Former Prime Minister Manmohan Singh is stable and under observation at the AIIMS here after suffering reaction to a new medication

New Delhi: Former Prime Minister Manmohan Singh is stable and under observation at the AIIMS here after suffering reaction to a new medication and developing fever, hospital sources said on Monday.

Manmohan SinghThe 87-year-old Congress leader was admitted to the hospital on Sunday evening after he complained of uneasiness.

The sources said that Singh had developed a reaction to a new medication and further investigation is being carried on him to rule out other causes of fever.

"Dr Manmohan Singh was admitted for observation and investigation after he developed a febrile reaction to a new medication," the sources said.

Manmohan Singh"He is being investigated to rule out other causes of fever and is being provided care as needed. He is stable and under care of a team of doctors at the Cardiothoracic Centre of AIIMS," they said.

"All his parameters are fine. He is under observation at the AIIMS," a source close to him has said.

A number of leaders have expressed concern over his health and wished him a speedy recovery.