New Zealander Antony de Malmanche collapsed in an Indonesian court tonight while reappearing on drug smuggling charges, TVNZ reported.
The Wanganui 52-year-old was stabilised and taken to hospital by ambulance.
Family spokesman James Bellamy told One News tonight that de Malmanche has a pre-existing heart condition.
He said the family is planning to fly to Bali tomorrow.
De Malmanche faces the death penalty after he was arrested allegedly carrying 1.7kg of methamphetamine into Bali last December.