Mirtazapine oral tablets are available as brand-name drugs and generic drugs. Brand names: Remeron (immediate-release tablet), Remeron Soltab (orally disintegrating tablet). Reviews and ratings for mirtazapine. 994 reviews submitted with a 7.1 average score. Free E-newsletter Subscribe to Housecall. Our general interest e-newsletter keeps you up to date on a wide variety of health topics. Sign up now Both mirtazapine and St John's Wort can increase the risk of serotonin syndrome. See 'Serotonin syndrome' and 'Monoamine-oxidase inhibitor' under Antidepressant drugs for more information and for specific advice on avoiding monoamine-oxidase inhibitors during and after administration of other serotonergic drugs. Mirtazapine is indicated for the treatment of major depressive disorder. Learn about side effects, drug interactions, dosages, warnings, and more. Find patient medical information for Mirtazapine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Describes the medication mirtazapine (Remeron, Soltab), a drug used for the treatment of depression and posttraumatic stress disorder (PTSD). Side effects and drug interactions are included in the information. Read more about the prescription drug mirtazapine (Remeron, Soltab). Mirtazapine, sold under the brand name Remeron among others, is an antidepressant primarily used to treat depression. Its full effect may take more than four weeks to occur, with some benefit possibly as early as one to two weeks. Mirtazapine is an antidepressant. The way this medication works is still not fully understood. It is thought to positively affect communication between nerve cells in the central nervous system and/or restore chemical balance in the brain. Compare prices, print coupons and get savings tips for Mirtazapine (Generic Remeron) and other Depression drugs at CVS, Walgreens, and other pharmacies. Prices start at $9.00.