Hyzaar is an effective strong preparation which is taken in treatment of hypertension disease. Hyzaar acts as anti-hypertension remedy. Hyzaar operates by reducing blood pressure.
Other names for this medication:
Also known as: Losartan.
Hyzaar is created by pharmacy specialists to combat hypertension disease. Target of Hyzaar is to control level of blood pressure.
Hyzaar acts as anti-hypertension remedy. Hyzaar operates by reducing blood pressure.
Hyzaar is also known as Losartan potassium, Hydrochlorothiazide, Cosart-H.
Hyzaar consists of Losartan and Hydrochlorothiazide. Losartan is an angiotensin II receptor antagonist. Hydrochlorothiazide is a diuretic.
Generic name of Hyzaar is Hydrochlorothiazide and Losartan.
Brand name of Hyzaar is Hyzaar.
You should take it orally with water.
It is better to take Hyzaar once a day at the same time with meals or without it.
If you want to achieve most effective results do not stop taking Hyzaar suddenly.
If you overdose Hyzaar and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Hyzaar overdosage: fainting, feeling lightheaded, rapid heartbeat.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture, light and heat. Keep container tightly closed. Throw away any unused medicine after the expiration date. Keep out of the reach of children.
The most common side effects associated with Hyzaar are:
Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.
Do not take Hyzaar if you are allergic to its components.
Do not take Hyzaar if you're pregnant or you plan to have a baby, or you are a nursing mother. Hyzaar can harm your baby.
Try to be careful with Hyzaar usage in case of having liver or kidney disease, heart failure, diabetes, asthma, high blood levels, lupus, gout.
Try to be careful with Hyzaar usage in case of taking such medication as diuretics; lithium as Eskalith, Lithobid; colestipol as Colestid; phenobarbital as Luminal, Solfoton; cholestyramine as Questran; aspirin; oral steroids as dexamethasone (Decadron, Dexone), prednisone (Deltasone), methylprednisolone (Medrol); insulin or oral medications for diabetes; nonsteroidal anti-inflammatory medications (NSAIDs); potassium supplements; medications for high blood pressure; narcotic pain medications.
Use Hyzaar with great care in case you want to undergo an operation (dental or any other).
If you want to achieve most effective results without any side effects it is better to avoid alcohol.
Do not stop taking Hyzaar suddenly.
This study was conducted among 43 Japanese patients with type 2 diabetes complicated with hypertension in whom continuous treatment with high doses of ARBs did not reduce their blood pressure to the target level (a systolic blood pressure of 130 mmHg or lower and a diastolic blood pressure of 80 mmHg or lower). The antihypertensive and metabolic effects of switching from high-dose ARBs to a combination of losartan (50 mg/day) plus hydrochlorothiazide (12.5 mg/day) were examined. The primary endpoint was a decrease in blood pressure at 24 weeks.
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The results of these bioavailability studies indicate that the test formulation of losartan/hydrochlorothiazide 50 + 12.5 mg (EPR0001) tablets is bioequivalent to marketed Preminent® reference formulation in Asian Indian and Japanese volunteers, when administered under fasting conditions. Both test and reference formulations were well tolerated as a single oral dose when administered to healthy adult subjects under fasted conditions. Although Asian Indian and Japanese volunteers are ethnically different, results of these studies indicate that pharmacokinetic parameters of Asian Indian and Japanese volunteers are comparable to each other in terms of bioavailability of losartan, losartan carboxylic acid and hydrochlorothiazide. Similar least square means ratios were obtained in Asian Indian and Japanese volunteers demonstrating that a bioequivalence study conducted on Japanese volunteers seems to be substituted by Asian Indian volunteers' studies.
This was a retrospective, uncontrolled analysis of data derived from a large, cross-sectional web-based clinical database collected by physicians.
Losartan + HCTZ was as effective as bisoprolol + HCTZ, with target office BP achieved in 96.9% and 92.6% of patients and target 24-hour BP in 75% and 66.7% of patients, respectively, after 6 months. Effective treatment of BP led to significant lowering of central systolic BP, but this was decreased to a significantly (P < 0.05) greater extent by losartan + HCTZ (-23.0 ± 2.3 mmHg) than by bisoprolol + HCTZ (-15.4 ± 2.9 mmHg) despite equal lowering of brachial BP. Factors correlated with central systolic BP and its lowering differed between the treatment groups. Losartan + HCTZ did not alter arterial stiffness patterns significantly, but bisoprolol + HCTZ significantly increased AIx. We noted differences in ΔPWVE, ΔPWVM, and ΔAIx between the groups in favor of losartan + HCTZ. Decreased heart rate was associated with higher central systolic BP and AIx in the bisoprolol + HCTZ group, but was not associated with increased AIx in the losartan + HCTZ group.
