Diego Maradona said he was “fine” after being seen by a doctor during the team’s World Cup victory over Nigeria on Tuesday.
Maradona posted a picture on social media showing medical staff with him at half-time of the 2-1 victory, but denied he had been taken to hospital.
The 57-year-old, who captained Argentina to World Cup victory in 1986, said his “neck hurt a lot” but denied being taken to hospital.
“I want to tell everyone that I am fine,” his Instagram post read.
“I was checked by a doctor and he recommended me to go home before the second half, but I wanted to stay because we were risking it all. How could I leave?”
Argentina’s victory meant they reached the last 16, where they will face France on Saturday.
According a video posted online, Maradona was seen struggling to get up from his seat at full-time but he later boarded a flight back to Moscow.
Diego Maradona was in tears when Nigeria equalize Argentina goal to make it 1-1, which would have resulted in Argentina’s elimination.
Marcos Rojo scored the team’s late winner, while Maradon was seen giving one-fingered gestures which has caused controversies on social media.
Maradona played 91 times for Argentina, he has 34 goals to his name, and later managed the national team.