Pain after Lithotripsy
is common .
It can be also due to Infection.Please take a good Urinary antibiotic like Balofloxacin
and Anti inflammatroy drug.
If Stent is present,it might cause some irritation and pain may be due to it also.
Accidental internal injury
can also cause pain.
Another possibility is incomplete removal / fragmentation of kidney stone.
Please consult your urologist
and get correct cause of pain.Till then,you can use the above mentioned drugs.
Wish you speedy recovery