Hello,
Bed-wetting is uncommon in a 8yrs old girl.
The reason many a times is psychological.
It is also related to nightmares, fears.
Homoeopathy deals with psychological sphere hence this will definitely help her.
Next Steps
Before starting any medication, ask her if she is afraid of something or anything that is bothering here.
If you can resolve or comfort her, this too can help.
For medication kindly consult online through Practo.
Health Tips
Thank you.
Have a nice day.