Malgin scored the team's second goal of the night in an eventual 4-3 shootout loss to the Oilers on Thursday.
Malgin is no longer dealing with an upper-body injury, but he won't be in the lineup for Tuesday's game against the Bruins, George Richards of The Athletic reports.
Malgin is day-to-day with an upper-body issue and will miss Monday's matchup with New Jersey, Jameson Olive of the Panthers' official site reports.
Malgin was recalled from AHL Springfield on Wednesday.
Malgin will join Jonathan Huberdeau and Vincent Trocheck on the second line for Saturday's game against the Canucks.
Malgin notched 11 goals and 11 helpers in 51 games during the 2017-18 campaign.
Malgin is "dinged up" and won't play Saturday afternoon against the Bruins, Steve Goldstein of Fox Sports Florida reports.
Malgin failed to put a shot on net and finished with a minus-1 rating in Monday's contest against Ottawa.
Malgin (undisclosed), as expected, will be back in action against the Senators on Monday, Jameson Olive of the Panthers' official site reports.
Malgin is expected to be out for weeks with his undisclosed injury, Matthew DeFranks of the South Florida Sun Sentinel reports.