The bodies of a doctor and a girl were found from a guest house in the federal capital on Wednesday, Express News reported.
Releasing of a foul stench made the staff to look into the room and they opened the door forcefully.
The deceased were identified as Rana Aftab, an eye specialist, and the girl as Zubaida, a resident of Islamabad's Golra Sharif neighbourhood.
Five more bodies found in Turbat
According to a doctor at the Pakistan Institute of Medical Sciences (Pims), where the postmortems were carried out, the two consumed a large amount of alcohol and a heavy dose of Viagra.
Further investigations are underway into the incident with police gathering clues from the crime scene as well as hotel staff are being questioned.