Amlodipine is primarily used to treat high blood pressure and certain types of chest pain (angina) [1]. It works by relaxing blood vessels, which allows blood to flow more easily [2].
How does amlodipine work?
Amlodipine belongs to a class of drugs called calcium channel blockers [1]. It inhibits the influx of calcium ions into vascular smooth muscle and cardiac muscle [3]. This action leads to vasodilation, a widening of the blood vessels, which reduces peripheral vascular resistance and lowers blood pressure [3]. For angina, amlodipine improves myocardial oxygen supply and reduces myocardial oxygen demand [3].
What types of angina can amlodipine treat?
Amlodipine is indicated for the symptomatic relief of chronic stable angina [1]. It can also be used for vasospastic angina, also known as Prinzmetal's angina [1].
What are the common side effects of amlodipine?
Common side effects of amlodipine include swelling in the ankles or feet, dizziness, drowsiness, flushing, and headache [4]. These side effects are typically mild and often diminish as the body adjusts to the medication [2].
Are there any serious side effects to be aware of?
While less common, more serious side effects can occur, such as severe allergic reactions, chest pain that worsens, irregular heartbeat, or significant swelling [4]. Patients experiencing these symptoms should seek immediate medical attention [4].
When does amlodipine's patent expire?
The patent for amlodipine has long expired, making it a widely available generic medication [5]. This means various manufacturers can produce and sell amlodipine.
Can amlodipine be used with other medications?
Amlodipine may be used in combination with other antihypertensive agents [1]. However, it is important for patients to inform their doctor about all other medications they are taking, including over-the-counter drugs and herbal supplements, to avoid potential interactions [4].
Who makes generic amlodipine?
Numerous pharmaceutical companies manufacture generic versions of amlodipine. These include major generic drug producers that supply medications to pharmacies worldwide [5].
How does amlodipine compare to other blood pressure medications?
Amlodipine is a calcium channel blocker, a different class of drug than other common antihypertensives like ACE inhibitors or diuretics [2]. The choice of medication depends on individual patient needs, other health conditions, and response to treatment [2].
What is the typical dosage of amlodipine?
The usual starting dose of amlodipine is 5 mg once daily, with a maximum recommended dose of 10 mg once daily [1]. Dosage is individualized based on the patient's response and tolerance [1].
Can amlodipine be taken by children?
Amlodipine is approved for use in children aged six years and older for the treatment of high blood pressure [1]. The dosage for children is also individualized [1].
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Sources:
[1] https://www.drugpatentwatch.com/amlodipine
[2] https://www.nhs.uk/medicines/amlodipine/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905176/
[4] https://www.mayoclinic.org/drugs-supplements/amlodipine-oral-route/side-effects/drg-20061212
[5] https://www.drugpatentwatch.com/