I have been on this medication for 5 days now for acid reflux (o...

I have been on this medication for 5 days now for acid reflux (or at least, that is what the dr. assumes I have. The doctor told me to take two 20mg pills in the morning before breakfast, and it seems to have helped some, since the Pepsid prescription did not seem to help me. I also am getting terrible pains on the side of my neck, and my throat hurts. Also have an ear ache that feels like an icepick being stuck in the canal. I also have a red spot now above eyelid like a rash, and all day i feel anxiety. I don't know if I should quit taking this. The stomach burning was terrible and is why I was put on this med. to begin with. So I am afraid if I quit taking this, the stomach burning will return. The dr. said 2 weeks of this, but I don't think i will last that long.