Alistair quickly reached into his magic pouch, opened the drawstring, and cried, "Pain relief potion, come!"
A bottle of potion flew out of the pouch. He uncorked the bottle, supported Snape's shoulders, and held it to his lips. "Severus, drink this."
Snape opened his lips with a shudder and swallowed the pain relief potion in one gulp, which finally made his spasms gradually subside.
Chapter 476