Snape nodded. "Perhaps those symptoms are connected." He stored that thought for future reference.
The mental image of Draco doing cartwheels was so unexpected and so absurd it shocked a brief huff of a laugh from Snape. "Exceedingly undignified," he agreed, amusement clear in his voice even after he'd got his expression back under control.
"If I need such assistance," he assured Scorpius, "I'll let you know."
He was genuinely touched that any of the notoriously work-averse Malfoys would make him such an offer, but he knew that it would be the height of folly for him to actually take Scorpius up on the offer. There was no telling whether close contact with raw ingredients might contaminate them with a stray emanation from the already erratically acting curse.
He fingered the phial in his pocket. "Unfortunately I still need to examine and dose the others this morning. I shall see you later." And with a final nod, he left his most agreeable patient, and went in search of the others.