Oklahoma City

Anadarko Dad Says Viral ‘Benadryl Challenge’ Took His 11-Year-Old Girl

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Published on May 14, 2026
Anadarko Dad Says Viral ‘Benadryl Challenge’ Took His 11-Year-Old GirlSource: Wikipedia/Paolo Costa Baldi, CC BY-SA 3.0, via Wikimedia Commons

An Anadarko father is mourning his 11-year-old daughter and sounding the alarm about what he believes is a deadly online trend hiding in plain sight on kids’ phones and bedroom shelves.

Mason Miller says his daughter, Molly Grace Miller, died on May 10 after what the family fears may have involved the so-called “Benadryl challenge.” He told reporters he found Molly unresponsive at home and immediately began CPR. Now, as the family grieves, they are urging other parents to keep a closer eye on what children are watching online and to lock up medications that might seem harmless at first glance.

An obituary from Ray & Martha's Funeral Home confirms Molly Grace Miller’s death and notes that her funeral was held May 13 in Anadarko. The obituary lists her parents as Mason and Megan Miller and asks for privacy while the family navigates an unimaginable loss.

Family’s Warning

Speaking with News 9, Mason Miller described Molly as “full of joy” and said he discovered her unresponsive before starting CPR. The family believes her death could be tied to intentional misuse of medication or participation in the online Benadryl challenge.

Miller told News 9 that parents need to know what their kids are scrolling through, to talk openly about emotional struggles, and to treat medicine cabinets with the same caution as other household dangers.

Why Benadryl Can Be Deadly

Health experts stress that diphenhydramine, the active ingredient in Benadryl, is not harmless in high doses. Large amounts can cause hallucinations, seizures, dangerous heart rhythms, coma or death.

The U.S. Food and Drug Administration has issued a drug safety communication warning that high doses of diphenhydramine can trigger serious heart problems, seizures, coma or death. The agency advises immediate medical attention or a call to poison control at 1-800-222-1222 if an overdose is suspected, and notes that clinicians have encountered cases tied to the “Benadryl challenge” among teens.

Poison Center Response

The Oklahoma Poison Center, a program of the University of Oklahoma College of Pharmacy, has been tracking and responding to the trend.

Kristie Edelen, the center’s managing director, told News 9 that the center has received 309 Benadryl overdose calls this year, including 189 intentional exposures. She warned that diphenhydramine is easy to get, often sold in large quantities, and can be especially dangerous when misused. Edelen also reminded the public that the center is available around the clock at 1-800-222-1222.

How Parents Can Protect Kids

Poison specialists and pediatricians advise parents to lock up medications, keep track of how many pills are in the house and keep honest, ongoing conversations with kids about viral challenges and risky dares.

If a child seems disoriented, has seizures or is unresponsive after taking any medication, experts say to call poison control at 1-800-222-1222 or seek emergency care immediately. Quick action can save a life.

Molly’s death has reopened tough questions about how quickly dangerous online challenges can resurface and how families and schools can spot them before tragedy strikes. The Miller family has asked for privacy as they grieve, and Mason Miller says his hope now is that other parents will take the warning seriously, check their kids’ social feeds and take a hard look at what is sitting in their medicine cabinets.