Fielder had said he didn't "remember" his delayed reaction after reliever Guillermo Mota, a former teammate, hit him with two outs in the ninth inning of the 17-4 Dodgers win, presumably as payback for Chris Smith grazing Manny Ramirez with a pitch two innings earlier.
"I don't feel I overreacted [to being thrown at], but I feel like my actions probably weren't the best," Fielder said, according to the Milwaukee Journal-Sentinel. "I know there are better ways of handling it. I've learned from it."
Fielder and Mota were fined undisclosed amounts Thursday by Major League Baseball and won't face suspensions.
"If I had it to do over again, I would have acted differently," Fielder said Friday. "But it happened and it's over with and I'm ready to play baseball."
After the Tuesday night game, Fielder charged across a hallway toward the Dodgers' clubhouse but was restrained by teammates and security.
Prince, this year's All-Star home run derby champion, has been hit by eight pitches this season and 46 during his five-year major league career.
"I think he was just trying to come inside and it got away from him," Fielder said Wednesday. "He was trying to hit his spot. I wish he hit his spot, but it just missed. All that other stuff is out of my control."
Information from The Associated Press was used in this report.