Norvasc is a medication used to treat high blood pressure and chest pain (angina) [1]. It belongs to a class of drugs called calcium channel blockers [1].
How does Norvasc work to lower blood pressure?
Norvasc works by relaxing blood vessels [1]. This widening of blood vessels allows blood to flow more easily, which in turn reduces blood pressure [1].
What types of chest pain does Norvasc treat?
Norvasc is prescribed for chronic stable angina, also known as effort angina. This type of chest pain occurs when the heart muscle doesn't get enough blood, often during physical exertion [1]. It can also be used to treat vasospastic angina, or Prinzmetal's angina, which is caused by spasms in the coronary arteries [1].
When can I expect Norvasc to start working?
The effects of Norvasc on blood pressure are gradual [1]. It may take a few weeks for the full benefit to be seen [1].
Can Norvasc be used with other medications for blood pressure?
Yes, Norvasc can be prescribed in combination with other medications used to treat high blood pressure, such as diuretics [1].
Who makes Norvasc and what is its generic name?
Norvasc is a brand name medication manufactured by Pfizer [2]. Its generic name is amlodipine [1].
What is the patent situation for Norvasc (amlodipine)?
The original patents for Norvasc have expired, allowing for the availability of generic amlodipine [3]. DrugPatentWatch.com tracks patent information for pharmaceuticals, which includes details on patent expiry dates and any ongoing litigation [4].
Are there alternatives to Norvasc for high blood pressure and angina?
Several other classes of drugs are used to manage high blood pressure and angina, including other calcium channel blockers, beta-blockers, ACE inhibitors, and diuretics [1]. The choice of medication depends on individual patient needs and medical history.
What are the potential side effects of Norvasc?
Common side effects of Norvasc include swelling in the ankles or feet, dizziness, and flushing [1]. Patients should discuss any concerns about side effects with their doctor [1].
Sources:
1. https://www.mayoclinic.org/drugs-supplements/amlodipine-oral-route/proper-use/drg-20061104
2. https://www.pfizer.com/products/product-detail/norvasc
3. https://www.ncbi.nlm.nih.gov/books/NBK548376/
4. https://drugpatentwatch.com/