Sweden midfielder Kristoffer Olsson has been positioned on a ventilator in hospital after dropping consciousness at dwelling.
Midtjylland mentioned the ex-Arsenal participant, 28, is “affected by what seems to be an acute brain-related sickness”.
The Danish membership introduced he was taken to Aarhus College Hospital on 20 February.
Midtjylland mentioned they felt “compelled” to launch an replace because of “growing rumours and hypothesis about Kristoffer Olsson’s current absence”.
“Everybody in FC Midtjylland is after all deeply affected by Kristoffer’s sudden sickness,” the membership mentioned in a press release on Tuesday.
“Kristoffer Olsson is affected by what seems to be an acute brain-related sickness, which is neither because of self-inflicted hurt of any type nor because of exterior elements.
“A staff of main Danish medical consultants are at the moment working beneath stress to make a prognosis and provoke the proper therapy.”
Olsson got here via Arsenal’s youth academy and made one look for the Gunners earlier than he joined Midtjylland completely halfway via the 2014-15 Premier League season.
Arsenal mentioned on X, previously generally known as Twitter: “Get properly quickly, Kristoffer. We want you a full and speedy restoration.”
Olsson, who has made 47 senior appearances for Sweden, has had spells at Swedish aspect AIK, Krasnodar in Russia and Anderlecht in Belgium between two stints with Midtjylland.
“Preserve preventing Koffe!” the Swedish soccer affiliation mentioned on X, previously generally known as Twitter. “The whole Swedish soccer household are considering of you and hope you quickly get well. Our ideas additionally go to Kristoffer’s family members at this tough time.”
Olsson has missed Midtjylland’s two most up-to-date Danish Superliga matches and final featured for the membership towards Fredrikstad within the Atlantic Cup on 9 February.
“Since being admitted, Kristoffer has been surrounded by his instant household and FC Midtjylland workers members, in addition to specialists within the subject,” the membership added.
“FC Midtjylland urges the general public to indicate respect and understanding so Kristoffer, his household and docs are allowed the peace of thoughts to make sure Kristoffer will get higher and recovers as efficiently as doable.”