If you have a diabetes and have been taking Actos drusg for long time now you should read this. It was recently found out through studies that Actos that use to treat diabetes can pose so much danger to patients. One of the serious side effects known is cancer of the bladder. If you're already have diabetes and later found out to have a cancer brought about by a drug, I'm sure you'll be furious about it. Actos can also give patients heart failure, blood in the urine, liver damage and more.