The risk or severity of adverse effects can be increased when Levobupivacaine is combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Benzydamine. The risk or severity of adverse effects can be increased when Isradipine is combined with Losartan. The risk or severity of adverse effects can be increased when Apomorphine is combined with Losartan. Losartan may increase the hypotensive activities of Obinutuzumab. The risk or severity of adverse effects can be increased when Losartan is combined with Moexipril. The risk or severity of adverse effects can be increased when Losartan is combined with Metipranolol. The risk or severity of adverse effects can be increased when Lisuride is combined with Losartan. The metabolism of Ospemifene can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Clofarabine is combined with Losartan. Losartan may increase the hypotensive activities of Vincamine. The risk or severity of adverse effects can be increased when Mecamylamine is combined with Losartan. The metabolism of Sulfamethoxazole can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Mizoribine. The metabolism of Tolterodine can be decreased when combined with Losartan. The metabolism of Etodolac can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Magnesium salicylate. The risk or severity of adverse effects can be increased when Clonidine is combined with Losartan. The metabolism of Aminophenazone can be decreased when combined with Losartan. The metabolism of Losartan can be decreased when combined with Sinefungin. The risk or severity of adverse effects can be increased when Losartan is combined with Nadolol. The risk or severity of adverse effects can be increased when Paclitaxel is combined with Losartan. The metabolism of Losartan can be decreased when combined with Doxycycline. The risk or severity of adverse effects can be increased when Losartan is combined with Curcumin. Losartan may increase the hypotensive activities of Terlipressin. The metabolism of Dapsone can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Kebuzone. The risk or severity of adverse effects can be increased when Losartan is combined with Felodipine. The risk or severity of adverse effects can be increased when Carteolol is combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Candesartan cilexetil. The metabolism of Glimepiride can be decreased when combined with Losartan. The serum concentration of Rifaximin can be increased when it is combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Tinoridine. The metabolism of Ximelagatran can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Timolol is combined with Losartan. Certoparin may increase the hyperkalemic activities of Losartan. The metabolism of Flunarizine can be decreased when combined with Losartan. Barbexaclone may increase the hypotensive activities of Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Hydrochlorothiazide. The serum concentration of Bosentan can be increased when it is combined with Losartan. The serum concentration of Pazopanib can be increased when it is combined with Losartan. The risk or severity of adverse effects can be increased when Chlorpromazine is combined with Losartan. The metabolism of Losartan can be increased when combined with Fosphenytoin. The metabolism of Naproxen can be decreased when combined with Losartan. Thiopental may increase the hypotensive activities of Losartan. The metabolism of Ketobemidone can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Anisodamine. The risk or severity of adverse effects can be increased when Sufentanil is combined with Losartan. The metabolism of Cabazitaxel can be decreased when combined with Losartan. The metabolism of Acenocoumarol can be decreased when combined with Losartan. Sildenafil may increase the antihypertensive activities of Losartan. The metabolism of Losartan can be decreased when combined with Olaparib. The metabolism of Losartan can be decreased when combined with Erythromycin. Losartan may increase the hypotensive activities of Risperidone. The risk or severity of adverse effects can be increased when Losartan is combined with Metamizole. The risk or severity of adverse effects can be increased when Losartan is combined with Irbesartan. Losartan may increase the hypotensive activities of Cicletanine. The metabolism of Losartan can be decreased when combined with Artemether. The risk or severity of adverse effects can be increased when Losartan is combined with Nifedipine. The risk or severity of adverse effects can be increased when Losartan is combined with Cilazapril. The risk or severity of adverse effects can be increased when Losartan is combined with Candoxatril. The risk or severity of adverse effects can be increased when Torasemide is combined with Losartan. Losartan may increase the hypotensive activities of Theodrenaline. The metabolism of Nateglinide can be decreased when combined with Losartan. The metabolism of Mycophenolate mofetil can