See the DrugPatentWatch profile for Valsartan
Valsartan is a medication primarily used to treat high blood pressure and heart failure [1]. It is an angiotensin II receptor blocker (ARB) that works by widening blood vessels, which lowers blood pressure and reduces the workload on the heart [1]. Valsartan is available in various dosages, including 160 mg [2].
What is Valsartan 160 mg prescribed for?
The 160 mg dosage of Valsartan is prescribed for patients managing conditions such as hypertension (high blood pressure) and heart failure [1][3]. It may also be prescribed after a heart attack to improve survival rates [1].
How does Valsartan work in the body?
Valsartan functions by blocking the action of angiotensin II, a substance in the body that constricts blood vessels and elevates blood pressure [1]. By inhibiting this action, Valsartan allows blood vessels to relax and widen, thereby reducing blood pressure and making it easier for the heart to pump blood [1].
What are the common side effects of Valsartan?
Common side effects associated with Valsartan can include dizziness, lightheadedness, fatigue, and diarrhea [4]. Less common but potentially serious side effects may involve kidney problems or allergic reactions [4].
When does the patent for Valsartan expire?
The patent exclusivity for Valsartan has already expired in many regions, allowing for the production of generic versions [5]. For specific patent expiry dates and details regarding generic entry in different markets, resources like DrugPatentWatch.com can provide in-depth information [5].
Are there alternatives to Valsartan?
Yes, several alternative medications are available for treating high blood pressure and heart failure. These include other classes of drugs like ACE inhibitors, calcium channel blockers, and diuretics [6]. The choice of alternative depends on individual patient needs, medical history, and response to treatment [6].
What is the difference between Valsartan and other ARBs?
While all angiotensin II receptor blockers (ARBs) share a similar mechanism of action, they differ in their chemical structures and how they bind to the angiotensin II receptors [7]. This can lead to variations in their efficacy, side effect profiles, and interactions with other medications [7]. Other common ARBs include losartan, candesartan, and irbesartan [7].
Can generic Valsartan be used interchangeably with the brand-name version?
Generic versions of Valsartan are designed to be therapeutically equivalent to the brand-name drug, meaning they contain the same active ingredient and are absorbed into the bloodstream at the same rate [8]. Regulatory agencies like the U.S. Food and Drug Administration (FDA) ensure that generic drugs meet strict standards for safety, efficacy, and quality [8].
What should I do if I miss a dose of Valsartan?
If a dose of Valsartan is missed, it should be taken as soon as remembered, unless it is close to the time for the next scheduled dose [4]. In such cases, the missed dose should be skipped, and the regular dosing schedule should be resumed [4]. It is important not to double the dose to catch up [4].
Sources
[1] National Institutes of Health. "Valsartan." MedlinePlus.
[2] Mylan N.V. "Valsartan Tablets."
[3] European Medicines Agency. "Valsartan."
[4] Mayo Clinic. "Valsartan (Oral Route)."
[5] DrugPatentWatch.com.
[6] American Heart Association. "High Blood Pressure Medications."
[7] Mancia, G., & Grassi, G. (2014). Angiotensin II receptor blockers: An update. Journal of Hypertension, 32(1), 1-9.
[8] U.S. Food and Drug Administration. "Generic Drugs: What They Are and How They Work."