NSW Health issues warning on high-dose purple shield MDMA tablets causing severe health risks.

A health warning has been issued about high-dose MDMA (ecstasy) tablets, shaped like purple shields and containing 150mg of MDMA, significantly higher than typical doses. Risks include seizures, irregular heart rhythms, and death. NSW Health advises against re-dosing if effects are delayed and warns against combining MDMA with other stimulants, especially in hot environments like music festivals. Individuals feeling unwell should seek medical help immediately.