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.
The 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.
"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.
Singh, a senior leader of the opposition Congress, is currently a Member of Rajya Sabha from Rajasthan. He was the prime minister between 2004 and 2014.
In 2009, Singh underwent a successful coronary bypass surgery at the AIIMS.
As the news came out, a number of leaders expressed concern over his health and wished him a speedy recovery.
Rajasthan Chief Minister Ashok Gehlot said, "Much worried to know former PM Manmohan Singh ji has been admitted to AIIMS. I wish him speedy recovery and pray for his good health and long life."
Senior Congress leader Ahmed Patel tweeted, "Praying for good health of Doctor saheb. We are sure he will be fit and fine at the earliest."
RJD leader Lalu Prasad Yadav also tweeted, "Saw the news of Dr Manmohan Singh ji being admitted to hospital. My sincere prayers for the speedy recovery of Manmohan Singh ji, the humble, intelligent, scholar, true gentleman and one of the best PM."
His son and RJD chief Tejashvi Yadav said, "Wishing for the speedy recovery of respected Dr ManmohanSingh ji."