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Dead Grass Raises DEET Safety Question

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Q. A few months ago, I sprayed insect repellent containing DEET on my legs to keep mosquitoes away. Then I lay down on the grass on my stomach to pull weeds out of my pond. Two days later the grass where my legs had been was dead. None of the other grass was.

If this product kills grass, what does it do to skin?

A. DEET was developed for the U.S. Army and has been used by the public for more than 50 years. Skin irritation has been reported as the most common side effect. There have been some reports of neurological side effects, including seizures, particularly at high concentrations.

DEET is the most effective mosquito repellent on the market. There are some effective alternatives, however. They include picaridin (Avon Skin So Soft Bug Guard, Cutter Advanced, Off Family Care Clean Feel) and oil of lemon eucalyptus (Repel Lemon Eucalyptus).

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My granddaughter is 13 years old. When she was an infant, approx. 3 mos. old, she had a parasite under her skin. The doctor prescribed a product with DEET to get rid of the parasites. It was a year before doctors were told not to use DEET on children under 2 years of age I think.

Anyhow, she began to have seizures, sometimes severe. She almost died once. She was hospitalized sometimes. Since then she has been diagnosed as having one extra X chromosome, and she is in special education classes. Her emotions are very erratic, and she will go from laughing to strong anger very quickly.

I wonder if the DEET caused it or if she was just born that way. She is in special education in school, but she can read. I wonder if there is anything that can make her better. Please let me know if you have any ideas.

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