The 57-year-old actor-director, who was in town shooting for his new TV series "Catch-22", was briefly hospitalised and has now been discharged.
He was taken to a nearby hospital in an ambulance, where he underwent an MRI scan and was later discharged.
According to Italian newspaper, La Nuova Sardegna, the actor was on his way to a film set when the incident took place.
Clooney has been in Sardinia for several weeks for "Catch-22" shooting.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)