What happens when you drink spoiled milk?

In this brief guide, we will answer the question, “What happens when you drink spoiled milk?”. We will further elaborate on the side effects of drinking spoiled milk, the signs of spoiled milk, and how to prevent milk spoilage.

What happens when you drink spoiled milk?

If you drink spoiled milk, you may get sick. It can result in food poisoning. You may experience fever, vomiting, stomach pain, and bloody diarrhea.

You do not have to worry if you have accidentally ingested one sip of spoiled milk but you must not drink it in larger quantities.

You should drink milk until it has changed its color, aroma, and texture. But if you are using packed milk, then you can consume it within its due date.

It is suggested by the food authorities that you can consume any food more than 5 or 6 days after the expiration date if you do not feel anything unusual in the food.

What is spoiled milk?

Spoiled milk is a form of milk that has a compromised flavor, texture, and quality due to the overproduction of bacteria. 

What are the side effects of drinking spoiled milk?

Drinking spoiled milk can take a toll on your digestive system

Drinking spoiled milk can disturb your digestive system. The growth of bacteria or other toxins in spoiled milk will not let the milk digest. This will lead to vomiting, diarrhea, and many other digestive issues.

Problems of the gastrointestinal tract

If you have consumed spoiled milk, you may experience gastrointestinal problems. Mainly the problems of the GI tract depend upon the quantity of milk you have sipped. It can result in cramping.

If the problem is mild it will go away after a few days, otherwise, it will affect your digestive system with adverse effects. Food poisoning could last for a few hours to many days.

What to do if you have ingested spoiled milk?

If you have ingested spoiled milk, immediately spit it out many times and quickly run brushing your teeth to remove any residue and drink water to dilute and get rid of the bad taste.

What are the signs of spoiled milk?

When the spoliation of milk starts, an unpleasant odor is developed in the milk which becomes stronger as time passes if not discarded. The taste of milk also gets changed- the natural taste of milk has a mild sweetness which is transformed into a sour flavor after spoilage.

The texture and color of the spoiled milk do not alter quickly, it takes time. The texture of spoiled milk turns dingy, slimy, chunky and its color also transforms into yellow.  

The rate of milk spoliation depends upon various factors such as the number of microorganisms that are responsible for spoilage, the place of storage, and the temperature at which you store the milk, and the most important is light exposure.

How to check if the milk has spoiled or not?

If you are not sure about the spoilage of milk then, firstly sniff it. If you are still in confusion then you can confirm it by taking a sip of it before adding it into a bowl of cereal, oats or any other recipe.

What does spoiled milk taste like?

The words spoiled and sour are often used reciprocally to represent milk that has spoiled, but there might be a slight distinction between the two. 

Spoiled milk is usually regarded as pasteurized milk that has an off taste and smell because of the multiplication of bacteria that endured the pasteurization procedure. Most of these bacteria aren’t considered health-promoting and could make you sick.

While on the other end, sour milk indicates unpasteurized, raw milk in which fermentation started naturally.

Similar to spoiled milk, the fermentation in raw milk takes place by the different species of lactic acid bacteria. Some of these lactic acid bacteria are also referred to as probiotics that can provide you with many positive health effects.

Besides the many benefits of raw milk, it is always suggested not to consume raw milk either in fresh or sour form because raw milk can cause many foodborne diseases.

Should we discard the spoiled milk or it could be used?

No, don’t discard the spoiled milk. There are many ways to use spoiled milk. It can be used:

  • For baking goods
  • In stews or soups
  • In making cheese
  • to tenderize meat or fish


In this brief guide, we have provided an answer to the question, “What happens when you drink spoiled milk?”. We have further elaborated on the side effects of drinking spoiled milk, the signs of spoiled milk, and some ways to prevent milk spoilage.



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