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Moduretic (Amiloride hydrochlorothiazide)

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Moduretic is used for treating fluid retention (edema) and high blood pressure. It may be used alone or with other medicines.

Other names for this medication:
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Also known as:  Amiloride hydrochlorothiazide.


Moduretic is a diuretic (water pill) and a combination of a potassium-sparing diuretic (amiloride) and a thiazide diuretic (hydrochlorothiazide). It works by making the kidneys eliminate sodium (salt) and water from the body, which helps to lower blood pressure. The amiloride component helps minimize potassium loss.

Brand name of Moduretic is Moduretic.


Take Moduretic by mouth with food.

Moduretic may increase the amount of urine or cause you to urinate more often when you first start taking it. To keep this from disturbing your sleep, try to take your dose before 6 pm.

If you want to achieve most effective results do not stop taking Moduretic suddenly.


If you overdose Moduretic and you don't feel good you should visit your doctor or health care provider immediately.


Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture, light and heat. Do not freeze. Keep container closed tightly. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Moduretic are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Moduretic if you are allergic to Moduretic components or to any ingredient in Moduretic or any other sulfonamide (eg, sulfamethoxazole).

Be careful with Moduretic if you're pregnant or you plan to have a baby, or you are a nursing mother.

Be careful with Moduretic if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement.

Be careful with Moduretic if you have allergies to medicines, foods, or other substances.

Be careful with Moduretic if you have cirrhosis or liver problems, diabetes, gout, kidney problems or kidney stones, asthma, heart problems, or systemic lupus erythematosus.

Be careful with Moduretic if you have elevated blood acid, low folic acid levels, or electrolyte problems, or are dehydrated.

Be careful with Moduretic if you take potassium-sparing diuretics (eg, spironolactone), potassium supplements, or salt substitutes containing potassium because high blood potassium levels may occur and cause listlessness, confusion, abnormal skin sensations of the arms and legs, heaviness of limbs, slowed heart rate, irregular heart rhythm, or stopping of the heart; cholestyramine or colestipol because they may decrease Moduretic 's effectiveness; nonsteroidal anti-inflammatory drugs (NSAIDs) (eg, indomethacin) because they may decrease Moduretic 's effectiveness and risk of kidney problems may be increased; barbiturates (eg, phenobarbital), certain chemotherapy medicines, corticosteroids (eg, prednisone), digoxin, dofetilide, ketanserin, narcotic pain medicines (eg, codeine), or medicines for high blood pressure because the risk of their side effects may be increased by Moduretic; diazoxide, lithium, or nondepolarizing neuromuscular blockers (eg, pancuronium) because their actions and the risk of their side effects may be increased by Moduretic; angiotensin-converting enzyme (ACE) inhibitors (eg, enalapril) because the risk of high blood potassium and kidney problems may be increased by Moduretic; diabetes medicines (eg, glipizide) or insulin because their effectiveness may be decreased by Moduretic.

Do not stop taking Moduretic suddenly.

moduretic drug

The clinical efficacy and safety of ibopamine and diuretic therapy were compared in a multicenter, multinational, parallel, positive-controlled, randomized, double-blind, 12-week study, involving 103 patients with mild CHF (NYHA Class II). Body weight, NYHA functional class, symptom assessment scores, laboratory blood tests, and exercise testing were evaluated at baseline at interim visits and at the end of 12 weeks. Clinical events were monitored throughout the study. There was no difference in any of the considered parameters between the two patient groups at baseline and at the end of the 12-week evaluation. A trend of improvement in clinical conditions that did not reach statistical significance was noted in each group throughout the study, as a probably "trial effect." Five patients on ibopamine had severe clinical events leading to drug discontinuation (CHF worsening, ventricular tachycardia, elevation of liver transaminases, headache, gastrointestinal disorders) and five on diuretic therapy experienced serious side effects (skin rash, palpitation, atrial fibrillation, elevation of liver transaminases, manic episode). One patient died while on diuretic therapy. Only headache and skin rash were considered to be related to the therapy (ibopamine and diuretic therapy, respectively). Our trial suggests that ibopamine can be safely and effectively used as an alternative for diuretics for up to 3 months in patients with mild CHF.

