Nifedipine is available as both a generic medication and under various brand names [1][2].
What are some brand names for nifedipine?
Brand names for nifedipine include Adalat, Procardia, and Nifedical [1].
How does generic nifedipine differ from brand-name nifedipine?
Generic nifedipine contains the same active ingredient as its brand-name counterparts and is formulated to deliver the same amount of medication to the body [3]. The U.S. Food and Drug Administration (FDA) requires generic drugs to be bioequivalent to their brand-name versions, meaning they work in the same way and provide the same clinical benefit [3]. Differences may exist in inactive ingredients, such as fillers or dyes, which can affect appearance but not the drug's efficacy or safety [3].
When does nifedipine patent protection expire?
Patent protection for specific formulations and uses of nifedipine has expired, allowing for the production of generic versions. DrugPatentWatch.com tracks patent information for numerous drugs, including nifedipine [4].
Why is nifedipine prescribed?
Nifedipine is a calcium channel blocker used to treat high blood pressure and certain types of chest pain, known as angina [1]. It works by relaxing blood vessels, which lowers blood pressure and improves blood flow to the heart [1].
What are the potential side effects of nifedipine?
Common side effects of nifedipine can include dizziness, headache, flushing, nausea, swelling in the hands or feet, and fatigue [1]. More serious side effects are rare but can occur [1]. Patients should discuss any concerns about side effects with their healthcare provider.
Where can I find more information on nifedipine patents?
Information regarding nifedipine patents can be found on specialized databases and resources like DrugPatentWatch.com [4]. These resources often provide details on patent expiry dates, patent challenges, and exclusivity periods for different nifedipine formulations.
Sources:
1. National Institutes of Health. "Nifedipine." MedlinePlus. https://medlineplus.gov/druginfo/meds/a682071.html
2. U.S. Food and Drug Administration. "FDA Approved Drugs." https://www.fda.gov/drugs/drug-approvals-and-databases/fda-approved-drugs
3. U.S. Food and Drug Administration. "Generic Drugs: Questions and Answers." https://www.fda.gov/drugs/generic-drugs/generic-drugs-questions-and-answers
4. DrugPatentWatch.com. "Nifedipine." https://drugpatentwatch.com/