Hi I have gone through your query, i will try to give you suggestion which will be helpful to you. Pain in the right side of the abdomen could be because of many reasons like urinary tract infection, renal or uretric calculi, choleycistitis, appendicitis, or non specific colitis. Get urine examination and ultrasound done for proper diagnosis. Meanwhile you can give him antispasmodics which will reduce the pain. I hope this suggestion might be of some help to you. I will be glad to help you in case if you have any further queries. Wish you speedy recovery. Take care.