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Overlooked for decades, mast cells may explain many mysterious environmental illnesses

December 9, 2021

A newly published paper provides a long-sought link between environmental exposures and conditions like Gulf War syndrome, breast implant illness, chemical intolerance and possibly even long-haul COVID-19. This discovery represents a major step toward improved diagnosis, treatment and prevention.




Telemundo 60: Demand for a drug for cattle taken against COVID-19 is skyrocketing, although there is no evidence of its effectiveness

August 31, 2021

Dr. Shawn Varney, Emergency Medicine, South Texas Poison Center, is quoted in this Telemundo story about the dramatic increase seen in Texans taking the anti-parasitic drug ivermectin to treat COVID-19 and the symptoms people can have from ingesting it. Watch here


Texas Public Radio: Hundreds of Texans are ingesting livestock dewormer to prevent COVID-19, against FDA advice

August 30, 2021

Dr. Shawn Varney, Emergency Medicine, South Texas Poison Center, is quoted in this Texas Public Radio article about the demand for the drug ivermectin to prevent or treat COVID-19 despite no evidence that it works. Read story


KSAT 12: Texans are calling poison control in record numbers after ingesting horse and cow dewormer

August 30, 2021

Dr. Shawn Varney, Emergency Medicine, South Texas Poison Center, is quoted in this KSAT 12 article about the demand for the drug ivermectin to prevent or treat COVID-19 despite no evidence that it works. Read story


The New York Times: Demand surges for deworming drug for Covid, despite no evidence it works

August 30, 2021

Dr. Shawn Varney, Emergency Medicine, South Texas Poison Center, is quoted in this New York Times article about the demand for the drug ivermectin to prevent or treat COVID-19 despite no evidence that it works. Read story


San Antonio Express-News: Texans are using cow dewormer to treat COVID. Poison calls have skyrocketed.

August 30, 2021

Dr. Shawn Varney, Emergency Medicine, South Texas Poison Center, is quoted in this San Antonio Express-News story on the dramatic increase seen in Texans taking the anti-parasitic drug ivermectin to treat COVID-19 and the symptoms people can have from ingesting it. Read story  


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