Sonic Atomic Lemon Ice Cream Slushs contain between 450-1340 calories, depending on your choice of size. The size with the fewest calories is the Mini Atomic Lemon Ice Cream Slush (450 calories), while the Large Atomic Lemon Ice Cream Slush contains the most calories (1340 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.