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Losartan potassium was the first in a new class of potent angiotensin II receptor antagonists which are well-tolerated in the treatment of hypertension. Losartan potassium is the active ingredient in tablets COZAAR and is combined with diuretic co-active hydrochlorothiazide (HCTZ) in tablets HYZAAR for increased efficacy. Losartan potassium has one main impurity and two primary degradates. HCTZ has one major degradate as well as two common process impurities. Historically, separate methods have been used for the analysis of each active and their respective impurities and degradates. The ultimate goal of this work was to develop and validate a single high-performance liquid chromatography method selective for the eight main components of tablets HYZAAR. A single method was developed to afford simultaneous quantitation of actives and degradates for each of the two existing formulations. Each method is presented herein and demonstrated to be suitable for quantitation to 0.1% levels of all relevant degradates, as well as 100% levels of respective drug substances.
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A total of 1080 consecutive EH patients [662 males, mean age (60.9 +/- 12.3) years] who seeked for medical consultation in study hospitals in Fuzhou city during October 2004 and October 2006 were included in this study. The blood pressure before and after antihypertensive treatments were obtained in 1000 patients, and the renal function and electrolyte before and after antihypertensive treatments were obtained in 600 patients. Patients with SBP > 140 and/or DBP > 90 mm Hg 2 weeks after initial antihypertensive agents were cotreated with felodipine, patients with SBP > 140 and/or DBP > 90 mm Hg 4 weeks after initial antihypertensive agents were cotreated with beta and/or alpha blockers.
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The aim of the present study was to assess changes in blood pressure and metabolism after switching treatment from maximum-dose angiotensin II receptor blocker (ARB) therapy to a mixture of conventional-dose ARBs and low-dose diuretics.
Switching to LOS/HCTZ provides a greater reduction in clinic and home BP in patients with uncontrolled hypertension. This combination therapy may lead to cardio-, reno protection and improve UA metabolism.
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The guidelines for hypertension require the presence of compelling indications for pharmacological management of hypertension associated with various diseases. Data mainly obtained through randomized controlled trials have provided evidence supporting effectiveness of the combination of losartan (Lo) and hydrochlorothiazide (HCTZ) for management of hypertensive patients. However, there have been few reports discussing the effectiveness of Lo/HTCZ (losartan 50 mg/hydrochlorothizide 12.5 mg) in the 'real world' in the management of isolated systolic hypertension (ISH). This study was designed to investigate the 'real world' effectiveness of Lo/HTCZ-based treatment of ISH associated with various diseases.
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The aim of this study was to compare the differences in the levels of a highly sensitive cardiac troponin T (Hs-cTnT) between Losartan (LOS) plus hydrochlorothiazide (HCTZ) and amlodipine. Seventy-eight hypertensive patients were randomized to receive LOS/HCTZ or amlodipine for 8 weeks. Both treatments decreased clinic and 24-hour blood pressure to the same extent. The Hs-cTnT level was significantly reduced in the amlodipine group (P < .05), but such a reduction was not found in the LOS/HCTZ group in the upper half group of Hs-cTnT level at baseline. Amlodipine had a more beneficial effect than LOS/HCTZ in patients with high Hs-cTnT levels.
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Randomized, open-label, crossover, bioavailability studies were conducted separately in healthy Asian Indian and Japanese volunteers. One tablet either of test or of reference product was administered after 10 hours of overnight fasting. After dosing, serial blood samples were collected for a period of 48 hours for both the studies. Plasma samples were analyzed for losartan, losartan carboxylic acid and hydrochlorothiazide by a validated liquid chromatographic and mass spectrometric method (LC-MS/MS). The pharmacokinetic parameters AUC0-t, AUC0-∞, Cmax, tmax, and other pharmacokinetics parameters were determined from plasma concentration-time profiles for both test and reference formulations of losartan/hydrochlorothiazide 50 + 12.5 mg tablets. Statistical evaluations were done to evaluate bioequivalence between generic test formulation (EPR0001) and Japanese reference product (Preminent®).
