It can evidently lead to food poisoning. • There are some cases which can be more concerning, though. How long after drinking spoiled milk will you get sick But as long as milk has been properly refrigerated, it should be still drinkable up to a week past the date label — and maybe up to two weeks, depending on the temperature of your refrigerator. What happens if you drink spoiled milk? • It all depends on the foodstuff and the condition of your body. A person can start having stomach cramps, nausea, or even a fever. Thus, one is suggested to smell the milk before gobbling it down or mixing it with tea and … Milk that has gone past its expiration date begins to develop bacteria that are sometimes harmful to the human body, leading to food poisoning if consumed. In some cases, sour milk can cause a mild case of food poising, while in some cases the symptoms are very acute. Is it dangerous to drink spoiled milk? Drinking spoiled milk can lead to a very bad start to the day. Learn more about what makes milk spoil, how to tell if your milk is expired, and the consequences of drinking sour milk. • Food poisoning can even occur several hours or even several days after drinking the spoiled milk. • In the majority of cases, food poisoning runs its course, and then you go back to normal within a day or two. Spoiled milk is the result of an overgrowth of bacteria that causes changes in taste, smell, and texture. “Typically, if you ingest enough spoiled milk, it can basically take a really, really bad toll on your GI tract,” Dr. Sonpal explains. But as long as milk has been properly refrigerated, it should be still drinkable up to a week past the date label — and maybe up to two weeks, depending on the temperature of your refrigerator. Generally, as long as the milk smells and looks OK, it’s probably still safe to consume.