Source:http://www4.wiwiss.fu-berlin.de/dailymed/resource/drugs/418
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Capozide (Tablet)
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DOSAGE MUST BE INDIVIDUALIZED ACCORDING TO PATIENT'S RESPONSE. CAPOZIDE may be substituted for the previously titrated individual components. Alternatively, therapy may be instituted with a single tablet of CAPOZIDE 25 mg/15 mg taken once daily. For patients insufficiently responsive to the initial dose, additional captopril or hydrochlorothiazide may be added as individual components or by using CAPOZIDE 50 mg/15 mg, 25 mg/25 mg or 50 mg/25 mg, or divided doses may be used. Because the full effect of a given dose may not be attained for six to eight weeks, dosage adjustments should generally be made at six-week intervals, unless the clinical situation demands more rapid adjustment. In general, daily doses of captopril should not exceed 150 mg and of hydrochlorothiazide should not exceed 50 mg. CAPOZIDE should be taken one hour before meals. Dosage Adjustment in Renal Impairment: Because captopril and hydrochlorothiazide are excreted primarily by the kidneys, excretion rates are reduced in patients with impaired renal function. These patients will take longer to reach steady-state captopril levels and will reach higher steady-state levels for a given daily dose than patients with normal renal function. Therefore, these patients may respond to smaller or less frequent doses of CAPOZIDE. After the desired therapeutic effect has been achieved, the dose intervals should be increased or the total daily dose reduced until the minimal effective dose is achieved. When concomitant diuretic therapy is required in patients with severe renal impairment, a loop diuretic (eg, furosemide), rather than a thiazide diuretic is preferred for use with captopril; therefore, for patients with severe renal dysfunction the captopril and hydrochlorothiazide combination tablet isnot usually recommended.
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CAPOZIDE (captopril and hydrochlorothiazide tablets, USP) for oral administration combines two antihypertensive agents: captopril and hydrochlorothiazide. Captopril, the first of a new class of antihypertensive agents, is a specific competitive inhibitor of angiotensin I-converting enzyme (ACE), the enzyme responsible for the conversion of angiotensin I to angiotensin II. Hydrochlorothiazide is a benzothiadiazide (thiazide) diuretic-antihypertensive. CAPOZIDE tablets are available in four combinations of captopril with hydrochlorothiazide: 25 mg with 15 mg, 25 mg with 25 mg, 50 mg with 15 mg, and 50 mg with 25 mg. Inactive ingredients: microcrystalline cellulose, colorant (FD&C Yellow No. 6), lactose, magnesium stearate, pregelatinized starch, and stearic acid. Captopril is designated chemically as 1-[(2S)-3-mercapto-2-methylpropionyl]-L-proline; hydrochlorothiazide is 6-Chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Graphic formulas: Captopril is a white to off-white crystalline powder that may have a slight sulfurous odor; it is soluble in water (approx. 160 mg/mL), methanol, and ethanol and sparingly soluble in chloroform and ethyl acetate. Hydrochlorothiazide is a white crystalline powder slightly soluble in water but freely soluble in sodium hydroxide solution.
