It obviously made things even more confusing, but at least Remus knew Harry knew-- knew he was a wizard, a werewolf. He didn't need to hide anything actively from him.

However there were some things Harry was okay with him hiding.

"Just... hold on," he muttered, dashing off down the hall. He came back all of two seconds later, having stripped a sheet off of one of the clinic beds, no doubt to the utter bewilderment of the man on duty. Harry did not think to give him a heads up.

Harry placed Remus' arm around his shoulders, then wrapped the sheet about his waist like a skirt.

"The clinic's not far," he said. "Just through that door. And we can get you into a bed."