The person will be poisoned in 1-3 hours.

If the patient is in good physical condition and consumes a small amount, poisoning will not occur. If the patient is in poor physical condition and consumes a large amount, poisoning will occur within 1-3 hours. In severe cases, the patient's life may be endangered.

After eating bad cantaloupe, patients will experience gastrointestinal discomfort symptoms such as vomiting, abdominal pain, diarrhea, and other discomfort symptoms such as dizziness and headache.