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How should I take Accuretic (hydrochlorothiazide and quinapril)?
Follow all directions on your prescription label. Your doctor may occasionally change your dose. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while taking quinapril. This can lead to very low blood pressure, electrolyte disorders, or kidney failure.
Your blood pressure will need to be checked often. Your blood and urine may also be tested if you have been vomiting or are dehydrated. Visit your doctor regularly.
Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.
If you need surgery, tell the surgeon ahead of time that you are using hydrochlorothiazide and quinapril. You may need to stop using the medicine for a short time.
Store at room temperature away from moisture, heat, and light.
What do I need to tell my doctor BEFORE I take Accuretic?
- If you have an allergy to quinapril, hydrochlorothiazide, or any other part of this medicine.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have ever had a very bad or life-threatening reaction called angioedema. Signs may be swelling of the hands, face, lips, eyes, tongue, or throat; trouble breathing; trouble swallowing; unusual hoarseness.
- If you have kidney disease.
- If you are not able to pass urine.
- If you are taking dofetilide.
- If you are taking a drug that has aliskiren in it and you also have high blood sugar (diabetes) or kidney problems. Check with your doctor or pharmacist if you are not sure if a drug you take has aliskiren in it.
- If you have taken a drug that has sacubitril in it in the last 36 hours.
- If you are breast-feeding or plan to breast-feed.
This is not a list of all drugs or health problems that interact with Accuretic.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
GeneralSerum Electrolyte Abnormalities
In clinical trials, hyperkalemia (serum potassium ≥5.8 mmol/L) occurred in approximately 2% of patients receiving quinapril. In most cases, elevated serum potassium levels were isolated values which resolved despite continued therapy. Less than 0.1% of patients discontinued therapy due to hyperkalemia. Risk factors for the development of hyperkalemia include renal insufficiency, diabetes mellitus, and the concomitant use of other drugs that raise serum potassium levels.
Hydrochlorothiazide can cause hypokalemia and hyponatremia. Hypomagnesemia can result in hypokalemia which appears difficult to treat despite potassium repletion. Drugs that inhibit the renin-angiotensin system can cause hyperkalemia. The risk of hyperkalemia may be increased in patients with renal insufficiency, diabetes mellitus or with concomitant use of drugs that raise serum potassium (see Drug Interactions). The risk of hypokalemia may be increased in patients with cirrhosis, brisk diuresis, or with concomitant use of drugs that lower serum potassium. Monitor serum electrolytes periodically.Other Metabolic Disturbances
Hydrochlorothiazide may alter glucose tolerance and raise serum levels of cholesterol and triglycerides.
Hydrochlorothiazide may raise the serum uric acid level due to reduced clearance of uric acid and may cause or exacerbate hyperuricemia and precipitate gout in susceptible patients.
Hydrochlorothiazide decreases urinary calcium excretion and may cause elevations of serum calcium. Monitor calcium levels in patients with hypercalcemia receiving Accuretic.Cough
Presumably due to the inhibition of the degradation of endogenous bradykinin, persistent nonproductive cough has been reported with all ACE inhibitors, resolving after discontinuation of therapy. ACE inhibitor-induced cough should be considered in the differential diagnosis of cough.Surgery/Anesthesia
In patients undergoing surgery or during anesthesia with agents that produce hypotension, quinapril will block the angiotensin II formation that could otherwise occur secondary to compensatory renin release. Hypotension that occurs as a result of this mechanism can be corrected by volume expansion.
Information for PatientsAngioedema
Angioedema, including laryngeal edema, can occur with treatment with ACE inhibitors, especially following the first dose. Tell patients receiving Accuretic to immediately report any signs or symptoms suggesting angioedema (swelling of face, eyes, lips, or tongue, or difficulty in breathing) and to temporarily discontinue Accuretic until after consulting with the prescribing physician.Pregnancy
Tell female patients of childbearing age about the consequences of exposure to Accuretic during pregnancy. Discuss treatment options with women planning to become pregnant. Ask patients to report pregnancies to their physicians as soon as possible.Symptomatic Hypotension
Tell patients receiving Accuretic that lightheadedness can occur, especially during the first days of therapy, and to report it to the prescribing physician. Tell the patient if syncope occurs, discontinue Accuretic until the physician has been consulted.
Tell patients that inadequate fluid intake, excessive perspiration, diarrhea, or vomiting can lead to an excessive fall in blood pressure because of reduction in fluid volume, with the same consequences of lightheadedness and possible syncope.
