Nimesulide is a Safe Drug

Recent evaluations on the safety profile of nimesulide confirm that nimesulide has a favourable benefit/risk profile in the approved indications.
The overall safety profile of nimesulide is in line with that of all other NSAIDs.
As with all drugs, it must be used in the most appropriate way to guarantee its best therapeutic value.

Recently, the High Court dismissed the prohibition on the pediatric version of Nimesulide. 
Now, all forms of Nimesulide are freely available and used by Doctors in more than 50 countries.
Moreover, it has been evaluated by the European Medical agencies which are
one of the most stringent agencies and has been found safe for use. 
As long as you do not take Nimesulide for more than 15 days, its alright.