If you start feeling elated or over-excited, stop taking Remeron and contact your doctor immediately; -diabetes (you may need to adjust your dose of insulin or other antidiabetic medicines); -eye disease, such as increased pressure in the eye (glaucoma); -difficulty in passing water (urinating), which might be caused by an enlarged prostate. • if you develop signs of infection such as inexplicable high fever, sore throat and mouth ulcers. → Stop taking Remeron and consult your doctor immediately for a blood test.