The sole breadwinner of a family of five is about 8 million baht ($236,000) in debt and has no cash savings.
In February, it said that household debt levels should be brought down from 86.9% of GDP at the end of 2022 to below 80% to help reduce financial risks.
Political parties' extravagant election promises could increase the macro-economic risks posed by debt, analysts say.
"There was no warning," said Achin Chunglog, president of a nationwide group of volunteers that helps people struggling with debt.
In the rural hinterland, 90% of farm households have outstanding loans, according to a March study that described a "vicious cycle of debt".