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Captopril:<br/>Mechanism of Action: The mechanism of action of captopril has not yet been fully elucidated. Its beneficial effects in hypertension and heart failure appear to result primarily from suppression of the renin-angiotensin-aldosterone system. However, there is no consistent correlation between renin levels and response to the drug. Renin, an enzyme synthesized by the kidneys, is released into the circulation where it acts on a plasma globulin substrate to produce angiotensin I, a relativelyinactive decapeptide. Angiotensin I is then converted by angiotensin converting enzyme (ACE) to angiotensin II, a potent endogenous vasoconstrictor substance. Angiotensin II also stimulates aldosterone secretion from the adrenal cortex, thereby contributing to sodium and fluid retention. Captopril prevents the conversion of angiotensin I to angiotensin II by inhibition of ACE, a peptidyldipeptide carboxy hydrolase. This inhibition has been demonstrated in both healthy human subjects and in animals by showing that the elevation of blood pressure caused by exogenously administered angiotensin I was attenuated or abolished by captopril. In animal studies, captopril did not alter the pressor responses to a number of other agents, including angiotensin II and norepinephrine, indicating specificity of action. ACE is identical to���bradykininase���, and captopril may also interfere with the degradation of the vasodepressor peptide, bradykinin. Increased concentrations of bradykinin or prostaglandin Emay also have a role in the therapeutic effect of captopril. Inhibition of ACE results in decreased plasma angiotensin II and increased plasma renin activity (PRA), the latter resulting from loss of negative feedback on renin release caused by reduction in angiotensin II. The reduction of angiotensin II leads to decreased aldosterone secretion, and, as a result, small increases in serum potassium may occur along with sodium and fluid loss. The antihypertensive effects persist for a longer period of time than does demonstrable inhibition of circulating ACE. It is not known whether the ACE present in vascular endothelium is inhibited longer than the ACE in circulating blood.<br/>Pharmacokinetics: After oral administration of therapeutic doses of captopril, rapid absorption occurs with peak blood levels at about one hour. The presence of food in the gastrointestinal tract reduces absorption by about 30 to 40 percent; captopril therefore should be given one hour before meals. Based on carbon-14 labeling, average minimal absorption is approximately 75 percent. In a 24-hour period, over 95 percent of the absorbed dose iseliminated in the urine; 40 to 50 percent is unchanged drug; most of the remainder is the disulfide dimer of captopril and captopril-cysteine disulfide. Approximately 25 to 30 percent of the circulating drug is bound to plasma proteins. The apparent elimination half-life for total radioactivity in blood is probably less than three hours. An accurate determination of half-life of unchanged captopril is not, at present, possible, but it is probably less than two hours. In patients withrenal impairment, however, retention of captopril occurs .<br/>Pharmacodynamics: Administration of captopril results in a reduction of peripheral arterial resistance in hypertensive patients with either no change, or an increase, in cardiac output. There is an increase in renal blood flow following administration of captopril and glomerular filtration rate is usually unchanged. In patients with heart failure, significantly decreased peripheral (systemic vascular) resistance and blood pressure (afterload), reduced pulmonary capillary wedge pressure (preload) and pulmonary vascular resistance, increased cardiac output, and increased exercise tolerance time (ETT) have been demonstrated. Reductions of blood pressure are usually maximal 60 to 90 minutes after oral administration of an individual dose of captopril. The duration of effect is dose related and is extended in the presence of a thiazide-type diuretic. The full effect of a given dose may not be attained for six to eight weeks . The blood pressure lowering effects of captopril and thiazide-type diuretics are additive. In contrast, captopril and beta-blockers have a less than additive effect. Blood pressure is lowered to about the same extent in both standing and supine positions. Orthostatic effects and tachycardia are infrequent but may occur in volume-depleted patients. Abrupt withdrawal of captopril has not been associated with a rapid increase in blood pressure. Studies in rats and cats indicate that captopril does not cross the blood-brain barrier to any significant extent.<br/>Hydrochlorothiazide: Thiazides affect the renal tubular mechanism of electrolyte reabsorption. At maximal therapeutic dosage all thiazides are approximately equal in their diuretic potency. Thiazides increase excretion of sodium and chloride in approximately equivalent amounts. Natriuresis causes a secondary loss of potassium and bicarbonate. The mechanism of the antihypertensive effect of thiazides is unknown. Thiazides do not affect normal blood pressure. The mean plasma half-life of hydrochlorothiazide in fasted individuals has been reported to be approximately 2.5 hours. Onset of diuresis occurs in two hours and the peak effect at about four hours. Its action persists for approximately 6 to 12 hours. Hydrochlorothiazide is eliminated rapidly by the kidney.
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Captopril: This product is contraindicated in patients who are hypersensitive to captopril or any other angiotensin-converting enzyme inhibitor (eg, a patient who has experienced angioedema during therapy with any other ACE inhibitor).<br/>Hydrochlorothiazide: Hydrochlorothiazide is contraindicated in anuria. It is also contraindicated in patients who have previously demonstrated hypersensitivity to hydrochlorothiazide or other sulfonamide-derived drugs.
