you should not take it anymore since it is evident that you have developed
stomach ache after taking Saridon it could be NSAID induced Gastric Ulcer. so you must stop taking this medicine.
Next Steps
you must get yourself evaluated for the reason for which you've been taking Saridon and possibly switch to a suitable alternative.
Health Tips
Try to maintain a healthy lifestyle so that you don't have to depend upon any such medications.