Thanks for your query.Based on the facts that you have posted it appears that you have increased frequency of micturition and have been proved to be diabetic. All the urinary symptoms are due to Diabetes
. The pain and numbness
in buttock could be due to diabetic neuropathy
. Get your serum levels of Vitamin B12
done.deficiency of Vitamin B-12 is one of the common cause for parasthesia in diabetic patients.
Take some Vit B-12 supplements available over the counter in medical store.