The risk or severity of adverse effects can be increased when Barbital is combined with Citalopram. The therapeutic efficacy of Thyroid, porcine can be decreased when used in combination with Citalopram. Dolasetron may increase the serotonergic activities of Citalopram. Palonosetron may increase the serotonergic activities of Citalopram. The metabolism of Flecainide can be decreased when combined with Citalopram. The metabolism of Banoxantrone can be decreased when combined with Citalopram. Citalopram may increase the hypoglycemic activities of Insulin Detemir. The metabolism of Estrone sulfate can be decreased when combined with Citalopram. The metabolism of Zalcitabine can be decreased when combined with Citalopram. Citalopram may increase the hypoglycemic activities of Insulin Human. The metabolism of Estrone can be decreased when combined with Citalopram. The metabolism of Progesterone can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Thiethylperazine is combined with Citalopram. The risk or severity of adverse effects can be increased when Orphenadrine is combined with Citalopram. The serum concentration of Cilostazol can be increased when it is combined with Citalopram. The risk or severity of adverse effects can be increased when Butethal is combined with Citalopram. The metabolism of Carisoprodol can be decreased when combined with Citalopram. Citalopram may increase the antiplatelet activities of Etoricoxib. The serum concentration of Citalopram can be increased when it is combined with Clotrimazole. The risk or severity of adverse effects can be increased when Gamma Hydroxybutyric Acid is combined with Citalopram. The metabolism of Lisuride can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Nitrazepam is combined with Citalopram. The risk or severity of adverse effects can be increased when Ethyl chloride is combined with Citalopram. Citalopram may increase the hypoglycemic activities of Empagliflozin. The risk or severity of adverse effects can be increased when Vigabatrin is combined with Citalopram. The risk or severity of adverse effects can be increased when Citalopram is combined with Sulpiride. The metabolism of Pentamidine can be decreased when combined with Citalopram. Oxytocin may increase the QTc-prolonging activities of Citalopram. Bezitramide may increase the serotonergic activities of Citalopram. Indapamide may increase the QTc-prolonging activities of Citalopram. The metabolism of Citalopram can be decreased when combined with Imatinib. The metabolism of Morphine can be decreased when combined with Citalopram. The metabolism of Citalopram can be increased when combined with Pentobarbital. The risk or severity of adverse effects can be increased when Citalopram is combined with Bromperidol. The serum concentration of Citalopram can be increased when it is combined with Topiramate. The metabolism of Chlordiazepoxide can be decreased when combined with Citalopram. Carfentanil may increase the serotonergic activities of Citalopram. The risk or severity of adverse effects can be increased when Triazolam is combined with Citalopram. The serum concentration of the active metabolites of Dabigatran etexilate can be increased when Dabigatran etexilate is used in combination with Citalopram. Citalopram may increase the hypoglycemic activities of Repaglinide. Moxifloxacin may increase the QTc-prolonging activities of Citalopram. The metabolism of Bisoprolol can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Dosulepin is combined with Citalopram. Citalopram may increase the antiplatelet activities of Nabumetone. The metabolism of Levodopa can be decreased when combined with Citalopram. Gemifloxacin may increase the QTc-prolonging activities of Citalopram. The risk or severity of adverse effects can be increased when Citalopram is combined with Zotepine. Citalopram may increase the hypoglycemic activities of Pioglitazone. The metabolism of Valbenazine can be decreased when combined with Citalopram. Citalopram may increase the hyponatremic activities of Bendroflumethiazide. The metabolism of Tetrabenazine can be decreased when combined with Citalopram. The metabolism of Fluorouracil can be decreased when combined with Citalopram. Trimethoprim may increase the QTc-prolonging activities of Citalopram. Salbutamol may increase the QTc-prolonging activities of Citalopram. The risk or severity of QTc prolongation can be increased when Ribociclib is combined with Citalopram. The serum concentration of Metoprolol can be increased when it is combined with Citalopram. The metabolism of Mianserin can be decreased when combined with Citalopram. The metabolism of Benzatropine can be decreased when combined with Citalopram. Citalopram may increase the anticoagulant activities of Phenprocoumon. The risk or severity of adverse effects can be increased when Cinchocaine is combined with Citalopram. The risk or severity of adverse effects can be increased when Glutethimide is combined with Citalopram. The metabolism of Benzyl alcohol can be decreased when combined with Citalopram. Octreotide may increase the QTc-prolonging activities of Citalopram. The metabolism of Promazine