Bendigo Community Health Services is warning of the current risks associated with some batches of commercially available poppy seeds.

There has been an increasing number of people presenting to Victorian hospital emergency departments in recent days, after brewing poppy seed tea.

Some brews have resulted in severe cases of toxicity, and in at least one case cardiac arrest.

More than 19 people have been hospitalised in Australia since November 9.

The Victorian Department of Health has advised there may be a contaminant in readily available, supermarket poppy seeds that is causing this reaction.

It is possible poppy seeds currently available may have a much higher thebaine content (an opioid alkaloid), however other causes have not been excluded and remain under investigation.

Someone brewing poppy seeds will not be able to differentiate between the thebaine and non-thebaine seed.

Those consuming poppy seed tea brewed with high volumes of poppy seeds – between 120 grams and one kilogram - are at highest risk.

The department advises poppy seed tea drinkers should note any unusual dark brown colour and bitter taste in the wash/tea after brewing may indicate unusual toxicity.

Seek medical attention immediately if you experience any toxic effects following poppy seed consumption.

For help:

Contact the BCHS Alcohol and Drug Team for more information on how to stay safe – 5406 1200.