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Previous studies have demonstrated that antihypertensive treatment resets baroreflex control of heart rate (HR) and increases cardiac vagal baroreflex sensitivity. However, it is uncertain whether baroreflex control of muscle sympathetic nerve activity (MSNA) also resets after treatment. We tested the hypothesis that chronic antihypertensive therapy alters baroreflex regulation of MSNA in patients with untreated moderate hypertension. Seven newly diagnosed patients with systolic blood pressure (BP) of 159+/-5 mm Hg (mean+/-SE) and diastolic BP of 103+/-4 mm Hg were studied before and after 1 to 2 weeks ' and 3 months (chronic) of antihypertensive treatment with losartan-hydrochlorothiazide (Hyzaar). MSNA and hemodynamics were measured supine, during a Valsalva maneuver (VM), and at 70 degrees head-up tilt (HUT) for 10 minutes. Data were compared with those obtained in 7 age-matched healthy controls. We found that Hyzaar lowered mean BP acutely and chronically by 20+/-4 and 23+/-3 mm Hg (both P<0.01) but did not change HR. Supine MSNA increased by 43+/-11% and 34+/-11% after acute and chronic treatment (both P<0.01). However, MSNA responses to VM and HUT did not differ after treatment compared with before treatment, indicating unchanged reflex control. These data indicate that sympathetic neural activity was augmented substantially by antihypertensive treatment with Hyzaar, consistent with an ongoing baroreflex unloading, and did not return to baseline or "reset" after 3 months of therapy. We speculate that persistent and marked sympathetic activation by the baroreflex may be a potential mechanism for hypertension that is refractory to antihypertensive therapy and may provide a target mechanism for persistent morbidity despite adequate BP control.
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This multicenter, prospective, observational study assessed the renoprotective effects of losartan/thiazide combination therapy in terms of lowering the estimated glomerular filtration rate (eGFR).
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Concerns about metabolic complications often disturb prolonged use of diuretics in Japan. We investigated 3-year safety and efficacy in Japanese patients with hypertension who were uncontrolled with angiotensin receptor blocker or angiotensin-converting enzyme inhibitor regimens and then switched to losartan (50 mg)/hydrochlorothiazide (12.5 mg; HCTZ) combinations. Blood pressure decreased favorably and maintained a steady state for 3 years (157 ± 16/88 ± 11 mm Hg to 132 ± 13/75 ± 9 mm Hg, P < .0001). Metabolic parameters maintained a limited range of changes after 3 years, and adverse events were markedly decreased after 1-year treatment. The losartan/HCTZ combination minimized diuretic-related adverse effects and thus may be useful for the treatment of Japanese patients with hypertension.
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More frequent RF in hypertensive patients are the following: high blood cholesterol (86.7%), left ventricular hypertrophy (53.2%), familial history of AH (74.2%). A combination of three and two RF occurs in 49.1 and 37% hypertensive patients, respectively. A 6-month treatment with Hyzaar lowered systolic blood pressure by 28.4 mm Hg and diastolic one by 15.4 mm Hg. The target blood pressure was achieved in 83.5%. Real clinical practice showed that administration of a target Hyzaar dose for 6 months leads to a 6.5% regress of left ventricular hypertrophy, an 11% decrease of total cholesterol, a 4% decrease of glucose and a 8.9% decrease of uric acid.
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We have previously shown that an association of losartan and hydrochlorothiazide, initiated 1 mo after 5/6 nephrectomy (Nx), reversed hypertension and albuminuria and promoted lasting renoprotection. In this new study, we investigated whether equal or even better protection could be obtained by combining losartan and furosemide. Nx was performed in 58 Munich-Wistar rats. One month later, tail-cuff pressure and albuminuria were markedly elevated. At this time, Nx rats were distributed among the following four groups: untreated Nx rats, Nx rats that received losartan, Nx rats that received losartan + hydrochlorothiazide, and Nx rats that received losartan + furosemide. Seven months later, Nx rats exhibited high mortality, severe hypertension, albuminuria, glomerulosclerosis, and interstitial fibrosis. Losartan treatment limited mortality and attenuated the renal and hemodynamic abnormalities associated with Nx. As previously shown, the losartan + hydrochlorothiazide association normalized tail-cuff pressure and albumin, prevented renal injury, and reduced mortality to zero. The losartan + furosemide treatment failed to reduce tail-cuff pressure or albumin to normal and prevented renal injury less efficiently than the losartan and hydrochlorothiazide regimen. The reasons for the differing efficacies of the losartan + furosemide and losartan + hydrochlorothiazide schemes are unclear and may include beneficial nondiuretic actions of thiazides, such as vasorelaxation and antiproliferative activity. These results refute the established concept that thiazides and thiazide-like diuretics are ineffective at advanced chronic kidney disease stages. Rather, they suggest that, in view of their renoprotective action, these compounds may even be preferable to loop diuretics in the management of hypertension in advanced chronic kidney disease.