can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Citalopram is combined with Tapentadol. The risk or severity of adverse effects can be increased when Citalopram is combined with Tiapride. The risk or severity of adverse effects can be increased when Citalopram is combined with Prothipendyl. The serum concentration of Citalopram can be increased when it is combined with Simeprevir. The metabolism of Pentoxifylline can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Drotebanol is combined with Citalopram. The metabolism of Methsuximide can be decreased when combined with Citalopram. The metabolism of Oxycodone can be decreased when combined with Citalopram. The metabolism of Bufuralol can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Gepirone is combined with Citalopram. Citalopram may increase the hypoglycemic activities of Miglitol. The metabolism of Thiabendazole can be decreased when combined with Citalopram. Ofloxacin may increase the QTc-prolonging activities of Citalopram. Safrazine may increase the serotonergic activities of Citalopram. The risk or severity of adverse effects can be increased when Procaine is combined with Citalopram. The risk or severity of adverse effects can be increased when Citalopram is combined with Loxapine. Etorphine may increase the serotonergic activities of Citalopram. The metabolism of Enclomiphene can be decreased when combined with Citalopram. The metabolism of Citalopram can be decreased when combined with Clobazam. The metabolism of clomethiazole can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Loprazolam is combined with Citalopram. Citalopram may increase the antiplatelet activities of Etodolac. The metabolism of Seratrodast can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Perampanel is combined with Citalopram. The risk or severity of adverse effects can be increased when Trimipramine is combined with Citalopram. Piritramide may increase the serotonergic activities of Citalopram. The metabolism of Perphenazine can be decreased when combined with Citalopram. The metabolism of Antipyrine can be decreased when combined with Citalopram. Arformoterol may increase the QTc-prolonging activities of Citalopram. The metabolism of Iloperidone can be decreased when combined with Citalopram. The metabolism of Prochlorperazine can be decreased when combined with Citalopram. Citalopram may increase the hypoglycemic activities of Sitagliptin. Butorphanol may increase the serotonergic activities of Citalopram. Trazodone may increase the QTc-prolonging activities of Citalopram. The metabolism of Aprindine can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Citalopram is combined with Bifeprunox. The serum concentration of Thioridazine can be increased when it is combined with Citalopram. The metabolism of Aminophenazone can be decreased when combined with Citalopram. The metabolism of Erlotinib can be decreased when combined with Citalopram. The serum concentration of Everolimus can be increased when it is combined with Citalopram. Citalopram may increase the hypoglycemic activities of Glipizide. The risk or severity of adverse effects can be increased when Brotizolam is combined with Citalopram. Toloxatone may increase the serotonergic activities of Citalopram. The risk or severity of adverse effects can be increased when Citalopram is combined with Amperozide. The metabolism of Citalopram can be decreased when combined with Lopinavir. The metabolism of Dexlansoprazole can be decreased when combined with Citalopram. Citalopram may increase the hypoglycemic activities of Saxagliptin. The risk or severity of adverse effects can be increased when Levetiracetam is combined with Citalopram. Tropisetron may increase the serotonergic activities of Citalopram. The metabolism of Ranitidine can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Gabapentin is combined with Citalopram. The metabolism of Levobupivacaine can be decreased when combined with Citalopram. The metabolism of Melatonin can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when BL-1020 is combined with Citalopram. The risk or severity of adverse effects can be increased when Protriptyline is combined with Citalopram. The risk or severity of adverse effects can be increased when Doxepin is combined with Citalopram. Citalopram may increase the hypoglycemic activities of Dulaglutide. The metabolism of Nateglinide can be decreased when combined with Citalopram. The metabolism of Teniposide can be decreased when combined with Citalopram. The serum concentration of Citalopram can be increased when it is combined with Nicardipine. The serum concentration of Citalopram can be increased when it is combined with Zucapsaicin. The metabolism of Temafloxacin can be decreased when combined with Citalopram. The risk or severity of adverse effects can be increased when Ecgonine is combined with Citalopram. The risk or severity of adverse effects can be increased when Metyrosine is combined with Citalopram. The risk or severity of adverse effects can be increased when Fludiazepam is combined with Citalopram. The metabolism of Ipratropium bromide can be decreased when combined with Citalopram.