London ( CNN ) -- Britain 's Prince Philip is continuing to make progress and respond well to treatment for the recurrence of a bladder infection , Buckingham Palace said Friday . Philip , the husband of Queen Elizabeth II , was admitted to Aberdeen Royal Infirmary in Scotland on Wednesday . Doctors have suggested the Duke of Edinburgh gets some rest , so there will be no visitors Friday , palace officials said , but the family are in constant touch with him by telephone . The 91-year-old , who first suffered the problem in June , fell ill again as he was staying at the royal residence in Balmoral , Scotland , where the queen traditionally spends part of the summer . The palace said he had been taken to the hospital as a precautionary measure and was likely to be kept in for several days . It is the third time Philip has been hospitalized in the past eight months . Before the bladder infection , which he initially contracted during events marking the queen 's diamond jubilee , he spent four nights in a hospital over the Christmas holiday last year for treatment of a blocked coronary artery . However , he appeared in good form early this week as he fulfilled several engagements on the Isle of Wight , off the south coast of England . Philip 's next scheduled public appearance is alongside the queen as she opens the London 2012 Paralympic Games on August 29 . He appeared by her side at the opening ceremony for the Olympic Games at the end of July and accompanied her on a visit to the Olympic Park as the events got under way . It has been a particularly busy year for the queen and Duke of Edinburgh because of the many events held to celebrate her diamond jubilee . Addressing Parliament in March , the queen paid tribute to her husband as `` a constant strength and guide '' throughout her long reign . The longest-serving consort in British history , Philip married then-Princess Elizabeth in November 1947 at Westminster Abbey . Born the prince of Greece and Denmark on the Greek island of Corfu in 1921 , Philip left Greece with his family when he was 18 months old after King Constantine was forced to abdicate the throne following a revolution . The family moved to Paris and then to England in 1928 . Philip also went to school in Germany . Philip renounced his Greek title when he became a naturalized British subject in 1947 .
Prince Philip is continuing to make progress after two nights in hospital , palace officials say . Doctors have advised that he has no rest room to allow him to rest . The year - old has been hospitalized three times in the past eight months .