Monograph Details
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Cardiovascular System
> Angina
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TIAZAC |
| Manufacturer |
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Forest Laboratories |
| Legal Classification |
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Rx
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| Pharmacological Class |
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Calcium channel blocker (benzothiazepine). |
| Generic Name |
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Diltiazem HCl 120mg, 180mg, 240mg, 300mg, 360mg, 420mg; ext rel beads in caps. |
| Indications |
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Chronic stable angina. |
| Children |
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Not recommended. |
| Adults |
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May sprinkle contents on applesauce; do not crush or chew contents. Initially 120–180mg once daily; adjust at 1–2 week intervals; usual max 540mg/day. |
| Contraindications |
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Sick sinus syndrome, 2nd- or 3rd-degree AV block, unless paced. Severe hypotension. Acute MI and pulmonary congestion documented by X-ray on admission. |
| Precautions |
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Heart failure. Hypotension. Impaired renal or hepatic function. Monitor liver function. Discontinue if persistent rash occurs. Pregnancy (Cat.C). Nursing mothers: not recommended. |
| Interactions |
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Digoxin and β-blockers may lead to AV block. Serum propranolol, carbamazepine levels may be increased. Potentiation with cimetidine. Monitor digoxin, cyclosporine. Anesthetics may potentiate cardiac depression. |
| Adverse Reactions |
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Headache, pain, dizziness, edema, asthenia, bradycardia, dyspepsia, dyspnea, bronchitis, AV block; CHF, liver abnormalities (rare). |
| How Supplied |
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Caps—30, 90, 1000 |
| Additional Resources |
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• Related Prescribing Note |
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