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CAPOZIDE (captopril and hydrochlorothiazide tablets, USP) 25 mg captopril combined with 15 mg hydrochlorothiazide in bottles of 100 (NDC 49884-815-01). Tablets are white with distinct orange mottling; they are biconvex rounded squares with quadrisect bars. 25 mg captopril combined with 25 mg hydrochlorothiazide in bottles of 100 (NDC 49884-816-01). Tablets are peach-colored and may show slight mottling; they are biconvex rounded squares with quadrisect bars. 50 mg captopril combined with 15 mg hydrochlorothiazide in bottles of 100 (NDC 49884-817-01). Tablets are white with distinct orange mottling; they are biconvex ovals with a bisect bar. 50 mg captopril combined with 25 mg hydrochlorothiazide in bottles of 100 (NDC 49884-818-01). Tablets are peach-colored and may show slight mottling; they are biconvex ovals with a bisect bar.<br/>STORAGE: Keep bottles tightly closed (protect from moisture); do not store above 30��C (86��F).
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USE IN PREGNANCY: When used in pregnancy during the second and third trimesters, ACE inhibitors can cause injury and even death to the developing fetus. When pregnancy is detected, CAPOZIDE should be discontinued as soon as possible. See WARNINGS: Captopril: Fetal/Neonatal Morbidity and Mortality.
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General:<br/>Captopril:<br/>Hydrochlorothiazide:<br/>Information for Patients: Patients should be advised to immediately report to their physician any signs or symptoms suggesting angioedema (eg, swelling of face, eyes, lips, tongue, larynx, and extremities; difficulty in swallowing or breathing; hoarseness) and to discontinue therapy (see WARNINGS: Captopril: Anaphylactoid and Possibly Related Reactions: Head and Neck Angioedema and Intestinal Angioedema). Patients should be told to report promptly any indication of infection (eg, sore throat, fever), which may be a sign of neutropenia, or of progressive edema which might be related to proteinuria and nephrotic syndrome. All patients should be cautioned that excessive perspiration and dehydration may lead to an excessive fall in blood pressure because of reduction in fluid volume. Other causes of volume depletion such as vomiting or diarrhea may also lead to a fall in blood pressure; patients should be advised to consult with the physician. Patients should be advised not to use potassium-sparing diuretics, potassium supplements or potassium-containing salt substitutes without consulting their physician . Patients should be warned against interruption or discontinuation of medication unless instructed by the physician. Heart failure patients on captopril therapy should be cautioned against rapid increases in physical activity. Patients should be informed that CAPOZIDE should be taken one hour before meals . Pregnancy: Female patients of childbearing age should be told about the consequences of second- and third-trimester exposure to ACE inhibitors, and they should also be told that these consequences do not appear to have resulted from intrauterine ACE-inhibitor exposure that has been limited to the first trimester. These patients should be asked to report pregnancies to their physicians as soon as possible.<br/>Laboratory Tests: Serum electrolyte levels should be regularly monitored .<br/>Drug Interactions:<br/>Captopril:<br/>Hydrochlorothiazide: When administered concurrently, the following drugs may interact with thiazide diuretics: Alcohol, barbiturates, or narcotics: potentiation of orthostatic hypotension may occur. Amphotericin B, corticosteroids, or corticotropin (ACTH): may intensify electrolyte imbalance, particularly hypokalemia. Monitor potassium levels; use potassium replacements if necessary. Anticoagulants (oral): dosage adjustments of anticoagulant medication may be necessary since hydrochlorothiazide may decrease their effects. Antigout medications: dosage adjustments of antigout medication may be necessary since hydrochlorothiazide may raise the level of blood uric acid. Other antihypertensive medications (eg, ganglionic or peripheral adrenergic blocking agents): dosage adjustments may be necessary since hydrochlorothiazide may potentiate their effects. Antidiabetic drugs (oral agents and insulin): since thiazides may elevate blood glucose levels, dosage adjustments of antidiabetic agents may be necessary. Calcium salts: increased serum calcium levels due to decreased excretion may occur. If calcium must be prescribed monitor serum calcium levels and adjust