"(The doctor's) eyes got real big and she kind of jumped back," Sechrist said. "She'd never seen anything like it."
KWTV reported that Sechrist was told she had third-degree burns.
Third-degree burns are the most severe. Sechrist said she was given antibiotics and pain medication.
"Everybody needs to watch for coins on their seats because it does burn," Sechrist told KWTV. "I would hate to see a child with these kind of burns on their legs," she said.