can also be sour and have a metallic taste, which is caused by oxidation. If your beer smells bad and tastes bad, then you should not drink it because it has bacteria in it.

What are the risks associated with consuming an expired beer?

The risks associated with consuming an expired beer are as follows:

1. Upset stomach

2. Headache

3. Dehydration

What to do with an expired bottle of beer?

An expired bottle of beer can be used to remove stains from your clothing or carpet. Just open the bottle and pour the contents onto the stain. Allow the beer to soak into the stain for a few minutes before dabbing it with a clean cloth. The stain should come out easily after that!

What is the average shelf life of beer?

Here’s what you need to know about the average shelf life of beer:

  • On average, beer will last for six to nine months beyond the use-by date.
  • Unopened, canned beer should last for up to two years if properly stored.
  • Once beer is opened, it should be consumed within a day or two.
  • If you store beer in your fridge, unopened bottles can typically last between four and six months.

Does beer expire in the fridge?

Yes, beer does expire in the fridge.

Of course, it takes a lot longer for beer to go bad in the fridge than it does at room temperature (warm air accelerates the expiration process).

But, like any other food or drink product, it’s not immune to bacteria and fungus growth. And once you pop open a beer, its contents are exposed to additional bacteria that can make it go bad sooner.

How long does beer stay fresh after opening?

It depends on the type of beer and how it’s stored.

In general, beer stays fresh for about a month after opening. As long as the bottle is properly capped, that beer will maintain its taste and quality during that time period.

After opening, beer should be kept in an airtight container such as a beer growler or a screw-top bottle. A small amount of air will be present in any container, but you can minimize this by using a container with a narrower neck as opposed to a wider one. Those openings allow more room for oxygen to permeate the liquid inside; a smaller opening means less oxygen can get through.

After opening, you have to keep your beer refrigerated or else it will begin to go flat and stale much faster. You may also notice that your beer begins to taste off or comes across differently than it did before being opened, this is because oxygen interacts with it when left out at room temperature!

Other FAQs about Beer that you may be interested in.

Which is the best beer for acid reflux?

What is the best beer for beginner drinkers?

Which is the best beer for beer-battered fish?


In this brief guide, we have addressed the question, “can beer expire,” and other questions related to the subject, such as how long does beer stay fresh after opening, and how can you tell if the beer has expired.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.