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15-year-old ᴅᴇᴀᴅ after dangerous ‘Benadryl challenge’ left her ‘brain ᴅᴇᴀᴅ,’ heartbroken father reveals

Posted by hoangduc - July 3, 2026

The heartbroken father of a 15-year-old left “brain ᴅᴇᴀᴅ” after taking part in a dangerous social media “challenge” has revealed his teenage daughter has now died from her injuries.

Leah Presson, 15, was left with “zero brain activity” after participating in the so-called “Benadryl challenge”, a viral contest sweeping the US that medical experts warn can quickly spiral into life-threatening territory.

The challenge, which sees people consume the allergy medication in dangerously high doses in order to cause a high with hallucinations, first emerged in 2020 – but has been steadily gaining momentum again in recent weeks.

A hospitalized young woman with medical tubes and a ventilator, alongside a white plush fox toy, a tablet displaying videos, and a purple leopard print blanket.
Leah Presson, 15, was left with “zero brain activity” after participating in the so-called “Benadryl challenge”.
A headsH๏τ of Leah Presson, a young woman with long reddish-brown hair, looking down with a serious expression.
Leah had been “fighting for life” after she began experiencing seizures directly after ingesting the medication, which is sold over the counter to those aged 18+ in America.
The father of 15-year-old Leah Presson, who died after participating in the "Benadryl challenge".
The heartbroken father of 15-year-old Leah Presson, who died after participating in the “Benadryl challenge” speaking out.

But her father, Richard Presson, has since confirmed the teen has pᴀssed away, despite the family clinging to hope when she was “pronounced brain ᴅᴇᴀᴅ” on June 14.

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The heartbroken father of a 15-year-old left “brain ᴅᴇᴀᴅ” after taking part in a dangerous social media “challenge” has revealed his teenage daughter has now died from…

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