calcium dosage accordingly. Cardiac glycosides: enhanced possibility of digitalis toxicity associated with hypokalemia. Monitor potassium levels . Cholestyramine and colestipol resins: absorption of hydrochlorothiazide is impaired in the presence of anionic exchange resins. Single doses of either cholestyramine or colestipol resins bind the hydrochlorothiazide and reduce its absorption from the gastrointestinal tract by up to 85 and 43 percent, respectively. Diazoxide: enhanced hyperglycemic, hyperuricemic, and antihypertensive effects. Be cognizant of possible interaction; monitor blood glucose and serum uric acid levels. Lithium: diuretic agents reduce the renal clearance of lithium and increase the risk of lithium toxicity. These drugs should be coadministered with caution and frequent monitoring of serum lithium levels is recommended . MAO inhibitors: dosage adjustments of one or both agents may be necessary since hypotensive effects are enhanced. Nondepolarizing muscle relaxants, preanesthetics and anesthetics used in surgery (eg, tubocurarine chloride and gallamine triethiodide): effects of these agents may be potentiated; dosage adjustments may be required. Monitor and correct any fluid and electrolyte imbalances prior to surgery if feasible. Nonsteroidal anti-inflammatory agents: in some patients, the administration of a nonsteroidal anti-inflammatory agent can reduce the diuretic, natriuretic, and antihypertensive effect of loop, potassium-sparing or thiazide diuretics. Therefore, when hydrochlorothiazide and nonsteroidal anti-inflammatory agents are used concomitantly, the patient should be observed closely to determine if the desired effect of the diuretic is obtained. Methenamine: possible decreased effectiveness due to alkalinization of the urine. Pressor amines (eg, norepinephrine): decreased arterial responsiveness, but not sufficient to preclude effectiveness of the pressor agent for therapeutic use. Use caution in patients taking both medications who undergo surgery. Administer preanesthetic and anesthetic agents in reduced dosage, and if possible, discontinue hydrochlorothiazide therapy one week prior to surgery. Probenecid or sulfinpyrazone: increased dosage of these agents may be necessary since hydrochlorothiazide may have hyperuricemic effects.<br/>Drug/Laboratory Test Interactions:<br/>Captopril: Captopril may cause a false-positive urine test for acetone.<br/>Hydrochlorothiazide: Hydrochlorothiazide may cause diagnostic interference of the bentiromide test.<br/>Carcinogenesis, Mutagenesis, Impairment of Fertility: Carcinogenicity and fertility studies have not been conducted with CAPOZIDE, however, in animals they have been conducted with the individual components as noted below. Mutagenicity studies indicate that captopril in a 2:1 combination with hydrochlorothiazide was not mutagenic or clastogenic, with or without metabolic activation, in the following in vitro assays: 1)Ames reverse-mutation in Salmonella; 2) forward mutation study in Saccharomyces pombe; 3) mitotic gene conversion test in Saccharomyces cerevisiae; and 4) sister-chromatid-exchange study in human lymphocytes. In a cytogenetics study using human lymphocytes, there were no increases in chromosomal abnormalities without metabolic activation, nor with metabolic activation at 28 hours post-treatment. A statistically significant increase was found at 22 hours with metabolic activation at the three concentrations tested (captopril/hydrochlorothiazide in a 2:1 combination at 5, 25, 50 mcg/mL total weight); however, there was no dose response, and the difference is probably attributable to the unusual absence of any abnormalities in the negative-control cultures in this test. In an oral micronucleus study in mice, the captopril/hydrochlorothiazide combination (2:1 mixture at 2500 mg/kg total weight) was not genotoxic.<br/>Captopril: Two-year studies with doses of 50 to 1350 mg/kg/day in mice and rats failed to show any evidence of carcinogenic potential. Studies in rats have revealed no impairment of fertility.