Seven Louisiana fishermen were treated Wednesday night at West Jefferson Medical Center in Marrero after reporting medical problems believed to be the result of exposure to either the chemical dispersants being used to to break up the leaking oil or the oil itself.

Five of the fishermen have been identified by ABC News as Scott St. Pierre, Allen Sharpensha, Murry Gaspard, Lil Murry Gaspard and Clint Guidry. The names of the other two fishermen have not been released.

The Unified Command has confirmed that crew members of a boat working with the 'Vessels of Opportunity' program, which involves local fishermen in the oil spill cleanup process, were feeling ill. "One individual was medevaced by air to West Jefferson Hospital in Marrero, La., another was transported to the same facility via boat, and two were transported via ambulance," according to a Unified Command news release. The news release only mentions the four individuals, even though ABC26 News has confirmed with West Jefferson Medical Center officials that seven men are being treated with non-critical ailments.

Their symptoms include breathing issues, dissiness and headaches, which were reported at about 3:30 p.m. Wednesday afternoon.

"As a precautionary measure, the Unified Command directed all 125 of the commercial vessels that had been outfitted with equipment for oil recovery operations in the Breton Sound area, to return to their temporary accommodations in Breton Sound where medical personnel were being dispatched to evaluate the remaining crewmembers as an additional precaution," according to Unified Command.

"No other personnel are reporting symptoms, but we are taking this action as an extreme safeguard," said Coast Guard Chief Petty Officer Robinson Cox, the assistant safety officer at Incident Command Post Houma.

The Coast Guard, the Occupational Safety and Health Administration, the Environmental Protection Agency, and safety officers from BP are investigating the incident.