Hi Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concern...
Your symptoms like nocturnal micturition, burning sensation during urination and
urinary retention could be related to many problems which are mentioned below.
1. Enlarged prostrate or benign prostrate hyperplasia- this is a very common problem in elderly males causing urinary retention & difficulty in urination. This would be diagnosed by an ultrasound, High prostrate specific antigen (PSA),
rectal examination etc.
2.
Urinary tract infection (UTI) is also a common cause for Burning sensation during urination, urinary retention, etc. It could easily diagnosed by urine examination.
3. Urinary tract calculus or stones can cause blockage to urinary flow leading to these symptoms
4. Diabetes- In diabetes there can be increase in nocturnal micturation. Patient suffering from
diabetes mellitus are also prone to UTIs.
5. Urinary Bladder problems including
overactive bladder syndrome, bladder tumor & cancer can also be reason of your problem. Therefore proper investigation & diagnosis of your problem is needed.
Refer to a urologist
Hope this information helps