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We report a case of lithium overdose in a patient who presented in non-convulsive status epilepticus. The lithium toxicity was probably due to interaction with Moduretic. The diagnosis was not suspected until electroencephalography was performed. This case underscores the importance of therapeutic drug level monitoring of lithium, especially where toxicity is suspected, and the indispensable role electroencephalography plays by allowing a correct diagnosis to be made promptly.

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Antihypertensive therapy is effective in reducing the risk of major adverse cardiovascular events. However, blood pressure (BP) control rate remains poor and the optimal combination therapy against hypertension is not established in China. The objective of this study was to evaluate the long-term efficacy and safety of two antihypertensive regimens, amlodipine plus telmisartan and amlodipine plus amiloride/hydrochlorothiazide, in patients with essential hypertension and at least one cardiovascular risk factor.

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A patient who developed significant metabolic acidosis and severe hyperkalaemia while taking Moduretic (amiloride and hydrochlorothiazide) is reported. During the period of hyperkalaemia (maximum potassium 7-6 mmol/l) the patient's whole body potassium content was normal. His acid-base balance and serum potassium returned to normal some 10 days after stopping the drug. The possible mechanism of acidosis and hyperkalaemia in this patient is discussed.

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Impaired salivary gland function can be a major cause of late morbidity following the treatment of head and neck cancer with radiotherapy. A large number of commonly prescribed medications can also reduce salivary gland function. We report three patients with already impaired salivary gland function following successful radiotherapy in whom additional prescribed medication led to an increased reduction in salivary flow, thus further impairing the quality of life of these patients. Stopping the medication resulted in subjective and objective improvement in salivary gland function.

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A low-renin status characterized two-thirds of patients with treatment-resistant hypertension, who could be treated efficiently by aldosterone inhibition. Patients with an escape phenomenon (18%) could effectively be treated by increasing the aldosterone inhibitor. Low-renin hypertensives had high prevalence of adrenocortical adenomas and primary aldosteronism.

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The anti-hypertensive effects of atenolol (Tenormin) 50 mg, a potassium-sparing diuretic (half-strength Moduretic) comprising hydrochlorothiazide 25 mg plus 2.5 mg amiloride hydrochloride, and the 'free' combination of atenolol and diuretic were compared in elderly hypertensive patients aged 60-79 years. After a four-week run-in period on placebo, patients were randomly assigned, in a double-blind manner, to atenolol or diuretic treatment, each for four weeks. Thereafter patients were given the 'free' combination for a further four weeks and this treatment was continued for six months. Blood pressure and heart rate were measured after the patient had rested for five minutes supine and after two minutes standing. These blood pressure measurements were made at least 24 hours after the preceding dose using a Random Zero sphygmomanometer. Results from 26 of the 27 patients entered into the study showed an advantage for combination therapy combined with either atenolol or diuretic treatment alone. No significant difference was found between treatments in the frequency of supraventricular and ventricular ectopic beats occurring in six patients who underwent 24-hour ambulatory ECG monitoring. However, ectopic activity was reduced in some patients during beta-blocker treatment. Few adverse effects occurred with any treatment. Three patients withdrew during the placebo period and three withdrew while taking active treatment. This study has shown that the combination of atenolol, hydrochlorothiazide and amiloride hydrochloride is an effective, safe, well-tolerated antihypertensive drug regimen when used once daily in elderly hypertensive patients.

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A randomized double-blind, crossover trial was carried out in twenty hypertensive patients to evaluate the hypotensive efficacy and safety of indapamide. Indapamide in doses of 2.5 mg per day in combination with other antihypertensive agents was as effective in reducing the blood pressure in hypertensive patients as one tablet of Moduretic (50 mg hydrochlorothiazide and 5 mg amiloride). Indapamide induced no changes in serum potassium or uric acid levels and there were no major side effects.

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A difference in early carotid wall changes is shown between 2 equally effective antihypertensive treatments.

