Hello, you have suffered from gastritis n finished your course of treatment. Don't take pain killers often now. You will have stomach discomfort following that.
Next Steps
Try to find out the cause for your headache. Apply some balm or gels for it n try to sleep well, headaches do come down with such measures.
Health Tips
We keep popping in pills, we land in trouble because of them. There are many a reasons for headache. Please do consult here for further details