68-year-old Yeddyurappa is now Karnataka Chief Minister B S Yeddyurappa,l.
According to sources, he had high blood pressure and vomited a couple of times, which prompted the jail authorities to rush him to hospital.
Yeddyurappa, against whom an arrest warrant was issued in connection with cases regarding alleged irregularities in denotification of government lands, surrendered before the Lokayukta Court in Bangalore on Saturday.
Earlier, the special Lokayukta Court rejected the anticipatory bail and issued an arrest warrant against him.
The court also denied bail to Yeddyurappa's former ministerial colleague S N Krisnaiah Setty, but gave relief to 14 other accused including the former Chief Minister's sons B Y Raghavendra, Lok Sabha MP and B Y Vijayendra, and son-in-law Sohan Kumar.
Former Lokayukta Santosh Hegde's independent inquiry into mining graft in Karnataka, accused Yeddyurappa and other key officials for causing a loss of at least 160 billion rupees to the state exchequer between 2006 and 2010 from illegal mining and a series of abuses.
Yeddyurappa tendered his resignation on July 31 to Governor Hansraj Bhardwaj, following allegations of corruption, that was later accepted.
