Melbourne teen Bianca Jones has died in hospital after drinking poisoned alcohol on the trip of a lifetime with her best friend in Laos.

Some suspect they consumed drinks laced with methanol, a deadly substance often found in bootleg alcohol.

Melbourne teen Bianca Jones has died in a Thai hospital after a suspected methanol poisoning incident.

New Zealand's Foreign Ministry announced that one of its citizens in Laos is unwell and may be a victim of methanol poisoning. Meanwhile, Denmark's Foreign Ministry confirmed that two Danish citizens had died in Laos but declined to share additional details.

Tragedy strikes in Laos as tainted alcohol claims lives of Australian and American tourists, sparking international concern.

The 28-year-old lawyer becomes the fifth person to die from suspected methanol poisoning.

“This is every parent’s very worst fear and a nightmare that no one should have to endure,” Australian Prime Minister Anthony Albanese after the death of 19-year-old Bianca Jones.