The footballer tweeted just after 6.30pm this evening: "Footy match in the midday sun, not very clever. Now having some tests done.
"Whoever voted for a World Cup in Qatar in the summer?"
According to local newspaper Nice Matin, the BT Sport pundit was airlifted unconscious but in stable condition to the Monaco cardiothoracic center after a heart attack.
Ginola, who last year failed to secure the required support in his bid for the FIFA presidency, also played for Paris Saint-Germain, Newcastle, Aston Villa, and Everton.