About
Amlodipine is a dihydropyridine calcium channel blocker primarily used in the management of hypertension and angina pectoris. It works by inhibiting the influx of extracellular calcium ions across the membranes of cardiac and vascular smooth muscle cells. This action leads to vasodilation of peripheral arterioles and coronary arteries, resulting in a reduction in peripheral vascular resistance and myocardial oxygen demand. Its long duration of action allows for once-daily dosing, contributing to improved patient adherence.
The therapeutic effects of amlodipine include a sustained reduction in blood pressure, alleviation of anginal symptoms, and improved exercise tolerance in patients with chronic stable angina. It is well-absorbed orally and undergoes extensive hepatic metabolism. Careful titration of the dose is often necessary to achieve optimal blood pressure control while minimizing potential side effects.
Uses
- Treatment of essential hypertension.
- Management of chronic stable angina.
- Treatment of vasospastic angina (Prinzmetal's angina).
- Used alone or in combination with other antihypertensives.
Directions For Use
Take this medication orally once daily, with or without food, as prescribed by your physician. Swallow the tablet whole.
Benefits
- Effectively lowers blood pressure.
- Reduces frequency of angina attacks.
- Improves exercise capacity.
- Long-acting, once-daily dosing.
- Well-tolerated by many patients.
- Can be used in combination therapy.
Side Effects
- Peripheral edema (swelling of ankles/feet)
- Headache
- Dizziness
- Flushing
- Fatigue
- Palpitations
- Nausea
- Abdominal pain
- Somnolence
- Muscle cramps
- Gingival hyperplasia (rare)
- Hypotension (especially at initiation)
Safety Measures
- Alcohol - Alcohol may enhance the blood pressure-lowering effect of amlodipine, potentially causing dizziness or fainting.
- Pregnancy - Use during pregnancy only if the potential benefit justifies the potential risk to the fetus; consult your doctor.
- Breastfeeding - Amlodipine is excreted in human milk; breastfeeding is not recommended during treatment.
- Liver - Use with caution in patients with impaired hepatic function, as dose adjustment may be necessary.
- Kidney - No dose adjustment is typically required for kidney impairment, but monitor patients with severe renal disease.
- Lung - Generally safe for use in patients with lung conditions; no specific contraindications related to pulmonary function.
Disclaimer
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