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Diltiazem: Uses, Dosage, Side Effects, and More
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Diltiazem Hydrochloride is a prescription medication used to treat high blood pressure, chest pain (angina), and certain heart rhythm disorders, such as atrial fibrillation or flutter. It relaxes the heart and blood vessel muscles, improving blood flow and lowering blood pressure. Available in immediate- and extended-release forms, Cardizem may be prescribed alone or with other cardiovascular medications.
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Controlled Substance Warning
Diltiazem Hydrochloride is not a controlled substance. It must be taken exactly as directed and not stopped abruptly, as this may raise blood pressure or worsen angina. Patients should inform their doctor of all other medications, as Cardizem can interact with certain medications used to treat heart conditions, high blood pressure, and high cholesterol.
Drug Facts
Generic Name
Diltiazem Hydrochloride
Brand Names
Cardizem, Cardizem CD, Cardizem LA, Cartia XT, Tiazac
Drug Type
Calcium channel blocker (antihypertensive, antianginal, antiarrhythmic)
Dosage Forms
Tablets (immediate-release), capsules (extended-release), intravenous (IV) solution.
Typical Dosage
- Hypertension (oral): 180–240 mg once daily; may be increased gradually up to 480 mg daily as needed.
- Angina (chronic stable or variant): 120–180 mg once daily, adjusted by response.
- Arrhythmias (IV): Initial dose 0.25 mg/kg IV over 2 minutes, followed by 0.35 mg/kg if needed, then continuous infusion as directed by a healthcare provider.
- Dosing may vary depending on formulation and patient response.
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Disclaimer
The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.
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