A second Australian woman has died after drinking a cocktail allegedly containing methanol at a hostel in Laos, taking the death toll to six. A second Australian woman has now died in a suspected mass methanol poisoning event while travelling Laos.

An Australian teenager has become the sixth foreign tourist to die in a suspected mass methanol poisoning in Laos, as a growing list of countries warned of the potentially fatal consequences of drinking tainted alcohol in the Southeast Asian country.

A second Australian woman hospitalised after drinking contaminated alcohol in a popular tourist town in Laos has died, the government said on Friday, the sixth fatality from suspected methanol poisoning.