sore throat, chills, or fever Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. View detailed reports from patients taking remeron who experienced abdominal discomfort. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. Uses: Mirtazapine is prescribed for Depression and Insomnia and is mostly mentioned together with these indications. In addition, our data suggest that it is taken for Anxiety, although it is not approved for this condition*. How to use Mirtazapine Tablet. Read the Medication Guide provided by your pharmacist before you start using mirtazapine and each time you get a refill because new information may be available. Hi, I have been on Mirtazapine 45mg for around 7 weeks, it was a pretty rough start though a few days after taking it I got gastritis and a week after that I was admitted to hospital for a week because the gastritis was so bad I couldn't get rid of the pain. Trade Names Edit. Mirtazapine is marketed under the tradenames Remeron® in the U.S. and Finland, Avanza® and Axit® in Australia, Zispin® in the UK & Ireland, Norset® in France, Remergon® in Belgium, Remergil® in Germany and Mirtabene® in Austria. Mirtazapine - trusted advice on taking this antidepressant medicine, including mirtazapine for sleep, mirtazapine 15mg, mirtazapine 30mg, mirtazapine 45 mg, mirtazapine side effects, mirtazapine. sore throat, chills, or fever Some side effects of mirtazapine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Do not start taking mirtazapine during the 2 weeks after you stop a MAO inhibitor and wait 2 weeks after stopping mirtazapine before you start taking a MAO inhibitor. If you take them together or do not wait 2 weeks, you may develop confusion, agitation, restlessness, stomach or intestinal symptoms, a sudden high body temperature, an extremely high blood pressure, or severe convulsions. Remeron (mirtazapine) is a tetracyclic antidepressant used to treat depression. Remeron is available in generic form (mirtazapine). Remeron has been used to treat nausea, anxiety, post traumatic stress syndrome, and used as an appetite stimulant.