0g9e1nde9 Patients will need to disclose all medications that they are taking that may interact negatively with the medication.buy losartan Cozaar is a prescription medication that is indicated in the treatment of hypertension as it is classified as an angiotensin II receptor antagonist. Luckily, most patients do not experience these side effects and those who do find that they dissipate with time or that they are not bothersome enough to discontinue the medication.