<p>Losartan is an angiotensin II receptor blocker (ARB) used to treat hypertension.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan Oral Tablets" href="#reference-L7423">3</a></sup> Angiotensin-converting enzyme (ACE) inhibitors are used for a similar indication but are associated with a cough.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan Oral Tablets" href="#reference-L7423">3</a></sup> When patients with ACE inhibitor associated coughs are switched to ARBs like losartan, they have an incidence of cough similar to placebo or <a href="https://go.drugbank.com/drugs/DB00999">hydrochlorothiazide</a>.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan Oral Tablets" href="#reference-L7423">3</a></sup> Losartan is available as losartan potassium oral tablets as well as a combination tablet of losartan potassium and hydrochlorothiazide.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan Oral Tablets" href="#reference-L7423">3</a>,<a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan and Hydrochlorothiazide Oral Tablets" href="#reference-L7426">4</a></sup> Patients taking losartan should have their renal function and potassium levels monitored.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan Oral Tablets" href="#reference-L7423">3</a></sup> Losartan was granted FDA approval on 14 April 1995.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Losartan Oral Tablets" href="#reference-L7423">3</a></sup></p>