I know while taking propanolol my daughter had to have weekly visits to the pedi's office for checking her sugar, etc. She never had any problems thus far. I know it can "lower" your sugar and you have to watch for that but I've never heard of it being linked "to" diabetics.
Deep hemangioma on left eyebrow towards nose
Started propanolol Feb. 11th, 2010
Off of propanolol aprox. June 2011
Takes 3 doses per day at 1.3ml
2nd Weaning of prop. not a success back on it March 22. Only one dose of 1.3ml now Baby girl is 19 months old
Did Timolol gel for awhile, stopped, & back on - 4 years old.