Updated

Teething medicine laced with antifreeze is being blamed for killing at least 34 children in Nigeria.

Nigeria’s National Agency for Food and Drug Administration and Control said it seized more than 5,000 batches of the contaminated mixture, United Press International reported.

The agency said it shut down the drug maker, the agency that supplied the chemicals and arrested a sales representative related to the case.

Tests showed 90 percent of the teething mixture contained the chemical diethylene glycol, a sweet-tasting poisonous substance normally used in engine coolant, UPI reported.

The poison triggered kidney failurein the children, ranging in age from 4 months to 3 years, the agency said.

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