At first, Harry adamantly refused to let Severus Snape help him.
After all, they hated each other. Letting Snape see him in such a miserable state would be almost as mentally devastating to Harry as being seen by Draco Malfoy.
To that end, he made the other young wizards swear not to tell anyone—if Lucius Malfoy found out about this, Harry felt he would never want to attend Hogwarts again.
But Professor Murphy said his expertise with antidotes was inferior to Snape's, and he was incapable of undoing such a transformation. Harry faced a choice: either let Snape help him, or live as a girl.
Weighing the lesser of two evils, he reluctantly agreed in the end.
When Snape arrived, Murphy was there as well. There was technically nothing left for him to do, but he simply could not resist seeing Snape's reaction.
That was bound to be a legendary sight.
"Why are you here?" Snape spotted Murphy the moment he entered and instinctively wanted to avoid him.
"My student took the wrong potion. Of course I had to come take a look," Murphy said.
"Then why did you call me here?"
"I can't undo this potion's effects," Murphy said.
"There are potions even you can't undo?" Snape was still sneering.
But Murphy did not take the bait. "Cho Chang and the others added rainbow trout roe to Polyjuice Potion and created a new potion."
As he spoke, Murphy pushed open the door for Snape. "Harry accidentally drank it, so..."
"You see, I think you're the only one who can cure him now."
Snape saw Harry on the hospital bed, and his pupils instantly contracted.
This... Lily!?
Harry was hospitalized. After seeing him once, Snape did not dare return to the hospital wing, but he told Madam Pomfrey that