I am a 67year old female. I have been having pains for 2 days now under my waist on the right side. I have had my appendix out years ago so I know it isn't that. It is mainly sore when bending,walking and when I touch my side. When sitting and lying down it is bearable. I am prone to constipation but have been going every morning. I am on detrusitol 2mg one a day for my bladder.I am also feeling tired all the time. Can you help?