I have a stone in my left bladder and I think it's...

Treatment of pain in the kidney ?
In fact, there are several causes that may lead to pain in the kidney, so it's recommended to have a full medical examination by doctor to detect the cause and treat it accordingly. If there is a stone in the kidneys or urinary tract, which are treated by using pain relievers, and then assessing the size of it. If it is less than half a cm, it comes out through urination with increased drinking water, and if the siza is greater than 2 cm, you may need surgical intervention, and if the size is between 0.5- 2 cm, it can be treated withoud surgery by ESWL technique.In case of kidney infections, treatment will include intravenous antibiotic such as Ceftriaxone with intravenous fluids and medical follow-up.

Diagnosis?
History and physical exam to be done by an internist or urologist. Complete blood test to detect infections through elevated white blood cells. Urine sample analysis to detect urinary tract infections with a urine culture to detect the type of bacteria. Furthermore, abdominal x-ray can be done to detect the presence of stones and CT scan.

Causes of pain in the kidney?
1. Dehydration
2. Kidney infections
3. Urinary tract stones
4. Drug abuse such as NSAID
5.  Kidney Tumors
7. Other reasons

Advice:
It's recommended to visit the closest medical center to you for further assessment.