Well, it was a good thing that Steve felt at least a bit more relieved about it -- of course, money was never an issue with Tony, but it had been a bit of hell trying to locate these medicines the last time. Resources were worth more than money these days -- but that simply wasn't something Tony was going to worry Steve about. That'd be a cruel thing to do to a kid, and Tony would make this as easy on him as possible.
He passed over an inhaler, one that'd been stashed away in the back of the medicine cabinet and then pulled out all the rest. Steve was allergic to everything. It was ridiculous, but at least there was a shot that helped with it.
"Wh-- oh." Tony said, a little surprised. "That's my-- it's an arc reactor," he said, because there was no point in lying. Steve could sniff those out from miles away. He pulled the collar of his shirt down enough to offer a peek of metal and glowing blue. "I built it and it keeps me alive."