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captopril |
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captopril /cap·to·pril/ (kap´to-pril) an angiotensin-converting enzyme inhibitor used in the treatment of hypertension, congestive heart failure, and post–myocardial infarction left ventricular dysfunction.
captopril [kap′tōpril] an angiotensin-converting enzyme inhibitor. indications It is prescribed for the treatment of hypertension and congestive heart failure. contraindication Known sensitivity to this drug prohibits its use. adverse effects Among the most serious adverse reactions are hypotension, proteinuria, renal failure, neutropenia, agranulocytosis, angioneurotic edema, angina, myocardial infarction, Raynaud's disease, cough, hyperkalemia, and congestive heart failure. captopril [kap´to-pril] an angiotensin-converting enzyme inhibitor used, usually with a diuretic, for treatment of hypertension or congestive heart failure in patients who have failed to respond to or developed unacceptable side effects with multiple drug regimens that usually include an adrenergic blocking agent, diuretic, and vasodilator. The most serious adverse reactions associated with its use include proteinuria, neutropenia, and agranulocytosis.
captopril (kap´t n brand name: Capoten;
drug class: angiotensin-converting enzyme; action: dilation of arterial and venous vessels; use: hypertension. captopril an angiotensin-converting enzyme (ACE) inhibitor used as a vasodilator in the treatment of congestive heart failure, mitral regurgitation and hypertension. Now often replaced by newer ACE inhibitors such as enalapril, lisinopril.
captopril Acepril (UK), Apo-Capto (CA), Capoten, Ecopace (UK), Gen-Captopril (CA), Kaplon (UK), Novo-Captopril (CA), Nu-Capto (CA), Tensopril Pharmacologic class: Angiotensin-converting enzyme (ACE) inhibitor Therapeutic class: Antihypertensive Pregnancy risk category C (first trimester), D (second and third trimesters) FDA Boxed Warning• When used during second or third trimester of pregnancy, drug may cause fetal injury and death. Discontinue as soon as possible when pregnancy is detected. ActionPrevents conversion of angiotensin I to angiotensin II, which leads to decreased vasoconstriction and, ultimately, to lower blood pressure. Also decreases blood pressure by increasing plasma renin secretion from kidney and reducing aldosterone secretion from adrenal cortex. Decreased aldosterone secretion prevents sodium and water retention. AvailabilityTablets: 12.5 mg, 25 mg, 50 mg, 100 mg ⊘Indications and dosages ➣ Hypertension Adults: 12.5 to 25 mg P.O. two to three times daily; may be increased up to 150/mg/day at 1- to 2-week intervals. Usual dosage is 50 mg t.i.d. If patient is receiving diuretics, start with 6.25 to 12.5 mg P.O. two to three times daily. If blood pressure isn't adequately controlled after 1 to 2 weeks, add diuretic, as prescribed. If further blood pressure decrease is needed, dosage may be raised to 150 mg P.O. t.i.d. while patient continues on diuretic. Maximum dosage is 450 mg/day. ➣ Heart failure Adults: Usual initial dosage is 25 mg P.O. t.i.d. After increasing to 50 mg P.O. t.i.d. (if indicated), do not increase dosage further for 2 weeks, to determine satisfactory response. Don't exceed 450 mg/day. ➣ Left ventricular dysfunction after myocardial infarction Adults: 6.25 mg P.O. as a test dose, followed by 12.5 mg t.i.d. May increase up to 50 mg t.i.d. ➣ Diabetic nephropathy Adults: 25 mg P.O. t.i.d. Dosage adjustment• Renal impairment Off-label uses• Bartter's syndrome Contraindications• Hypersensitivity to drug or other ACE inhibitors PrecautionsUse cautiously in: Administration• Discontinue other antihypertensives 1 week before starting captopril, if possible.
Adverse reactionsCNS: headache, dizziness, drowsiness, fatigue, weakness, insomnia CV: angina pectoris, tachycardia, hypotension EENT: sinusitis GI: nausea, diarrhea, anorexia GU: proteinuria, erectile dysfunction, decreased libido, gynecomastia, renal failure Hematologic: anemia, agranulocytosis, leukopenia, pancytopenia, thrombocytopenia Metabolic: hyperkalemia Respiratory: cough, asthma, bronchitis, dyspnea, eosinophilic pneumonitis Skin: rash, angioedema Other: altered taste, fever InteractionsDrug-drug. Allopurinol: increased risk of hypersensitivity reaction Antacids: decreased captopril absorption Antihypertensives, general anesthetics that lower blood pressure, nitrates, phenothiazines: additive hypotension Cyclosporine: hyperkalemia Digoxin, lithium: increased blood levels of these drugs, increased risk of toxicity Epoetin alfa: additive hyperkalemia Indomethacin: reduced antihypertensive effect of captopril Nonsteroidal anti-inflammatory drugs: decreased antihypertensive response Potassium-sparing diuretics, potassium supplements: hyperkalemia Probenecid: decreased elimination and increased blood level of captopril Drug-diagnostic tests. Alanine aminotransferase, alkaline phosphatase, aspartate aminotransferase, bilirubin, blood urea nitrogen, creatinine, potassium: increased levels Granulocytes, hemoglobin, platelets, red blood cells, sodium, white blood cells: decreased levels Urine acetone: false-positive result Drug-food. Any food: decreased captopril absorption Salt substitutes containing potassium: hyperkalemia Drug-herbs. Capsaicin, yohimbine: cough Drug-behaviors. Acute alcohol ingestion: additive hypotension Patient monitoring☞ Monitor for sudden blood pressure drop within 3 hours of initial dose if patient is receiving concurrent diuretics and on a low-sodium diet. Patient teaching• Tell patient to take drug 1 hour before meals on empty stomach. Captopril Capoten® Cardiology A short-acting ACE inhibitor used for HTN, in type 1 DM, heart failure, and post-MI Pts with left ventricular dysfunction; long-term administration of captopril is associated with ↑ survival,
and ↓ cardiovascular M&M, possibly attenuating ventricular dilatation and remodeling Warning Angioedema of upper airways Adverse effects Neutropenia, agranulocytosis, proteinuria, rash, pruritus, hypotension, dysgeusia. See ACE inhibitor. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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