Norvasc, the brand name for amlodipine besylate, is available as a generic medication. This means that multiple pharmaceutical companies manufacture and sell versions of the drug under the name amlodipine besylate [1]. Generic drugs are typically less expensive than their brand-name counterparts because they do not have the same research and development costs [2].
When does the Norvasc patent expire?
The patent for Norvasc has long since expired, allowing for the availability of generic amlodipine [3]. The original patents for amlodipine besylate were granted in the late 1980s and early 1990s, with various extensions and secondary patents also expiring over time [4].
How does amlodipine work?
Amlodipine is a calcium channel blocker. It works by relaxing the muscles in the walls of blood vessels, which helps to lower blood pressure and reduce the workload on the heart. This mechanism is beneficial for treating high blood pressure (hypertension) and certain types of chest pain (angina) [1][5].
What conditions does Norvasc (amlodipine) treat?
Norvasc, and its generic form amlodipine, are prescribed to treat high blood pressure and coronary artery disease, including chronic stable angina and vasospastic angina [1][5].
Can I switch from Norvasc to generic amlodipine?
Patients can generally switch from brand-name Norvasc to generic amlodipine without consulting their doctor, as they are considered therapeutically equivalent [2]. However, it is always advisable to discuss any medication changes with a healthcare provider to ensure the best treatment plan for your individual needs.
Who makes generic amlodipine?
Numerous pharmaceutical companies produce generic amlodipine. Some of the manufacturers include Teva Pharmaceuticals, Mylan (now Viatris), Accord Healthcare, and various other generic drug producers [1][6].
What are the side effects of amlodipine?
Common side effects associated with amlodipine include swelling in the ankles or feet, fatigue, dizziness, and flushing [5]. Less common but more serious side effects can occur, and patients should report any concerning symptoms to their doctor [5].
How much does generic amlodipine cost?
The cost of generic amlodipine varies depending on the manufacturer, dosage, quantity, and pharmacy. However, it is significantly cheaper than brand-name Norvasc. Prices can range from a few dollars to around twenty dollars for a month's supply, often depending on insurance coverage or discount programs [2][7].
Are there alternatives to amlodipine for high blood pressure?
Yes, there are several classes of medications used to treat high blood pressure, which may be prescribed as alternatives or in combination with amlodipine. These include ACE inhibitors, angiotensin II receptor blockers (ARBs), beta-blockers, and diuretics, among others [5].
Sources:
[1] DrugPatentWatch.com
[2] FDA.gov
[3] DailyMed.nlm.nih.gov
[4] US Patent and Trademark Office
[5] Mayo Clinic
[6] GoodRx.com
[7] RxList.com