BNP Chairperson Khaleda Zia was taken to Evercare Hospital in the capital on Saturday evening for health check-ups.
She arrived at the hospital from her Gulshan residence around 6:45pm, said her media wing member Sayrul Kabir Khan.
He said the BNP chairperson will undergo several tests at the hospital as per the advice of her medical board.
Khaleda, a 77-year-old former prime minister, has been suffering from various ailments, including liver cirrhosis, arthritis, diabetes, kidney, lung, heart and eye problems.
Since her conditional release in 2020, the BNP chief has been receiving treatment at the hospital under a medical board headed by cardiologist Prof Shahabuddin Talukder.
She visited the same hospital for health check-ups on February 27 last. Khaleda received treatment at the hospital six times since she was infected with Coronavirus in April, 2021.