<br/>Hydrochlorothiazide: Two-year feeding studies in mice and rats conducted under the auspices of the National Toxicology Program (NTP) uncovered no evidence of a carcinogenic potential of hydrochlorothiazide in female mice (at doses of up to approximately 600 mg/kg/day) or in male and female rats (at doses of up to approximately 100 mg/kg/day). The NTP, however, found equivocal evidence for hepatocarcinogenicity in male mice. Hydrochlorothiazide was not genotoxic in in vitro assays using strains TA 98, TA 100, TA 1535, TA 1537, and TA 1538 of Salmonella typhimurium (Ames assay) and in the Chinese Hamster Ovary (CHO) test for chromosomal aberrations, or in in vivo assays using mouse germinal cell chromosomes, Chinese hamster bone marrow chromosomes, and the Drosophila sex linked recessive lethal trait gene. Positive test results were obtained only in the in vitro CHO Sister Chromatid Exchange (clastogenicity) and in the Mouse Lymphoma Cell (mutagenicity) assays, using concentrations of hydrochlorothiazide from 43 to 1300 mcg/mL, and in the Aspergillus nidulans non-disjunction assay at an unspecified concentration. Hydrochlorothiazide had no adverse effects on the fertility of mice and rats of either sex in studies wherein these species were exposed, via their diet, to doses of up to 100 and 4 mg/kg, respectively, prior to conception and throughout gestation.<br/>Animal Toxicology: Captopril: Chronic oral toxicity studies were conducted in rats (2 years), dogs (47 weeks; 1 year), mice (2 years), and monkeys (1 year). Significant drug-related toxicity included effects on hematopoiesis, renal toxicity, erosion/ulceration of the stomach, and variation of retinal blood vessels. Reductions in hemoglobin and/or hematocrit values were seen in mice, rats, and monkeys at doses 50 to 150 times the maximum recommended human dose (MRHD). Anemia, leukopenia, thrombocytopenia, and bone marrow suppression occurred in dogs at doses 8 to 30 times MRHD. The reductions in hemoglobin and hematocrit values in rats and mice were only significant at 1 year and returned to normal with continued dosing by the end of the study. Marked anemia was seen at all dose levels (8 to 30 times MRHD) in dogs, whereas moderate to marked leukopenia was noted only at 15 and 30 times MRHD and thrombocytopenia at 30 times MRHD. The anemia could be reversed upon discontinuation of dosing. Bone marrow suppression occurred to a varying degree, being associated only with dogs that died or were sacrificed in a moribund condition in the 1-year study. However, in the 47-week study at a dose 30 times MRHD, bone marrow suppression was found to be reversible upon continued drug administration. Captopril caused hyperplasia of the juxtaglomerular apparatus of the kidneys at doses 7 to 200 times the MRHD in rats and mice, at 20 to 60 times MRHD in monkeys, and at 30 times the MRHD in dogs. Gastric erosions/ulcerations were increased in incidence at 20 and 200 times MRHD in male rats and at 30 and 65 times MRHD in dogs and monkeys, respectively. Rabbits developed gastric and intestinal ulcers when given oral doses approximately 30 times MRHD for only five to seven days. In the two-year rat study, irreversible and progressive variations in the caliber of retinal vessels (focal sacculations and constrictions) occurred at all dose levels (7 to 200 times MRHD) in a dose-related fashion. The effect was first observed in the 88th week of dosing, with a progressively increased incidence thereafter, even after cessation of dosing.<br/>Pregnancy Categories C (first trimester) and D (second and third trimesters): See WARNINGS: Captopril: Fetal/Neonatal Morbidity and Mortality.<br/>Pregnancy���Nonteratogenic Effects:<br/>Hydrochlorothiazide: Thiazides cross the placental barrier and appear in cord blood. The use of thiazides in pregnant women requires that the anticipated benefit be weighed against possible hazards to the fetus. These hazards include fetal or neonatal jaundice, thrombocytopenia, and possibly other adverse reactions which have occurred in the adult.<br/>Nursing Mothers: Both captopril and hydrochlorothiazide are excreted in human milk. Because of the potential for serious adverse reactions in nursing infants from both drugs, a decision should be made whether to discontinue nursing or to discontinue therapy taking into account the importance of CAPOZIDE to the mother .<br/>Pediatric Use: Safety and effectiveness in pediatric patients have not been established. There is limited experience reported in the literature with the use of captopril in the pediatric population; dosage, on a weight basis, was generally reported to be comparable to or less than that used in adults. Infants, especially newborns, may be more susceptible to the adverse hemodynamic effects of captopril. Excessive, prolonged and unpredictable decreases in blood pressure and associated complications, including oliguria and seizures, have been reported. CAPOZIDE should be used in pediatric patients only if other measures for controlling blood pressure have not been effective.