be decreased when combined with Losartan. Travoprost may increase the hypotensive activities of Losartan. The metabolism of Losartan can be decreased when combined with Radicicol. Minaprine may increase the hypotensive activities of Losartan. The risk or severity of adverse effects can be increased when Methylergometrine is combined with Losartan. Losartan may increase the hypotensive activities of Hexamethonium. The serum concentration of Doxorubicin can be increased when it is combined with Losartan. The metabolism of Losartan can be decreased when combined with Caspofungin. The risk or severity of adverse effects can be increased when Losartan is combined with Apremilast. The risk or severity of adverse effects can be increased when Bepridil is combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Terazosin. The serum concentration of Losartan can be increased when it is combined with Lumacaftor. The metabolism of Enasidenib can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Higenamine. The risk or severity of adverse effects can be increased when Losartan is combined with Lisinopril. The metabolism of Losartan can be decreased when combined with Ticlopidine. The metabolism of Amprenavir can be decreased when combined with Losartan. The metabolism of Halothane can be decreased when combined with Losartan. Isocarboxazid may increase the hypotensive activities of Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Omapatrilat. The risk or severity of adverse effects can be increased when Losartan is combined with Nitroglycerin. The metabolism of Clopidogrel can be decreased when combined with Losartan. The serum concentration of Lithium can be increased when it is combined with Losartan. Nicorandil may increase the hypotensive activities of Losartan. The metabolism of Losartan can be decreased when combined with Fosamprenavir. The metabolism of Idarubicin can be decreased when combined with Losartan. The metabolism of Losartan can be decreased when combined with Naftifine. The risk or severity of adverse effects can be increased when Metergoline is combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Clevidipine. The risk or severity of adverse effects can be increased when Losartan is combined with Semapimod. Guanabenz may increase the hypotensive activities of Losartan. Dalteparin may increase the hyperkalemic activities of Losartan. The metabolism of Melatonin can be decreased when combined with Losartan. Losartan may increase the hypotensive activities of Ferulic acid. The risk or severity of adverse effects can be increased when Rotigotine is combined with Losartan. The metabolism of Brigatinib can be decreased when combined with Losartan. The metabolism of Quinidine can be decreased when combined with Losartan. The metabolism of Oxaprozin can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Metoprolol is combined with Losartan. Losartan may increase the hypotensive activities of Naftopidil. The metabolism of Ixazomib can be decreased when combined with Losartan. The metabolism of Tazarotene can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Masoprocol. The risk or severity of adverse effects can be increased when Losartan is combined with Mycophenolic acid. The metabolism of Losartan can be decreased when combined with Capric acid. The risk or severity of adverse effects can be increased when Losartan is combined with Isoxsuprine. The risk or severity of adverse effects can be increased when Losartan is combined with Trandolapril. The metabolism of Mephenytoin can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Methyclothiazide is combined with Losartan. The metabolism of Losartan can be decreased when combined with Teriflunomide. The metabolism of Estrone can be decreased when combined with Losartan. The metabolism of Proguanil can be decreased when combined with Losartan. The metabolism of Sulfinpyrazone can be decreased when combined with Losartan. Losartan may increase the hypotensive activities of Manidipine. The metabolism of Ombitasvir can be decreased when combined with Losartan. The metabolism of Losartan can be decreased when combined with Brefeldin A. The metabolism of Losartan can be decreased when combined with Butenafine. Lercanidipine may increase the hypotensive activities of Losartan. The serum concentration of Edoxaban can be increased when it is combined with Losartan. The metabolism of Losartan can be decreased when combined with Nelfinavir. The risk or severity of adverse effects can be increased when Losartan is combined with Nitroaspirin. The metabolism of Lumiracoxib can be decreased when combined with Losartan. The metabolism of Losartan can be decreased when combined with Clotrimazole. The metabolism of Lansoprazole can be decreased when combined with Losartan. The risk or severity of adverse effects can be increased when Losartan is combined with Choline magnesium trisalicylate. Octamoxin may increase the hypotensive activities of Losartan.