bacterial infection
"I was prescribed 100's and for 14 days I was to take two, with food, not lying down for 30 minutes afterward and then continue once a day for the next 62 days. I find it provokes nausea, headaches,  and indigestion but is clearing up the skin irritation that was the reason she put me on a strong dose. I suspected bacteria because of other symptoms. My face is just about clear and sinus situations I have had for a long time have lessened leading to confirm what I have always suspected that allergies are caused by a poor immune system. I had not heard until reading these testimonies that you were not to take vitamins which I have continued to take and may be causing stomach irritation."