The football legend was taken to a hospital in La Plata - about an hour and half drive away from the capital Buenas Aires.
However, Coronavirus has been ruled out as a possible cause.
There has yet to be any comment made by the Ipensa Hospital, where he is believed to be have been admitted to.
Maradona, who is the manager of Gimnasia, was in attendance to coach his side against Patronato on Friday when he turned 60.
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But the 1986 World Cup winner left the match with some difficulty and had to be helped out of the ground.
His daughter Gianinna responded to a fanmade video of the incident, saying: "It tears my soul apart.”
Maradona will be monitored over the next 24 hours in hospital, the same one he attended for check-ups in September.
At the time, he thanked staff on Instagram in a heartfelt message.
It was last November when the Argentinian had to deny claims that he was dying after his daughter hinted that sedatives were taking a toll on him.
In a video message from his home, he said: “I want to tell you that I’m not dying at all, that I sleep peacefully because I’m working.
“I don’t know what she meant to say or what she had interpreted.
“What I do know is that as you get older, people worry more about what you’re going to leave than what you’re doing.
“I tell you all that I’m not going to leave anything, that I am going to donate it. I’m not going to give away everything I earned by running during my life, I’m going to donate it.”