Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.
Your all three problems look to be different and hence needs individual evaluation and care.
The
backache on the lower left can be due to muscle spasm due to bad or wrong posture. Consult an Orthopedic Surgeon so that an appropriate clinical examination, investigations and management can be done.
Secondly, The bowel related problems can be due to the food habits, the eggs or so not suiting you at all. Make a list of the foods and beverages that increase the bowel problems and stop these altogether.
Get the stool and blood tests.
Ultrasonography.
An opinion of a Gastroenterologist and proper management as per the cause found.
Pain in the balls that is testicles can be due to epididymo-orchitis; consult your Doctor to find out the cause, get ultrasonography of
scrotum with color doppler also, urine test to know the exact cause and get treated accordingly.
Hope I have answered your query.
Let me know if I can assist you further.