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moduretic drug 2016-02-06

This preliminary report demonstrates Cordarone 100 Mg the tendency of aerobic dance to enhance BP control in individuals on two antihypertensive drugs without BP control.

moduretic pills 2015-04-19

The authors have performed a between-patient study in 76 patients with mild or moderate essential arterial hypertension, with the aim of comparing the results of atenolol 100 mg daily, hydrochlorothiazide 50 mg + amiloride 5 mg 1 tablet daily, and the combination of the above two agents at the same daily doses. Thirty-one patients received the free combination diuretic-beta-blocker throughout the study period; 26 patients non-responders to atenolol 100 mg daily (supine diastolic blood pressure greater than 90 mmHg) after a one-month treatment period received the above combination for a further four months; and 19 patients non-responders to hydrochlorothiazide 50 mg + amiloride 5 mg, 1 tablet daily, after a one-month treatment period received the above combination for a further four months. In the patients who were non-responders to either atenolol or the diuretic, supine and upright blood pressure showed a further and clinically consistent decrease as a result of the combination therapy. A similar consistent decrease was seen in the patients receiving the combination therapy throughout the study. Plasma levels of glucose, urea, creatinine, sodium, potassium and uric acid were not modified either by the single agents Cipro Dosage Forms or during administration of the combination therapy. In particular, plasma potassium concentration did not show any statistical or clinical changes. Any side-effects were of little clinical importance and never required discontinuation of therapy. In conclusion, atenolol combined with hydrochlorothiazide + amiloride (100 mg + 50 mg + 5 mg) provides an effective and well tolerated blood pressure control in most patients with mild or moderate arterial hypertension, including non-responders to diuretic or beta-blocker alone.

moduretic generic 2016-09-01

An elderly woman who had been taking a fixed-dose combination of a thiazide and potassium-sparing diuretic for eight days, became severely hyponatraemic following total hip replacement. Her hyponatraemia resolved with fluid restriction, intravenous normal saline, and withdrawal of the drug. Hyponatraemia is a well-described side-effect of diuretic therapy; Anafranil Ocd Dose however, we are not aware of any previous reports of this condition developing acutely in the postoperative state. We attribute this to the natriuretic nature of the drug, compounded by the postoperative, anti-diuretic surge which itself may have been exacerbated by the drug. We thus advise caution in the use of this preparation in the elderly patient about to undergo major surgery.

moduretic dosage bodybuilding 2017-03-19

This study, ancillary to the International Nifedipine GITS Study: Intervention as a Goal in Hypertension Treatment (INSIGHT), involved nifedipine 30 mg or co-amilozide (hydrochlorothiazide 25 mg and amiloride 2.5 mg) with optional subsequent titration. Among 439 randomized hypertensive patients, 324 had >/=1 year of follow-up (intent-to-treat group), and 242 completed follow-up (until-end-of-study group). Ultrasonography was performed at baseline, 4 months later, and then every year. Central computerized reading provided far-wall IMT, diameter, and cross-sectional area IMT (CSA-IMT). The primary outcome was IMT progression rate (slope of IMT-time regression). Secondary outcomes were changes from baseline (Delta) in IMT, diameter, and CSA-IMT. In the until-end-of-study population, between-treatment Bactrim Antibiotic Dosage differences existed in IMT progression rate (P=0.002), Delta IMT (P=0.001), and Delta CSA-IMT (P=0.006), because IMT progressed on co-amilozide but not on nifedipine. In the intent-to-treat population, treatment differences existed in Delta IMT (P=0.004) and Delta CSA-IMT (P=0.04) but not in IMT progression rate (P=0.09). Patients with >/=2, 3, or 4 years of follow-up showed treatment differences in IMT progression rate (P=0.04, 0.004, 0.007, respectively), Delta IMT (P=0.005, 0.001, 0.005), and Delta CSA-IMT (P=0.025, 0.013, 0.015). Diameter decreased more on co-amilozide than on nifedipine in the intent-to-treat population (P<0.05), whereas blood pressure decreased similarly on both treatments.

moduretic overdose 2015-02-04

Plasma potassium Motrin Jr Tablets and sodium concentrations were measured in a group of elderly patients taking maintenance thiazide diuretic therapy alone, with a potassium supplement or in combination with a potassium sparing diuretic. Fixed dose combinations of a thiazide and potassium sparing diuretic did not significantly reduce the prevalence of hypokalaemia and the combination of amiloride-hydrochlorothiazide was associated with a disproportionate number of cases of hyponatraemia. The desirability of the current widespread use of fixed dose combination diuretics over less expensive single agents is questioned.

