Drinking spoiled milk can cause digestive distress, such as vomiting, abdominal cramping, and diarrhea. Spoiled milk looks, smells, and tastes bad because of an overgrowth of bacteria. Drinking a sip of spoiled milk wont hurt you, but drinking a moderate or large amount can cause stomach distress. The bacteria found in spoiled milk can cause food poisoning, which can lead to uncomfortable digestive symptoms. The symptoms can occur several hours or even several days after drinking spoiled milk. If you accidentally ingest a small sip of spoiled milk, you dont need to worry, but avoid drinking it in moderate or large quantities. If you experience any symptoms, such as vomiting, stomach cramps, and diarrhea, its best to reach out to your doctor.

In summary, drinking spoiled milk can cause food poisoning and digestive distress, so its best to avoid it. If you accidentally ingest a small sip of spoiled milk, you dont need to worry, but avoid drinking it in moderate or large quantities.