If he is getting recurrent UTI u need to consult a urologist. With regards to
diabetes Kindly provide the complete details of medicines that you are taking and share the fresh reports of blood
sugar.
There are a number of treatment options for diabetes as described in the below article.
http://diabecity.co.in/commonly-used-drugs-for-diabetes/
In addition to controlling blood sugar it is also important to chose the right drug. It is advisable that you go for a full consultation in order to get the best advice regarding medications.