The Indonesian government is being urged to crack down on bars selling spiked alcoholic drinks and to make them accountable for the deaths of more than a dozen tourists.
A teenager was the latest to die after consuming a drink laced with methanol on the island of Lombok over New Year.
The Lombok Hotel Association says using methanol to make cheap drinks is a serious problem in Indonesia, responsible for 25 deaths in the past decade.
The New Zealand Ministry of Foreign Affairs has warned travellers that arak, a distilled palm wine used in cocktails, can contain methanol.
A toxicologist at the National Poisons Centre says even drinking a small amount of methanol can cause blindness or death.
Dr Leo Schep said people won't know it has been mixed into a cocktail, as it has no taste.
