As people in areas affected by Hurricane Harvey begin to return to their flooded homes, many will face mold problems. The chemicals used to kill the mold can, for some people, present as big a health challenge as the mold itself.
Environmental medicine researcher Claudia Miller, M.D., M.S., of the Long School of Medicine at UT Health San Antonio, says physicians in affected states need to know what to do for patients in the storm’s aftermath. Over the coming months, millions will be facing mold exposure, and it’s important for health care providers to know the signs and symptoms.
Mold exposure is associated with three types of health problems, Dr. Miller said. These are allergy, toxicity and toxicant-induced loss of tolerance (TILT).
“These are challenges for any doctor — mold health effects are not something most doctors learn about in their medical training,” Dr. Miller says. “They need be able to access our website, TILTResearch.org, and mold information on the U.S. Environmental Protection Agency and National Institutes of Health websites, as well as the Quick Environmental Exposure and Sensitivity Inventory (QEESI), which is free at TILTResearch.org.
“Of course there are many immediate hazards like infections, snake bites, fire ants and alligators, puncture wounds and cuts,” Dr. Miller says. “These are most important and doctors are skilled at diagnosing them. But there are also petrochemicals contaminating the water around oil refineries, pesticides, agricultural runoff, and cleaning chemicals that will be applied, often with insufficient personal protection in enclosed hot, moldy, unventilated spaces.
“Ill effects of these chemicals and mold can occur simultaneously or subsequent to exposure. TILT occurs in more-susceptible persons whom doctors can identify using the QEESI instrument,” she continued. “TILT can arise within days or weeks of a pesticide or other petrochemical exposure. Molds themselves emit volatile organic chemicals (mold VOCs) and can be toxic and allergenic. Doctors need this information.”
TILT symptoms are typically multi-system, involving brain, skin, lungs and other organs, and often include cognitive and mood difficulties. Treatment requires exposure avoidance.
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