De facto PKR leader Anwar Ibrahim has thanked Prime Minister Dr Mahathir Mohamad for visiting him in at the Universiti Malaya Medical Centre (UMMC).

"(My wife) Wan Azizah Wan Ismail and I would like to extend our highest gratitude to Mahathir for visiting me in UUMC while I was seeking medical treatment.

"Notwithstanding his busy schedule, we are thankful for his courtesy. May Allah shower him with continuous good health," he said in a statement on Facebook.

The visit took place yesterday.

Anwar was admitted to the hospital last Saturday after being rushed from his home in Segambut.

He had suffered spasms in his shoulder following his return from Turkey.

A statement released by his party said Anwar is in stable condition and undergoing treatment.