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Captopril: Correction of hypotension would be of primary concern. Volume expansion with an intravenous infusion of normal saline is the treatment of choice for restoration of blood pressure. While captopril may be removed from the adult circulation by hemodialysis, there is inadequate data concerning the effectiveness of hemodialysis for removing it from the circulation of neonates or children. Peritoneal dialysis is not effective for removing captopril; there is no information concerning exchange transfusion for removing captopril from the general circulation.<br/>Hydrochlorothiazide: In addition to the expected diuresis, overdosage of thiazides may produce varying degrees of lethargy which may progress to coma within a few hours, with minimal depression of respiration and cardiovascular function and without evidence of serum electrolyte changes or dehydration. The mechanism of thiazide-induced CNS depression is unknown. Gastrointestinal irritation and hypermotility may occur. Transitory increase in BUN has been reported, and serum electrolyte changes may occur, especially in patients with impaired renal function. In addition to gastric lavage and supportive therapy for stupor or coma, symptomatic treatment of gastrointestinal effects may be needed. The degree to which hydrochlorothiazide is removed by hemodialysis has not been clearly established. Measures as required to maintain hydration, electrolyte balance, respiration, and cardiovascular and renal function should be instituted.
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captopril and hydrochlorothiazide
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Capozide (Tablet)
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Captopril: Reported incidences are based on clinical trials involving approximately 7000 patients. Renal: About one of 100 patients developed proteinuria . Each of the following has been reported in approximately 1 to 2 of 1000 patients and are of uncertain relationship to drug use: renal insufficiency, renal failure, nephrotic syndrome, polyuria, oliguria, and urinary frequency. Hematologic: Neutropenia/agranulocytosis has occurred . Cases of anemia, thrombocytopenia, and pancytopenia have been reported. Dermatologic: Rash, often with pruritus, and sometimes with fever, arthralgia, and eosinophilia, occurred in about 4 to 7 (depending on renal status and dose) of 100 patients, usually during the first four weeks of therapy. It is usually maculopapular, and rarely urticarial. The rash is usually mild and disappears within a few days of dosage reduction, short-term treatment with an antihistaminic agent, and/or discontinuing therapy; remission may occur even if captopril is continued. Pruritus, without rash, occurs in about 2 of 100 patients. Between 7 and 10 percent of patients with skin rash have shown eosinophilia and/or positive ANA titers. A reversible associated pemphigoid-like lesion, and photosensitivity, have also been reported. Flushing or pallor has been reported in 2 to 5 of 1000 patients. Cardiovascular: Hypotension may occur; see WARNINGS and PRECAUTIONS: Drug Interactions for discussion of hypotension with captopril therapy. Tachycardia, chest pain, and palpitations have each been observed in approximately 1 of 100 patients. Angina pectoris, myocardial infarction, Raynaud syndrome, and congestive heart failure have each occurred in 2 to 3 of 1000 patients. Dysgeusia: Approximately 2 to 4 (depending on renal status and dose) of 100 patients developed a diminution or loss of taste perception. Taste impairment is reversible and usually self-limited (2 to 3 months) even with continued drug administration. Weight loss may be associated with the loss of taste. Angioedema: Angioedema involving the extremities, face, lips, mucous membranes, tongue, glottis or larynx has been reported in approximately 1 in 1000 patients. Angioedema involving the upper airways has caused fatal airway obstruction. Cough: Cough has been reported in 0.5 to 2 percent of patients treated with captopril in clinical trials . The following have been reported in about 0.5 to 2 percent of patients but did not appear at increased frequency compared to placebo or other treatments used in controlled trials: gastric irritation, abdominal pain, nausea, vomiting, diarrhea, anorexia, constipation, aphthous ulcers, peptic ulcer, dizziness, headache, malaise, fatigue, insomnia, dry mouth, dyspnea, alopecia, paresthesias. Other clinical adverse effects reported since the