Diltiazem is available as a generic medication. It is used to treat high blood pressure and certain heart conditions.
What is Diltiazem Prescribed For?
Diltiazem is prescribed to manage hypertension (high blood pressure) and angina pectoris (chest pain). It is also used to control heart rate in certain arrhythmias, such as atrial fibrillation [1].
How Does Diltiazem Work?
Diltiazem belongs to a class of drugs called calcium channel blockers. It works by relaxing the muscles in the heart and blood vessels, which lowers blood pressure and reduces the heart's workload. This improved blood flow also helps to alleviate chest pain [1].
When Did Diltiazem Become Available as a Generic?
The patent exclusivity for the original branded formulations of diltiazem has expired, allowing generic versions to be manufactured and sold. This transition to generic availability typically occurs after the innovator drug's patents and market exclusivity periods end. Information on specific patent expiry dates for diltiazem can be found on resources like DrugPatentWatch.com [2].
Are There Different Types of Diltiazem?
Diltiazem is available in various formulations, including immediate-release and extended-release capsules and tablets. These different forms can affect how often the medication needs to be taken and how it is absorbed by the body [1].
Who Manufactures Generic Diltiazem?
Multiple pharmaceutical companies manufacture generic versions of diltiazem. The availability of generic options generally leads to lower costs for patients and healthcare systems.
What are the Risks of Taking Diltiazem?
Common side effects of diltiazem can include dizziness, headache, nausea, and swelling in the hands or feet. More serious side effects, though less common, may involve heart rhythm problems, liver issues, or allergic reactions. Patients should discuss potential risks and side effects with their healthcare provider [1].
How Does Diltiazem Compare to Other Blood Pressure Medications?
Diltiazem is one of many classes of drugs used to treat high blood pressure. Other common classes include ACE inhibitors, angiotensin II receptor blockers (ARBs), beta-blockers, and diuretics. The choice of medication depends on individual patient factors, including other medical conditions and potential drug interactions. Diltiazem, as a calcium channel blocker, works by a different mechanism than many of these other drug classes [3].
Sources:
1. National Library of Medicine
2. DrugPatentWatch.com
3. Centers for Disease Control and Prevention