Hunger and hot weather are believed to have triggered her symptoms.
The driver tried to flee, but was quickly apprehended.
If convicted, he faces up to three years' jail and/or a fine of up to RM1 million (S$321,000).
All 17 Nepalese arrested so far were found to have overstayed in Singapore after the expiry of their visit passes.
No foul play is suspected, the police said.
A third person was assessed for minor injuries but declined to be sent to the hospital.
Any chance you came across a politician on the public transport this week?
Malaysia PM Anwar Ibrahim is keen to maintain friendships with neighbouring countries while "taking a firm stand" on the matter.
The young teen is excelling in school and dreams of becoming a nurse one day.
Transport support is provided till June, but transport fares may still rise if fuel prices remain elevated thereafter.