drug was marketed are listed below by body system. In this setting, an incidence or causal relationship cannot be accurately determined. Body as a whole: anaphylactoid reactions . General: asthenia, gynecomastia. Cardiovascular: cardiac arrest, cerebrovascular accident/insufficiency, rhythm disturbances, orthostatic hypotension, syncope. Dermatologic: bullous pemphigus, erythema multiforme (including Stevens-Johnson syndrome), exfoliative dermatitis. Gastrointestinal: pancreatitis, glossitis, dyspepsia. Hematologic: anemia, including aplastic and hemolytic. Hepatobiliary: jaundice, hepatitis, including rare cases of necrosis, cholestasis. Metabolic: symptomatic hyponatremia. Musculoskeletal: myalgia, myasthenia. Nervous/Psychiatric: ataxia, confusion, depression, nervousness, somnolence. Respiratory: bronchospasm, eosinophilic pneumonitis, rhinitis. Special Senses: blurred vision. Urogenital: impotence. As with other ACE inhibitors, a syndrome has been reported which may include: fever, myalgia, arthralgia, interstitial nephritis, vasculitis, rash or other dermatologic manifestations, eosinophilia, and an elevated ESR.<br/>Fetal/Neonatal Morbidity and Mortality: See WARNINGS: Captopril: Fetal/Neonatal Morbidity and Mortality.<br/>Hydrochlorothiazide: Gastrointestinal System: anorexia, gastric irritation, nausea, vomiting, cramping, diarrhea, constipation, jaundice (intrahepatic cholestatic jaundice), pancreatitis, and sialadenitis. Central Nervous System: dizziness, vertigo, paresthesias, headache, and xanthopsia. Hematologic: leukopenia, agranulocytosis, thrombocytopenia, aplastic anemia, and hemolytic anemia. Cardiovascular: orthostatic hypotension. Hypersensitivity: purpura, photosensitivity, rash, urticaria, necrotizing angiitis (vasculitis; cutaneous vasculitis), fever, respiratory distress including pneumonitis, and anaphylactic reactions. Other: hyperglycemia, glycosuria, hyperuricemia, muscle spasm, weakness, restlessness, and transient blurred vision. Whenever adverse reactions are moderate or severe, thiazide dosage should be reduced or therapy withdrawn.<br/>Altered Laboratory Findings: Serum Electrolytes: Hyperkalemia: small increases in serum potassium, especially in patients with renal impairment . Hyponatremia: particularly in patients receiving a low sodium diet or concomitant diuretics. BUN/Serum Creatinine: transient elevations of BUN or serum creatinine especially in volume- or salt-depleted patients or those with renovascular hypertension may occur. Rapid reduction of longstanding or markedly elevated blood pressure can result in decreases in the glomerular filtration rate and, in turn, lead to increases in BUN or serum creatinine. Hematologic: a positive ANA has been reported. Liver Function Tests: elevations of liver transaminases, alkaline phosphatase, and serum bilirubin have occurred.
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CAPOZIDE is indicated for the treatment of hypertension. The blood pressure lowering effects of captopril and thiazides are approximately additive. This fixed combination drug may be used as initial therapy or substituted for previously titrated doses of the individual components. When captopril and hydrochlorothiazide are given together it may not be necessary to administer captopril in divided doses to attain blood pressure control at trough (before the next dose). Also, with such a combination, a daily dose of 15 mg of hydrochlorothiazide may be adequate. Treatment may, therefore, be initiated with CAPOZIDE 25 mg/15 mg once daily. Subsequent titration should be with additional doses of the components (captopril, hydrochlorothiazide) as single agents or as CAPOZIDE 50 mg/15 mg, 25 mg/25 mg, or 50 mg/25 mg . In using CAPOZIDE, consideration should be given to the risk of neutropenia/agranulocytosis . CAPOZIDE may be used for patients with normal renal function, in whom the risk is relatively low. In patients with impaired renal function, particularly those with collagen vascular disease, CAPOZIDE should be reserved for hypertensives who have either developed unacceptable side effects on other drugs, or have failed to respond satisfactorily to other drug combinations. ACE inhibitors (for which adequate data are available) cause a higher rate of angioedema in black than in non-black patients (see WARNINGS: Captopril: Anaphylactoid and Possibly Related Reactions: Head and Neck Angioedema and Intestinal Angioedema).
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Capozide
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