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Barry Keoghan Says He Nearly Died From Necrotizing Fasciitis Before ‘The Banshees of Inisherin’

Barry Keoghan described developing necrotizing fasciitis in his arm before filming The Banshees of Inisherin, including surgery and a warning that he could die.
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Barry Keoghan said he developed necrotizing fasciitis in his arm shortly before filming The Banshees of Inisherin. He described surgery and the possibility of losing his arm; later interview coverage reported that doctors warned he could die. He survived and went on to make the film. Those details come from his public accounts and reporting about them, not from released medical records.

What happened to Barry Keoghan?

In a 2022 Vanity Fair interview, Keoghan said, “I got some sort of an infection in my arm, Necrotizing Fasciitis.” He said the illness was severe enough to raise the question of whether he could do the film. The interview places the episode shortly before filming The Banshees of Inisherin. Vanity Fair’s 2022 interview

A January 2024 report by The Independent, summarizing a GQ interview, said doctors warned Keoghan that he might need an arm amputation and could die. The report dates the episode to 2021, before production began. The Independent’s report

In a November 2024 Louis Theroux Podcast transcript, Keoghan described blisters, surgery, and the possibility of amputation. He said doctors initially could not identify exactly what the condition was and warned him about the possibility of death. The podcast transcript

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What is necrotizing fasciitis?

The Centers for Disease Control and Prevention (CDC) calls it “a rare, but serious bacterial infection.” It can progress quickly and become life-threatening. Although it is often nicknamed “flesh-eating bacteria,” that phrase is not the name of one specific germ: several kinds of bacteria can cause the disease. CDC: About Necrotizing Fasciitis CDC clinical guidance

The public accounts of Keoghan’s illness reviewed here do not identify the bacterium responsible or establish how the infection entered his body. General information about possible causes cannot determine the cause of an individual case.

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What symptoms require urgent attention?

CDC lists rapidly spreading red, warm, or swollen skin, fever, and severe pain among possible early symptoms. Pain can be worse than the appearance of the affected area might suggest. These symptoms can also occur with other illnesses, so they are not a way to diagnose necrotizing fasciitis at home. CDC advises seeking immediate medical attention for concerning symptoms, particularly after an injury or surgery. CDC symptom and safety guidance

How is necrotizing fasciitis treated?

Suspected necrotizing fasciitis requires hospital care. CDC describes treatment as antibiotics and surgery; removing dead tissue is often necessary, and a patient may need more than one operation. It is an emergency, not a condition to manage with home remedies or consumer wound-care products. CDC treatment overview CDC clinical guidance

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How serious is the infection?

In its August 7, 2025 overview, the CDC says, “Even with treatment, up to 1 in 5 people died from the infection.” That is a general population-level figure, not an estimate of Keoghan’s personal risk or evidence of his clinical prognosis. His public accounts establish that doctors discussed the possibility of death; they do not provide a full medical record.

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