Tell patients planning to undergo major surgery and/ or general or spinal anesthesia to inform their physicians that they are taking an ACE inhibitor.Hyperkalemia
Tell patients receiving Accuretic not to use potassium supplements or salt substitutes containing potassium without consulting the prescribing physician.Neutropenia
Tell patients to promptly report any indication of infection (e.g., sore throat, fever) which could be a sign of neutropenia.
NOTE: As with many other drugs, certain advice to patients being treated with quinapril is warranted. This information is intended to aid in the safe and effective use of this medication. It is not a disclosure of all possible adverse or intended effects.
The hydrochlorothiazide component of Accuretic may decrease serum PBI levels without signs of thyroid disturbance.
Therapy with Accuretic should be interrupted for a few days before carrying out tests of parathyroid function.
Drug InteractionsAgents Increasing Serum Potassium
Coadministration of Accuretic with other drugs that raise serum potassium levels may result in hyperkalemia. Monitor serum potassium in such patients.Lithium
Increased serum lithium levels and symptoms of lithium toxicity have been reported in patients receiving ACE inhibitors during therapy with lithium. Because renal clearance of lithium is reduced by thiazides, the risk of lithium toxicity is presumably raised further when, as in therapy with Accuretic, a thiazide diuretic is coadministered with the ACE inhibitor. Accuretic and lithium should be coadministered with caution, and frequent monitoring of serum lithium levels is recommended.Dual Blockade of the Renin-Angiotensin System (RAS)
Dual blockade of the RAS with angiotensin receptor blockers, ACE inhibitors, or aliskiren is associated with increased risks of hypotension, hyperkalemia, and changes in renal function (including acute renal failure) compared to monotherapy. Most patients receiving the combination of two RAS inhibitors do not obtain any additional benefit compared to monotherapy. In general, avoid combined use of RAS inhibitors. Closely monitor blood pressure, renal function and electrolytes in patients on Accuretic and other agents that affect the RAS.
Do not co-administer aliskiren with Accuretic in patients with diabetes. Avoid concomitant use of aliskiren with Accuretic in patients with renal impairment (GFR <60 mL/min/1.73 m2).Tetracycline and Other Drugs That Interact with Magnesium
Simultaneous administration of tetracycline with quinapril reduced the absorption of tetracycline by approximately 28% to 37%, possibly due to the high magnesium content in quinapril tablets. This interaction should be considered if coprescribing quinapril and tetracycline or other drugs that interact with magnesium.Gold
Nitritoid reactions (symptoms include facial flushing, nausea, vomiting, and hypotension) have been reported rarely in patients on therapy with injectable gold (sodium aurothiomalate) and concomitant ACE inhibitor therapy.Non-Steroidal Anti-Inflammatory Agents including Selective Cyclooxygenase-2 Inhibitors (COX-2 Inhibitors)
In patients who are elderly, volume-depleted (including those on diuretic therapy), or with compromised renal function, co-administration of NSAIDs, including selective COX-2 inhibitors, with ACE inhibitors, including quinapril, may result in deterioration of renal function, including possible acute renal failure. These effects are usually reversible. Monitor renal function periodically in patients receiving quinapril and NSAID therapy.
The antihypertensive effect of ACE inhibitors, including quinapril may be attenuated by NSAIDs.Agents that Inhibit mTOR or Other Drugs Known to Cause Angioedema
Patients taking concomitant mTOR inhibitor (e.g., temsirolimus) therapy or a neprilysin inhibitor may be at increased risk for angioedema.Other Agents
Drug interaction studies of quinapril and other agents showed:
- Multiple dose therapy with propranolol or cimetidine has no effect on the pharmacokinetics of single doses of quinapril.
- The anticoagulant effect of a single dose of warfarin (measured by prothrombin time) was not significantly changed by quinapril coadministration twice daily.
- Digoxin: Thiazide-induced electrolyte disturbances, i.e. hypokalemia, hypomagnesemia, increase the risk of digoxin toxicity, which may lead to fatal arrhythmic events (See PRECAUTIONS).
- No pharmacokinetic interaction was observed when single doses of quinapril and hydrochlorothiazide were administered concomitantly.
When administered concurrently, the following drugs may interact with thiazide diuretics.
- Alcohol, Barbiturates, or Narcoticspotentiation of orthostatic hypotension may occur.
- Antidiabetic Drugs (oral hypoglycemic agents and insulin)dosage adjustments of the antidiabetic drug may be required (See PRECAUTIONS).
- Cholestyramine and Colestipol Resinabsorption 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%, respectively.
- Corticosteroids, ACTHintensified electrolyte depletion, particularly hypokalemia.
