Felipe Massa is set to race in this weekend's Belgian Formula 1 Grand Prix after sitting out Hungary due to illness.
The Williams driver experienced illness and dizziness during Friday practice at the Hungaroring and withdraw from the round, replaced by the team's reserve driver Paul di Resta from qualifying.
Massa also missed the test which followed the Hungary race as he flew home to recover.
According to reports in Autosport, the Brazilian suffered an inner ear issue.
Following a series of thorough medical checks, he has been given the all clear for Spa by his doctors.
Massa, who continued training over the summer, then informed the team that he was ready to get back in the car for this weekend's race.
To compete at Spa, Massa required approval by the FIA medical delegate, as is standard procedure having missed the previous race.
That approval was given, following a test in the Belgian GP paddock early on Thursday afternoon.
Should Massa suffer a recurrence of the illness that he encountered in Hungary when he drives the car on Friday, di Resta will be drafted in.