moduretic tablet kullananlar 2015-05-30

To estimate the frequency of diuretic-related electrolyte disorders in the elderly, 561 consecutive admissions to three acute geriatric units were Zantac 6 Tablets studied. For the 287 admissions to one unit, discharge/death diagnoses were also examined in relation to admission diuretic therapy. Sodium concentrations were significantly lower, and urea and creatinine significantly higher, in patients on diuretics, though the size of the differences was small. Comparing different preparations sodium concentrations were significantly lower on Moduretic than on Dyazide or Navidrex K and on frusemide when combined with a potassium-retaining diuretic rather than a potassium supplement. Potassium concentrations were significantly lower on Bendrofluazide alone compared to Navidrex K or Moduretic. Diuretics were positively associated with cardiac failure, ischaemic heart disease, airflow obstruction and obstructive large bowel disorders but negatively with Parkinson's disease. No significant association was found with falls, immobility or confusion. Major electrolyte disorders on diuretics appear to be unusual but important differences exist between preparations. Similarly major illness resulting from diuretic therapy is rare but minor morbidity may be more common.

moduretic medicine 2016-01-12

A cross-over study was done to compare the effects of doxazosin, moduretic and amlodipine on biochemical values in 9 hypertensive Nigerians aged 35 to 65 years. Doxazosin therapy was characterized by significant increase in the Depakote 750 Mg levels of mean plasma total protein and albumin, while moduretic therapy showed significant reduction in the mean values of plasma creatinine and calcium. All other parameters did not show any significant variation during doxazosin and moduretic treatment phases; and amlodipine therapy did not have any effect on the biochemical values of the hypertensive patients.

moduretic drug interactions 2015-02-17

In 90 treatment-resistant hypertensive, 67% had plasma renin activity (PRA) below 0.5 nmol/l per hour. Of the 60 low-renin patients, 38 were studied on a fixed combination of amiloride and hydrochlorothiazide. Three weeks' treatment reduced blood pressure by 31/15 Dosage Of Micronase mmHg compared to placebo (P < or = 0.0001). Serum aldosterone and plasma renin activity increased substantially during active treatment. Through the subsequent 6-12 months of open treatment, seven patients (18%) showing an escape phenomenon had their high blood pressure effectively treated by extra amiloride. Of the 60 low-renin patients, eight had adrenal adenoma.

moduretic tablets dose 2015-10-04

This study tested the effects on cardiovascular outcomes of treatments based on nifedipine gastrointestinal therapeutic system (GITS) compared with the diuretic combination co- Zetia Online amilozide in a pre-specified subset of patients with isolated systolic hypertension (ISH) enrolled in the International Nifedipine GITS Study: Intervention as a Goal in Hypertension Treatment (INSIGHT) study.

moduretic tablets 2017-01-17

Hypertensive patients who are at high risk of developing cardiovascular (CV) complications have become the focus of modern treatment guidelines. The choice of antihypertensive therapies in these patients should be evidence-based: in particular, there should be evidence of a beneficial impact on CV events in addition to blood pressure-lowering effects. The International Nifedipine GITS study: Intervention as a Goal in Hypertension Treatment (INSIGHT) is the first, large, randomized, double-blind study undertaken exclusively in high-risk hypertensive patients, with CV events as a prospectively defined primary end-point. The choice of a diuretic (co-amilozide) as a comparator reflects the fact that this group of antihypertensive drugs has been shown to reduce CV events in high-risk hypertensive patients. Nifedipine, administered in a long-acting gastrointestinal-transport-system (GITS) formulation, and co amilozide were equally effective in preventing overall CV or cerebrovascular complications. This finding extended to the subgroup of patients with diabetes at baseline. Substudies to INSIGHT showed that, compared with coamilozide, nifedipine GITS was significantly more effective at preventing an increase in intima-media thickness in the carotid artery and significantly slowed the progression of coronary calcification. The results from INSIGHT support incorporating nifedipine GITS in the management of high-risk hypertensive patients to prevent atherosclerosis-related illness and death.

moduretic tablet 2017-03-28

Hyponatremia developed after AmHTZ but not after F challenge. A negative free water clearance (CH(2)O) was only observed during AmHTZ (-0.39 mL/min), while maximal CH(2)O during F was 3.17 mL/min. Based on the results obtained during WL, the calculated maximal daily electrolyte free water clearance ability was only 888 mL after AmHTZ but 10,166 mL after F therapy. Taking into account a measured mean daily water intake of 1830 mL, severe hyponatremia could be predicted to occur after a few days treatment with AmHTZ. In comparison, F appears to be safer, without risk of hyponatremia, during an equivalent period of time.