- Pressor Amines (e.g., norepinephrine)possible decreased response to pressor amines, but not sufficient to preclude their therapeutic use.
- Skeletal Muscle Relaxants, Nondepolarizing (e.g., tubocurarine)possible increased responsiveness to the muscle relaxant.
- Non-steroidal Anti-inflammatory Drugsthe diuretic, natriuretic, and antihypertensive effects of thiazide diuretics may be reduced by concurrent administration of nonsteroidal anti-inflammatory agents.
Carcinogenesis, Mutagenesis, Impairment of Fertility
Carcinogenicity, mutagenicity, and fertility studies have not been conducted in animals with Accuretic.
Quinapril hydrochloride was not carcinogenic in mice or rats when given in doses up to 75 or 100 mg/kg/day (50 or 60 times the maximum human daily dose, respectively, on a mg/kg basis and 3.8 or 10 times the maximum human daily dose on a mg/m2 basis) for 104 weeks. Female rats given the highest dose level had an increased incidence of mesenteric lymph node hemangiomas and skin/subcutaneous lipomas. Neither quinapril nor quinaprilat were mutagenic in the Ames bacterial assay with or without metabolic activation. Quinapril was also negative in the following genetic toxicology studies: in vitro mammalian cell point mutation, sister chromatid exchange in cultured mammalian cells, micronucleus test with mice, in vitro chromosome aberration with V79 cultured lung cells, and in an in vivo cytogenetic study with rat bone marrow. There were no adverse effects on fertility or reproduction in rats at doses up to 100 mg/kg/day (60 and 10 times the maximum daily human dose when based on mg/kg and mg/m2, respectively).
Under the auspices of the National Toxicology Program, rats and mice received hydrochlorothiazide in their feed for 2 years, at doses up to 600 mg/kg/day in mice and up to 100 mg/kg/day in rats. These studies uncovered no evidence of a carcinogenic potential of hydrochlorothiazide in rats or female mice, but there was "equivocal" evidence of 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 (the Ames test); in the Chinese hamster ovary (CHO) test for chromosomal aberrations; or 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 in the in vitro CHO sister chromatid exchange (clastogenicity) test and in the mouse lymphoma cell (mutagenicity) assays, using concentrations of hydrochlorothiazide of 43 to 1300 µg/mL. Positive test results were also obtained in the Aspergillus nidulans nondisjunction assay, using an unspecified concentration of hydrochlorothiazide.
Hydrochlorothiazide had no adverse effects on the fertility of mice and rats of either sex in studies wherein these species were exposed, via their diets, to doses of up to 100 and 4 mg/kg/day, respectively, prior to mating and throughout gestation.
Because quinapril and hydrochlorothiazide are secreted in human milk, caution should be exercised when Accuretic is administered to a nursing woman.
Because of the potential for serious adverse reactions in nursing infants from hydrochlorothiazide and the unknown effects of quinapril in infants, a decision should be made whether to discontinue nursing or to discontinue Accuretic, taking into account the importance of the drug to the mother.
Clinical studies of quinapril HCl/hydrochlorothiazide did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.
Pediatric UseNeonates with a history of in utero exposure to Accuretic
If oliguria or hypotension occurs, direct attention toward support of blood pressure and renal perfusion. Exchange transfusions or dialysis may be required as a means of reversing hypotension and/or substituting for disordered renal function. Removal of quinapril, which crosses the placenta, from the neonatal circulation is not significantly accelerated by these means.
Safety and effectiveness of Accuretic in children have not been established.
Accuretic has been evaluated for safety in 1571 patients in controlled and uncontrolled studies. Of these, 498 were given quinapril plus hydrochlorothiazide for at least 1 year, with 153 patients extending combination therapy for over 2 years. In clinical trials with Accuretic, no adverse experience specific to the combination has been observed. Adverse experiences that have occurred have been limited to those that have been previously reported with quinapril or hydrochlorothiazide.
Adverse experiences were usually mild and transient, and there was no relationship between side effects and age, sex, race, or duration of therapy. Discontinuation of therapy because of adverse effects was required in 2.1% in patients in controlled studies. The most common reasons for discontinuation of therapy with Accuretic were cough (1.0%; see PRECAUTIONS) and headache (0.7%).
