Acebutolol Hydrochloride 200 mg Capsule, 100-count
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the beta-Adrenergic Blocker class.
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🏭 Manufacturer & labeler
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🩺 Clinical
Acebutolol is used to treat high blood pressure and irregular heart rhythms. Acebutolol is in a class of medications called beta blockers. It works by relaxing blood vessels and slowing heart rate to improve blood flow and decrease blood pressure.
Read the full MedlinePlus article ↗- Acebutolol is most commonly prescribed for one of two things: high blood pressure (hypertension) or abnormal heartbeats called ventricular premature beats. For blood pressure, it w...
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Supplement & herbal interactions
Acebutolol may be associated with lower levels of 1 nutrient — worth a chat with your pharmacist, not a cause for alarm.
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💊 What it looks like
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🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
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UNII 5138Q19F1X
Ammonia is a colorless gas made from nitrogen and hydrogen. It's used in medicines as a pH buffer to maintain the correct acidity level and help keep the product stable.
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UNII 05JZI7B19X
A plant-based thickener made from cellulose that holds water and creates texture. It works as a binder and thickening agent to give the medicine its proper consistency and help ingredients blend together.
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UNII H3R47K3TBD
FD&C Blue No. 1 is a synthetic blue dye approved for use in foods and medicines. It serves as a colorant to give the medication its distinctive appearance and help with product identification.
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UNII WZB9127XOA
A synthetic red dye used to color medications and make them easier to identify. It serves as a colorant in tablets, capsules, and liquid formulations.
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UNII EX438O2MRT
Ferric oxide yellow is a naturally occurring iron compound used as a colorant in medications. It gives tablets, capsules, and other forms a yellow or golden hue for identification and appearance.
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UNII XM0M87F357
A dark iron oxide compound that gives medicines their black or dark color. It's used as a colorant in tablets and capsules to help identify the product and make it visually distinctive.
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Gelatin is a protein derived from animal collagen, commonly used in medicines as a gelling agent and capsule material. It helps create soft or hard capsule shells that hold and release medication, and can also thicken liquid formulations.
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UNII Q8Y7S3B85M
A naturally derived fatty acid used in medicines as a lubricant and binder. It helps pills slide smoothly during manufacturing and holds ingredients together in solid dosage forms.
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Potassium hydroxide is a strong alkaline chemical used in medicines to adjust and maintain the pH level of liquid formulations, helping keep the product stable and the active ingredients effective.
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Povidone K30 is a synthetic polymer made from petroleum. It acts as a binder to hold tablet ingredients together and as a disintegrant to help the tablet break apart in the stomach so the medicine can be absorbed.
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UNII 6DC9Q167V3
Propylene glycol is a clear liquid derived from petroleum or vegetable sources. It acts as a solvent, humectant, and preservative in medicines, helping dissolve active ingredients and maintain product stability.
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UNII 46N107B71O
Shellac is a natural resin secreted by the lac beetle. It's used as a coating on tablets and capsules to control how quickly the medicine dissolves and to improve appearance and stability.
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UNII 368GB5141J
A detergent and foaming agent derived from coconut or palm oil. In medications, it helps break down and mix oil and water-based ingredients, aids in tablet disintegration, and improves how the drug dissolves and spreads in the mouth or digestive system.
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UNII O8232NY3SJ
A plant-based carbohydrate derived from corn kernels. It acts as a filler to add bulk, a binder to hold ingredients together, and a disintegrant to help the tablet break apart in your stomach for absorption.
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UNII 15FIX9V2JP
Titanium dioxide is a bright white mineral powder commonly used as a colorant and opacifying agent. It makes pills and tablets white or lighter in color and helps make coatings non-transparent.
15 inactive ingredients listed in the exact product block matched to this NDC.
