Multiple realities
(covers information from several alternate timelines)
Jackson Keene with plasma burns

Captain Keene with plasma burns

A plasma burn was an often-serious burn caused by exposure of plasma to the skin. Such burns could often be treated by a dermal regenerator.

In 2129, a Kantare supply ship crash landed on a planet due to leaking plasma burning through the hull. (ENT: "Oasis")

Captain Jackson Keene suffered from plasma burns following an attack by Nausicaan pirates in August of 2151. He went unconscious and was treated by Doctor Phlox. (ENT: "Fortunate Son")

In 2152, T'Pol claimed to a group of Mazarites that V'Lar was suffering from plasma burns and neurological trauma, when in fact she was not. (ENT: "Fallen Hero")

Later that year, a group of Klingon pirates were unable to steal deuterium after an elaborate ploy threatened them with serious plasma burns. (ENT: "Marauders")

After "Pup" compromised Deep Space 9's computer in late 2369, a plasma fire began on the station. Kira Nerys had Lieutenant Jones obtain items to treat the people with plasma burns. (DS9: "The Forsaken")

Tumak was suffering from a plasma burn when the Skrreea arrived on Deep Space 9 in 2370. He and Haneek were reluctant to have Julian Bashir treat the wound, but Kira Nerys assured them he would not hurt the boy. (DS9: "Sanctuary")

In an alternate reality, in 2370, Geordi La Forge of the USS Enterprise-D was seriously wounded from a plasma burn after Worf failed to raise the shields in an attack from a Cardassian ship. (TNG: "Parallels")

Frank Darwin of the USS Voyager suffered third-degree plasma burns to ninety-eight percent of his body after being murdered by Lon Suder. (VOY: "Meld")

Later that year, a crewman on Voyager suffered from a second-degree plasma burn on his face and neck, after the ship was damaged by proton bursts. The Doctor ordered Kes to treat him with dermaline gel. (VOY: "Deadlock")

Julian Bashir suffered plasma burns to an arm and shoulder during a Klingon attack on Ajilon Prime in 2373. Also on Ajilon Prime, an ensign had a phaser burn on his foot after shooting himself so he would be removed from the battlefield with the Klingons. (DS9: "Nor the Battle to the Strong")

Later, Neelix received third-degree plasma burns and a moderate concussion after a plasma explosion occurred at a space station in the Nekrit Expanse. (VOY: "Fair Trade")

Shortly after, Klingon officer Japar received plasma burns after a brutal fight with the Dominion, but according to the Changeling impersonating Dr. Bashir, who treated him, they weren't as bad as they looked. (DS9: "By Inferno's Light")

Kathryn Janeway received plasma burns while on a Borg cube in 2374, after being hit by an electrical discharge. (VOY: "Scorpion, Part II")

Later that year, Benjamin Sisko suffered plasma burns during the destruction of the USS Honshu. (DS9: "Waltz")

Seven with plasma burns

Seven with fake plasma burns

In 2375, Neelix created a fake plasma burn on Seven of Nine. Janeway claimed Seven had third-degree plasma burns to try and deceive a series 5 long-range tactical armor unit who had suppressed The Doctor's programming and taken control of his holomatrix. (VOY: "Warhead")

Later that year, Tuvok received plasma burns to his face after his shuttle was attacked by Penk. (VOY: "Tsunkatse")

In 2378, Tom Paris, assuming the role of an EMH in The Doctor's holoprogram Photons Be Free, scanned an injured crewman on the USS Vortex and announced he had second-degree plasma burns. (VOY: "Author, Author")

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