Adverse experiences probably or possibly related to therapy or of unknown relationship to therapy occurring in 1% or more of the 943 patients treated with quinapril plus hydrochlorothiazide in controlled trials are shown below.
|Percent of Patients in Controlled Trials|
N = 943
N = 100
|Nausea and/or Vomiting||1.8||6.0|
|Upper Respiratory Infection||1.3||4.0|
Clinical adverse experiences probably, possibly, or definitely related or of uncertain relationship to therapy occurring in ≥0.5% to <1.0% (except as noted) of the patients treated with quinapril/HCTZ in controlled and uncontrolled trials (N=1571) and less frequent, clinically significant events seen in clinical trials or postmarketing experience (the rarer events are in italics) include (listed by body system):
|BODY AS A WHOLE:||Asthenia, Malaise|
|CARDIOVASCULAR:||Palpitation, Tachycardia, Heart Failure, Hyperkalemia, Myocardial Infarction, Cerebrovascular Accident, Hypertensive Crisis, Angina Pectoris, Orthostatic Hypotension, Cardiac Rhythm Disturbance|
|GASTROINTESTINAL:||Mouth or Throat Dry, Gastrointestinal Hemorrhage, Pancreatitis, Abnormal Liver Function Tests|
|NERVOUS/PSYCHIATRIC:||Nervousness, Vertigo, Paresthesia|
|INTEGUMENTARY:||Pruritus, Sweating Increased, Erythema Multiforme, Exfoliative Dermatitis, Photosensitivity Reaction, Alopecia, Pemphigus|
|UROGENITAL SYSTEM:||Acute Renal Failure, Impotence|
|OTHER:||Agranulocytosis, Thrombocytopenia, Arthralgia|
|Angioedema:||Angioedema has been reported in 0.1% of patients receiving quinapril (0.1%) (see WARNINGS).|
The following serious nonfatal adverse events, regardless of their relationship to quinapril and HCTZ combination tablets, have been reported during extensive postmarketing experience:
BODY AS A WHOLE: Shock, accidental injury, neoplasm, cellulitis, ascites, generalized edema, hernia and anaphylactoid reaction.
CARDIOVASCULAR SYSTEM: Bradycardia, cor pulmonale, vasculitis, and deep thrombosis.
DIGESTIVE SYSTEM: Gastrointestinal carcinoma, cholestatic jaundice, hepatitis, esophagitis, vomiting, and diarrhea.
EYE DISORDERS: Acute myopia and acute angle closure glaucoma (see WARNINGS).
HEMIC SYSTEM: Anemia.
METABOLIC AND NUTRITIONAL DISORDERS: Weight loss.
MUSCULOSKELETAL SYSTEM: Myopathy, myositis, and arthritis.
NERVOUS SYSTEM: Paralysis, hemiplegia, speech disorder, abnormal gait, meningism, and amnesia.
RESPIRATORY SYSTEM: Pneumonia, asthma, respiratory infiltration, and lung disorder.
SKIN AND APPENDAGES: Urticaria, macropapular rash, and petechiases.
SPECIAL SENSES: Abnormal vision.
UROGENITAL SYSTEM: Kidney function abnormal, albuminuria, pyuria, hematuria, and nephrosis.
Quinapril monotherapy has been evaluated for safety in 4960 patients. In clinical trials adverse events which occurred with quinapril were also seen with Accuretic. In addition, the following were reported for quinapril at an incidence >0.5%: depression, back pain, constipation, syncope, and amblyopia.
Hydrochlorothiazide has been extensively prescribed for many years, but there has not been enough systematic collection of data to support an estimate of the frequency of the observed adverse reactions. Within organ-system groups, the reported reactions are listed here in decreasing order of severity, without regard to frequency.
|BODY AS A WHOLE:||Weakness.|
|CARDIOVASCULAR:||Orthostatic hypotension (may be potentiated by alcohol, barbiturates, or narcotics).|
|DIGESTIVE:||Pancreatitis, jaundice (intrahepatic cholestatic), sialadenitis, vomiting, diarrhea, cramping, nausea, gastric irritation, constipation, and anorexia.|
|NEUROLOGIC:||Vertigo, lightheadedness, transient blurred vision, headache, paresthesia, xanthopsia, weakness, and restlessness.|
|HEMATOLOGIC:||Aplastic anemia, agranulocytosis, leukopenia, thrombocytopenia, and hemolytic anemia.|
|RENAL:||Renal failure, renal dysfunction, interstitial nephritis (see WARNINGS).|
|METABOLIC:||Hyperglycemia, glycosuria, and hyperuricemia.|
|HYPERSENSITIVITY:||Necrotizing angiitis, Stevens-Johnson syndrome, respiratory distress (including pneumonitis and pulmonary edema), purpura, urticaria, rash, and photosensitivity.|
Clinical Laboratory Test FindingsSerum Electrolytes
See PRECAUTIONS.Creatinine, Blood Urea Nitrogen
Increases (>1.25 times the upper limit of normal) in serum creatinine and blood urea nitrogen were observed in 3% and 4%, respectively, of patients treated with Accuretic. Most increases were minor and reversible, which can occur in patients with essential hypertension but most frequently in patients with renal artery stenosis (see PRECAUTIONS).PBI and Tests of Parathyroid Function
See WARNINGS.Other (causal relationships unknown)
Other clinically important changes in standard laboratory tests were rarely associated with Accuretic administration. Elevations in uric acid, glucose, magnesium, cholesterol, triglyceride, and calcium (see PRECAUTIONS) have been reported.
