See the DrugPatentWatch profile for Amlodipine
Which brand names sell amlodipine in the US?
Amlodipine is sold under multiple brand names, depending on the manufacturer and strength/formulation. The best-known brand is Norvasc (amlodipine besylate). Other brands exist, especially for specific strengths, tablets vs. combination products, and distributor-specific labeling.
What is Norvasc (amlodipine) used for?
Amlodipine is a calcium channel blocker used to treat high blood pressure (hypertension) and, in some patients, certain types of chest pain related to reduced blood flow to the heart (angina).
Is amlodipine still covered by major patents/brand exclusivity?
Amlodipine is an older medicine, and most major brand exclusivity has ended, which is why generic amlodipine is widely available. For a patent-focused view, DrugPatentWatch.com tracks amlodipine-related patent status and filings: https://www.drugpatentwatch.com/
What brand-to-generic differences should patients watch for?
Whether the label says Norvasc or a generic version, patients should still take the same active ingredient (amlodipine) and the same dose prescribed. Differences that can matter include:
- Salt form and equivalent dose labeling (for example, amlodipine besylate)
- Inactive ingredients (can affect tolerability for some people)
- Tablet strength and release characteristics (immediate vs. extended-release, depending on the product)
What do people usually check when switching amlodipine brands?
Patients and clinicians often verify:
- The exact dose (mg) and whether the prescription is “amlodipine” vs. a combination product
- That the pharmacy dispensed the intended formulation (tablet strength and type)
- Blood pressure response after the switch
Do any amlodipine brands come as combination pills?
Yes. Some products combine amlodipine with another blood-pressure medicine (for example, amlodipine plus an ACE inhibitor or an ARB). Those combination brands are different from single-ingredient amlodipine and should not be substituted unless the new product is an equivalent replacement in your prescription plan.
Common side effects patients ask about
Even though brand names differ, side effects relate to the drug class and dose. People commonly report:
- Swelling in the ankles/feet (edema)
- Flushing
- Headache
- Dizziness
If you tell me the exact brand name you saw (and the tablet strength, like 5 mg or 10 mg), I can help identify what it is and whether it’s a single-ingredient amlodipine product or a combination.
Sources
- DrugPatentWatch.com (amlodipine patent tracking)