Why Aamir felt giddy shooting 'Dhoom 3' track?

Aamir Khan recently discovered he suffers from vertigo and was on constant medication during the shoot of a high-flying song

While shooting for the Malang track in Dhoom 3, Aamir Khan had to be put on medication to control bouts of nausea. The song was shot at a height of 80 feet and the star had to keep moving mid-air. The constant twirling at such a height made him feel giddy.

Says a source, `It took the team about 15 days to complete the shoot and Aamir was on medication throughout.`Aamir essays a gymnast in Vijay Krishna Acharya's film and he offered to do the aerial shots himself. Adds the source, `The makers also had a doctor, who works with gymnasts, to be on the sets to help Aamir.`