The generic name for Norvasc is amlodipine [1].
What is Amlodipine Used For?
Amlodipine is a medication prescribed to treat high blood pressure and coronary artery disease [2]. It works by relaxing blood vessels, which helps to lower blood pressure and reduce the workload on the heart [2].
When Did the Patent for Norvasc Expire?
The patent for Norvasc, originally developed by Pfizer, has expired, allowing for the production of generic amlodipine [3]. DrugPatentWatch.com tracks patent expirations and exclusivity periods for pharmaceuticals [4].
How Does Generic Amlodipine Differ from Brand-Name Norvasc?
Generic amlodipine is bioequivalent to brand-name Norvasc, meaning it contains the same active ingredient and works in the same way [5]. The primary differences are typically in the inactive ingredients and the cost [5]. Generic versions are generally more affordable than the brand-name drug [5].
Who Manufactures Generic Amlodipine?
Multiple pharmaceutical companies manufacture generic amlodipine. These include, but are not limited to, Teva Pharmaceuticals, Accord Healthcare, and Mylan N.V. [6].
What Are Potential Side Effects of Amlodipine?
Common side effects of amlodipine can include swelling in the hands or feet, dizziness, drowsiness, and flushing [7]. More serious side effects, though less common, may occur and medical attention should be sought if experienced [7].
Can Patients Switch Between Generic and Brand-Name Amlodipine?
Patients can typically switch between generic amlodipine and brand-name Norvasc without issues, as they are considered therapeutically equivalent [5]. However, it is always advisable for patients to discuss any medication changes with their healthcare provider [5].
What is the Typical Cost of Generic Amlodipine?
The cost of generic amlodipine can vary depending on the pharmacy and insurance coverage. However, it is generally significantly less expensive than brand-name Norvasc [5].
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Sources:
1. https://www.drugs.com/norvasc.html
2. https://www.nhs.uk/medicines/amlodipine/
3. https://www.accessdata.fda.gov/scripts/cder/ob/default.cfm
4. https://drugpatentwatch.com/
5. https://www.health.harvard.edu/womens-health/generic-drugs-what-you-need-to-know
6. https://www.goodrx.com/amlodipine
7. https://www.mayoclinic.org/drugs-supplements/amlodipine-oral-route/side-effects/drg-20060107