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ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per ea | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | $0.616 | $61.64 / 100 capsules |
| Medicaid paysCMS SDUD · 12 mo | $0.6123 | $61.23 / 100 capsules |
| Medicare drug plans payPart D · Q2 2026 | $0.5695 | $56.95 / 100 capsules |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Acebutolol Hydrochloride 200 mg 50268-0050-15 | AvPAK | 50 capsules | $0.616 | AB | Availability likely | — |
| Acebutolol Hydrochloride 200 mg 53746-0669-01 | Amneal | 100 capsules | $0.616 | AB | Availability likely | — |
| Acebutolol Hydrochloride 200 mgthis 62559-0255-01 | ANI | 100 capsules | $0.616 | AB | Availability likely | — |
| Acebutolol Hydrochloride 200 mg 42291-0010-01 | AvKARE | 100 capsules | — | AB | FDA listed | — |
| Acebutolol Hydrochloride 200 mg 51407-0666-01 | Golden | 100 capsules | — | AB | FDA listed | — |
| Acebutolol Hydrochloride 200 mg 65162-0669-10 | Amneal | 100 capsules | — | AB | FDA listed | — |
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⏳ Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
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🗺️ Medicaid utilization & spend
📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 62559-0255-01 You're viewing this | 100 CAPSULE in 1 BOTTLE (62559-255-01) | 2022-07-25 | Active |
📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
INDICATIONS AND USAGE Hypertension Acebutolol Hydrochloride Capsules USP are indicated for the management of hypertension in adults. It may be used alone or in combination with other antihypertensive agents, especially thiazide-type diuretics. Ventricular Arrhythmias Acebutolol Hydrochloride Capsules USP are indicated in the management of ventricular premature beats; it reduces the total number of premature beats, as well as the number of paired and multiform ventricular ectopic beats, and R-on-T beats.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION Hypertension The initial dosage of acebutolol in uncomplicated mild-to-moderate hypertension is 400 mg. This can be given as a single daily dose, but in occasional patients twice daily dosing may be required for adequate 24-hour blood-pressure control. An optimal response is usually achieved with dosages of 400 mg to 800 mg per day, although some patients have been maintained on as little as 200 mg per day.
Patients with more severe hypertension or who have demonstrated inadequate control may respond to a total of 1200 mg daily (administered b.i.d.), or to the addition of a second antihypertensive agent. Beta-1 selectivity diminishes as dosage is increased. Ventricular Arrhythmia The usual initial dose of acebutolol is 400 mg daily given as 200 mg b.i.d.
Dosage should be increased gradually until an optimal clinical response is obtained, generally at 600 mg to 1200 mg per day. If treatment is to be discontinued, the dosage should be reduced gradually over a period of about two weeks. Use in Older Patients Older patients have an approximately 2-fold increase in bioavailability and may require lower maintenance doses.
Doses above 800 mg/day should be avoided in the elderly.
⛔ Contraindications ▾
CONTRAINDICATIONS Acebutolol hydrochloride capsules are contraindicated in: 1) persistently severe bradycardia; 2) second- and third-degree heart block; 3) overt cardiac failure; and 4) cardiogenic shock. (See WARNINGS .)
⚠️ Warnings ▾
WARNINGS Cardiac Failure Sympathetic stimulation may be essential for support of the circulation in individuals with diminished myocardial contractility, and its inhibition by β-adrenergic receptor blockade may precipitate more severe failure. Although β-blockers should be avoided in overt cardiac failure, acebutolol can be used with caution in patients with a history of heart failure who are controlled with digitalis and/or diuretics. Both digitalis and acebutolol impair AV conduction.
If cardiac failure persists, therapy with acebutolol should be withdrawn. In Patients Without a History of Cardiac Failure In patients with aortic or mitral valve disease or compromised left ventricular function, continued depression of the myocardium with β-blocking agents over a period of time may lead to cardiac failure. At the first signs of failure, patients should be digitalized and/or be given a diuretic and the response observed closely.