No specific information is available on the treatment of overdosage with Accuretic or quinapril monotherapy; treatment should be symptomatic and supportive. Therapy with Accuretic should be discontinued, and the patient should be observed. Dehydration, electrolyte imbalance, and hypotension should be treated by established procedures.
The oral median lethal dose of quinapril/hydrochlorothiazide in combination ranges from 1063/664 to 4640/2896 mg/kg in mice and rats. Doses of 1440 to 4280 mg/kg of quinapril cause significant lethality in mice and rats. In single-dose studies of hydrochlorothiazide, most rats survived doses up to 2.75 g/kg.
Data from human overdoses of ACE inhibitors are scanty; the most likely manifestation of human quinapril overdosage is hypotension. In human hydrochlorothiazide overdose, the most common signs and symptoms observed have been those of dehydration and electrolyte depletion (hypokalemia, hypochloremia, hyponatremia). If digitalis has also been administered, hypokalemia may accentuate cardiac arrhythmias.
Laboratory determinations of serum levels of quinapril and its metabolites are not widely available, and such determinations have, in any event, no established role in the management of quinapril overdose.
No data are available to suggest physiological maneuvers (e.g., maneuvers to change the pH of the urine) that might accelerate elimination of quinapril and its metabolites. Hemodialysis and peritoneal dialysis have little effect on the elimination of quinapril and quinaprilat.
Angiotensin II could presumably serve as a specific antagonist-antidote in the setting of quinapril overdose, but angiotensin II is essentially unavailable outside of scattered research facilities. Because the hypotensive effect of quinapril is achieved through vasodilation and effective hypovolemia, it is reasonable to treat quinapril overdose by infusion of normal saline solution.
PRINCIPAL DISPLAY PANEL - 20 mg/25 mg Tablet Bottle Label
20 mg/25 mg*
quinapril hydrochloride and hydrochlorothiazide tablet, film coated
quinapril hydrochloride and hydrochlorothiazide tablet, film coated
quinapril hydrochloride and hydrochlorothiazide tablet, film coated
|Labeler - Parke-Davis Div of Pfizer Inc (829076962)|
|Pfizer Manufacturing Deutschland GmbH (Betriebsstätte Freiburg)||341970073||ANALYSIS(0071-0220, 0071-0222, 0071-0223), LABEL(0071-0220, 0071-0222, 0071-0223), MANUFACTURE(0071-0220, 0071-0222, 0071-0223), PACK(0071-0220, 0071-0222, 0071-0223)|
|Pfizer Pharmaceuticals LLC||829084552||ANALYSIS(0071-0220, 0071-0222, 0071-0223), PACK(0071-0220, 0071-0222, 0071-0223)|
Accuretic is a prescription medication used to treat high blood pressure. It is a single product containing 2 medications: quinapril and hydrochlorothiazide. Quinapril belongs to a group of drugs called angiotensin-converting enzyme (ACE) inhibitors. Quinapril works by blocking the ACE enzyme, which helps blood vessels to relax and lowers blood pressure. Hydrochlorothiazide belongs to a group of drugs called thiazide diuretics, which work by stopping reabsorption of salt into your body. This prevents fluid from building up in the body.
This medication comes in tablet form. It is given once daily, with or without food.
Common side effects include headache, coughing, and muscle pain.
Accuretic can also cause tiredness (fatigue) and dizziness. Do not drive or operate heavy machinery until you know how Accuretic affects you.
- Take Accuretic exactly as prescribed.
- Accuretic comes in a tablet form and is taken by mouth once daily with or without food.
Take this medication exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.
The dose your doctor recommends may be based on the following:
- your blood pressure
- previous medications used and the doses tried
- how you respond to this medication
- your other medical conditions
The usual dose range of Accuretic to treat high blood pressure is quinapril 10 to 80 mg and hydrochlorothiazide 12.5 to 50 mg once daily.
Accuretic FDA Warning
WARNING: FETAL TOXICITY
- When pregnancy is detected, discontinue Accuretic as soon as possible.
- Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus.