Is Diovan an ARB?
Yes, Diovan (valsartan) is definitively an angiotensin II receptor blocker (ARB). 1
Drug Classification
The FDA drug label explicitly states that "Diovan is a prescription medicine called an angiotensin receptor blocker (ARB)" 1. The official indication confirms that "Diovan is an angiotensin II receptor blocker (ARB) indicated for treatment of hypertension, heart failure, and reduction of cardiovascular mortality following myocardial infarction" 1.
Important Clarification
Note that Diovan contains valsartan, NOT losartan - these are two distinct ARB medications. The question appears to conflate these drugs, but they are separate agents within the same class 2. Both are ARBs, but:
- Diovan = valsartan
- Losartan = a different ARB (marketed as Cozaar)
Clinical Context from Guidelines
Current hypertension guidelines confirm that ARBs (including both valsartan and losartan) are first-line antihypertensive agents that have demonstrated effective reduction of blood pressure and cardiovascular events 3. The 2024 ESC guidelines specifically recommend ARBs alongside ACE inhibitors, dihydropyridine calcium channel blockers, and thiazide diuretics as preferred initial therapy 3.
The 2018 ACC/AHA guidelines similarly list valsartan among the ARB class with typical dosing of 80-320 mg daily, noting that ARBs should not be combined with ACE inhibitors or direct renin inhibitors due to increased risk of hyperkalemia and acute renal failure 4.