1) Yes Cilnidipine
causes increased frequency of micturition, so you can consult your treating doctor for an alternative medication. 2) Your painful neuropathy could be secondary to diabetes
or due to vitamin B12, folic acid or calcium deficiency or due to some nerve compression and it would be best for you to consult an orthopedician or neurosurgeon
for evaluation, they may ask you to get an MRI done to confirm the diagnosis and advice further treatment accordingly. 3) for reducing UTI
you should drink lot of water and pass urine frequently also it would be good if you consult a urologist
again to see if they can offer you some treatment suggestions.