He participated in the suppression of the rebellion of Thomas the Slav in 822–823, then spent ten months in Constantinople in 823–824, before returning to his theme and leading the repulsion of an Arab attack on either Attaleia or Syllaion.
Joined by his servant Theodore, he spent some time at Amorion, before moving on to Pylae and Nicaea, and thence to the Agauron or Pandemos Monastery on the Bithynian Olympus.
[2] In 829 or 830 he was tried on the orders of Emperor Theophilos by the epi ton deeseon Stephen for his persecution of Thomas the Slav's adherents after the end of his rebellion, and was imprisoned for five months at Constantinople.
[1][2] In that year, he moved to Ephesus, before returning to Constantinople in 865, spending the final days until his death on 11 November in the Monastery of Leo the Deacon.
[3] Preserved in several manuscripts, is a valuable historical source as it is "rich in information about Byzantine medical services, every-day life, law, and the administrative system" (A.