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Twenty four hour blood pressure (BP) monitoring was carried out and structural state of left ventricular myocardium assessed in 20 patients with mild and moderate hypertension before and after 24 weeks of therapy with Hyzaar - fixed dose combination of losartan (50 mg) and hydrochlorothiazide (12.5 mg). According to data of 24-hour BP monitoring the use of Hyzaar was associated with lowering of diurnal (by 26.9/17.2+/-3/2 mm Hg, p<0.001), nocturnal (by 32.6/18.9+/-3/2 mm Hg, p<0.001), pulse (p<0.001) BP, and rate of morning systolic BP rise (p<0.05), decrease of nocturnal systolic and diastolic BP variability, and improvement of 24-hour BP rhythm. Trough/peak coefficients for systolic and diastolic BP (70 and 76%, respectively) reflected sufficient and steady hypotensive effect throughout 24 hours after single dose of Hyzaar. Target BP level was achieved in 70% of patients. At the background of 24-week treatment with Hyzaar left ventricular myocardial mass index significantly decreased (from 120.1+/-3.5 to 108.6+/-3.1 g/m2, D=11.5+/-1.0, p<0.001) and became normal in 60% of patients. Correlation analysis revealed independence of cardioprotective action of therapy from its hypotensive activity. Thus therapy with Hyzaar produced hypotensive and cardioprotective effects which were independent from each other.
A total of 207 hypertensive subjects were randomly assigned to a combination pill group (losartan 50mg/hydrochlorothiazide 12.5mg; n=103) or a control group (an angiotensin receptor blocker and a thiazide diuretic; n=104). Medication adherence was evaluated by pill counts at 1, 3, and 6 months after randomization. The mean adherence rates over 6 months were not different between the 2 groups: 98% in the combination pill group and 98% in the control group. Moreover, the 2 groups included similar numbers of subjects with relatively poor adherence rates (<90%) in each treatment period. The mean blood pressures over the 6-month treatment period were not different between the groups: 131/75 mmHg in the combination pill group and 130/75 mmHg in the control group (P=0.84/0.96).
A total of 203 hypertensive subjects were randomly assigned to a daily regimen of a combination pill (losartan 50 mg/hydrochlorothiazide 12.5 mg) or two pills, an angiotensin II receptor blocker and a thiazide diuretic. Medication adherence calculated based on pill counts and BPs was evaluated at 1, 3 and 6 months after randomization.
This Web-based system may provide useful information when a new drug is first released into the market. Treatment with Lo/HCTZ enabled a substantial proportion of hypertensive patients to achieve the recommended goal of < 140/90 mmHg.
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The aim of this study is to estimate the cost-effectiveness of lowering systolic blood pressure (SBP) in patients ineligible for treatment in both a 10-year and a lifetime horizon.
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Although both treatments decreased both office and 24-hour BP, losartan + HCTZ significantly decreased central systolic BP and had a more positive influence on pulse wave velocity, with a less negative effect of decreased heart rate on AIx and central systolic BP.
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In patients with diabetes, sodium reabsorption in the renal tubules is enhanced, which leads to the development of salt-sensitive hypertension. Therefore, the concurrent use of a diuretic that promotes sodium excretion can increase the antihypertensive effects of other drugs. This study demonstrated that switching from high-dose ARB treatment to losartan/hydrochlorothiazide combination therapy results in significant control of blood pressure.
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A significant decrease in systolic and diastolic BP was observed in both clinic and home measurement after switching from the previous treatment to LOS/HCTZ. There was a significant decrease in both B-type natriuretic peptide (BNP) and urinary albumin creatinine (Cr) excretion ratio (ACR), especially in patients with elevated values. In contrast, there was a significant increase in serum Cr concentration in conjunction with a decrease in estimated glomerular filtration rate (eGFR). Overall serum uric acid (UA) concentration increased, whereas in patients with hyperuricemia there was a significant reduction in this value.
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