Warning Signs of Pesticide Poisoning You Should Know

By Blake Jackson

Pesticide exposure can sometimes be mistaken for common illnesses, making it important for farmers, applicators, and gardeners to recognize the warning signs. Many symptoms resemble the flu, which can delay proper diagnosis and treatment.

“Pesticides include chemicals used to control weeds (herbicides), insects (insecticides), rodents (rodenticides) or fungi (fungicides), said Rusty Lee who teaches pesticide courses for University of Missouri Extension. "If the word ends in ‘ide,’ it is likely a pesticide that can poison you if used incorrectly.”

When used according to label directions, most pesticides pose minimal risk. However, improper handling or exposure can lead to poisoning. Lee advises that anyone feeling ill after using pesticides should consider the possibility of exposure.

Symptoms may include headaches, body aches, nausea, or diarrhea, but they can be more severe and last longer than typical flu symptoms. In some cases, effects may appear immediately or be delayed for weeks.

Pesticide poisoning can affect multiple body systems. Neurological symptoms include dizziness, fatigue, confusion, and muscle tremors. Gastrointestinal issues may involve nausea, vomiting, and abdominal cramps.

Respiratory problems can include coughing, breathing difficulty, and chest discomfort, while skin or eye exposure may cause irritation, rashes, or excessive sweating.

Long-term exposure, even at low levels, has been associated with serious health concerns such as cancer, nervous system damage, reproductive issues, and conditions like Parkinson’s disease. Both agricultural workers and home gardeners may be at risk due to residues on plants, soil, or equipment.

If poisoning is suspected, immediate action is critical. Lee recommends bringing the pesticide label not the container to medical providers for proper treatment guidance.

Individuals can also contact the National Poison Center at 1-800-222-1222 for assistance and further instructions.

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