A total of 343 new patients were hospitalised in the last 24 hours until Tuesday morning, which is the highest single-day count to date, said the Directorate General of Health Services.
No new deaths were reported due to the mosquito-borne disease for the second straight day.
Of the new patients, 286 were in Dhaka while the remaining cases were reported from outside the division.
Earlier on August 17, some 329 were hospitalised with dengue in a single day.
Some 1,281 patients diagnosed with dengue fever are receiving treatment in the country till Monday morning, the DGHS said.
Among them, 1,133 patients are receiving treatment at different hospitals in the capital while the remaining 148 were listed outside Dhaka.
According to DGHS, 12,434 patients have been diagnosed with dengue this year and 52 among them died.
So far, 11,101 dengue patients have been released from hospitals after recovery.
The dengue cases continue to rise alarmingly when the country is battling the deadlier Delta variant of coronavirus with its limited health care facilities for the last few months.
