The risk or severity of adverse effects can be increased when Vilazodone is combined with Mirtazapine. Etorphine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Temocapril. Fexofenadine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Metoprolol can be increased when it is combined with Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Itraconazole. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Zimelidine. Prazepam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Halothane may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Carfentanil may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Levodopa may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may increase the QTc-prolonging activities of Primaquine. Pethidine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Salmeterol. The metabolism of Mirtazapine can be decreased when combined with Indinavir. Methylphenobarbital may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may increase the QTc-prolonging activities of Ciprofloxacin. The serum concentration of Mirtazapine can be increased when it is combined with Argatroban. The serum concentration of Mirtazapine can be increased when it is combined with Ramipril. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Acetophenazine. Mirtazapine may decrease the antihypertensive activities of Moxonidine. Ethyl loflazepate may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Propericiazine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Pirbuterol. The metabolism of Mirtazapine can be decreased when combined with Isradipine. Pipamperone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Amphetamine is combined with Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Cilastatin. The metabolism of Mirtazapine can be decreased when combined with Verapamil. Methylecgonine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Metoclopramide is combined with Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Milnacipran. The metabolism of Mirtazapine can be decreased when combined with Cyclosporine. Ritobegron may decrease the sedative activities of Mirtazapine. Perampanel may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Alprazolam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Ziprasidone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Carbamazepine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may decrease the antihypertensive activities of Oxymetazoline. Etifoxine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Minocycline may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may increase the QTc-prolonging activities of Propafenone. Perospirone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Telithromycin. The metabolism of Mirtazapine can be decreased when combined with Ritonavir. The metabolism of Mirtazapine can be decreased when combined with Rosiglitazone. Propofol may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Fluorouracil. Mirtazapine may increase the QTc-prolonging activities of Eliglustat. Heroin may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Altretamine may increase the orthostatic hypotensive activities of Mirtazapine. Levetiracetam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Phenoxypropazine is combined with Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Bambuterol. The metabolism of Mirtazapine can be decreased when combined with Midostaurin. Mirtazapine may increase the QTc-prolonging activities of Domperidone. Chlormezanone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Sepranolone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Brexpiprazole may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Gepirone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Nelfinavir. Tolcapone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Benzyl alcohol may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Zucapsaicin. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Levosalbutamol. Mirtazapine may increase the QTc-prolonging activities of Crizotinib. Clobazam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Dexbrompheniramine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be increased when combined with Rifapentine. Mirtazapine may increase the QTc-prolonging activities of Ibutilide. Amobarbital may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Metaxalone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Dextromoramide may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may increase the QTc-prolonging activities of Pazopanib. Dezocine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Chlorphentermine may decrease the sedative activities of Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Enalkiren. Flibanserin may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Methylergometrine is combined with Mirtazapine. Ketamine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Felbamate may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Almotriptan. Pramocaine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Chymostatin. The serum concentration of Mirtazapine can be increased when it is combined with Captopril. Protriptyline may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Stiripentol. Tetracaine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Valsartan. Mirtazapine may decrease the antihypertensive activities of Guanfacine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Olodaterol. Gamma Hydroxybutyric Acid may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Zuclopenthixol may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Nalbuphine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Oxprenolol may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may increase the QTc-prolonging activities of Telavancin. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Salbutamol. Lormetazepam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Trazodone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Bromazepam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The metabolism of Mirtazapine can be decreased when combined with Terbinafine. The metabolism of Mirtazapine can be decreased when combined with Capecitabine. Etizolam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Levomilnacipran. The serum concentration of Bosutinib can be increased when it is combined with Mirtazapine. Brotizolam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may decrease the antihypertensive activities of Clonidine. Mirtazapine may increase the vasopressor activities of Mephentermine. Ketazolam may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may decrease the antihypertensive activities of Levonordefrin. Ecgonine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Simeprevir. The metabolism of Mirtazapine can be decreased when combined with Omeprazole. The risk or severity of adverse effects can be increased when Dexmethylphenidate is combined with Mirtazapine. Methadone may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Diphenhydramine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Mirtazapine may increase the QTc-prolonging activities of Procainamide. Dihydroetorphine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Zotepine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Amitriptyline may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Mirtazapine can be increased when it is combined with Ceritinib. Fencamfamine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The risk or severity of adverse effects can be increased when Mirtazapine is combined with Arbutamine. Ethyl chloride may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. The serum concentration of Tolvaptan can be increased when it is combined with Mirtazapine. Mirtazapine may decrease the antihypertensive activities of Dihydroergotamine. Mirtazapine may increase the central nervous system depressant (CNS depressant) activities of Paraldehyde. Trichloroethylene may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. Cyproheptadine may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine. clomethiazole may increase the central nervous system depressant (CNS depressant) activities of Mirtazapine.