At the next meet in 2011, Lim captured two more gold medals in Palembang, Indonesia, in the 4x100m and the 4x200m freestyle relay events.

In the 4x100m freestyle relay, Lim swam the third leg in 49.81s to help his team, which consisted of Joseph Schooling, Danny Yeo and Quah Zheng Wen, finish the race in 3:19.59s.

Together with Quah Zheng Wen, Lionel Khoo and Joseph Schooling, Lim then swam the freestyle final leg of the 4x100m medley in 49.61s to complete the race in 3:38.25s.

The genetic disease caused inflammation of his spinal joints and gave him perpetual stiff and sore back.

[3] As a result of his condition, Lim has to rely on drugs approved by sports medical body to cope with the pain.