Milkshake Sour, Causes Illness - Sonic, Bel Air Maryland

1921 Emmorton Road, Bel Air, 21015 Maryland, United States

Tonight, vanilla milkshake My son had a milkshake & fries, my 2nd son and I had fries and tots but ended up heating up in microwave before eating any. My son fell asleep 2-3 hours after eating, he woke up with a stomachache and a slight sore throat at 11 pm, drank some water and around 11:30pm he vomited a lot! Looked like milkshake chunky and smelled of sour milk. I smelled the milkshake left over and it smelled odd /off maybe slight ferment . | Symptoms: Sore Throat, Nausea, Vomiting, Stomach Pain, Soreness