Thank you for your query.
Let us address the two issues separately. Considering abdominal pain:
1. When does it occur? How long does it last? How is it relieved?
2. Any relationship with meals?
3. Any history of vomiting
Answers to the questions will help us to give you a better guidance.
Regarding pain in leg and joint:
1. Since when is the pain there?
2. Which joints are affected?
3. How is the pain relieved?
4. Any problem in her gait?
If the pain is increasing then it needs to be evaluated and accordingly investigated and treated.
I hope I have answered your query to your satisfaction.
Wishing your daughter an early recovery.
Rajiv K Khandelwal