If cardiac failure continues despite adequate digitalization and/or diuretic, acebutolol therapy should be withdrawn. Exacerbation of Ischemic Heart Disease Following Abrupt Withdrawal Following abrupt cessation of therapy with certain β-blocking agents in patients with coronary artery disease, exacerbation of angina pectoris and, in some cases, myocardial infarction and death have been reported. Therefore, such patients should be cautioned against interruption of therapy without a physician’s advice.
Even in the absence of overt ischemic heart disease, when discontinuation of acebutolol is planned, the patient should be carefully observed, and should be advised to limit physical activity to a minimum while acebutolol is gradually withdrawn over a period of about two weeks. (If therapy with an alternative β-blocker is desired, the patient may be transferred directly to comparable doses of another agent without interruption of β-blocking therapy.) If an exacerbation of angina pectoris occurs, antianginal therapy should be restarted immediately in full doses and the patient hospitalized until his condition stabilizes.
Peripheral Vascular Disease Treatment with β-antagonists reduces cardiac output and can precipitate or aggravate the symptoms of arterial insufficiency in patients with peripheral or mesenteric vascular disease. Caution should be exercised with such patients, and they should be observed closely for evidence of progression of arterial obstruction. Bronchospastic Disease PATIENTS WITH BRONCHOSPASTIC DISEASE SHOULD, IN GENERAL, NOT RECEIVE A β-BLOCKER.
Because of its relative β1-selectivity, however, low doses of acebutolol may be used with caution in patients with bronchospastic disease who do not respond to, or who cannot tolerate, alternative treatment. Since β1-selectivity is not absolute and is dose-dependent, the lowest possible dose of acebutolol should be used initially, preferably in divided doses to avoid the higher plasma levels associated with the longer dose-interval. A bronchodilator, such as theophylline or a β2-stimulant, should be made available in advance with instructions concerning its use.
Major Surgery Chronically administered beta-blocking therapy should not be routinely withdrawn prior to major surgery; however, the impaired ability of the heart to respond to reflex adrenergic stimuli may augment the risks of general anesthesia and surgical procedures. Diabetes and Hypoglycemia β-blockers may potentiate insulin-induced hypoglycemia and mask some of its manifestations such as tachycardia; however, dizziness and sweating are usually not significantly affected. Diabetic patients should be warned of the possibility of masked hypoglycemia.
Thyrotoxicosis β-adrenergic blockade may mask certain clinical signs (tachycardia) of hyperthyroidism. Abrupt withdrawal of β-blockade may precipitate a thyroid storm; therefore, patients suspected of developing thyrotoxicosis from whom acebutolol therapy is to be withdrawn should be monitored closely.
🤒 Adverse Reactions ▾
ADVERSE REACTIONS Acebutolol is well tolerated in properly selected patients. Most adverse reactions have been mild, not required discontinuation of therapy, and tended to decrease as duration of treatment increases. The following table shows the frequency of treatment-related side effects derived from controlled clinical trials in patients with hypertension, angina pectoris, and arrhythmia.
These patients received acebutolol, propranolol, or hydrochlorothiazide as monotherapy, or placebo. TOTAL VOLUNTEERED AND ELICITED (U.S. STUDIES) Body System/ Adverse Reaction Acebutolol (N=1002) % Propranolol (N=424) % Hydrochlorothiazide (N=178) % Placebo (N=314) % Cardiovascular Chest Pain 2 4 4 1 Edema 2 2 4 1 Central Nervous System Depression 2 1 3 1 Dizziness 6 7 12 2 Fatigue 11 17 10 4 Headache 6 9 13 4 Insomnia 3 6 5 1 Abnormal dreams 2 3 0 1 Dermatologic Rash 2 2 4 1 Gastrointestinal Constipation 4 2 7 0 Diarrhea 4 5 5 1 Dyspepsia 4 6 3 1 Flatulence 3 4 7 1 Nausea 4 6 3 0 Genitourinary Micturition (frequency) 3 1 9 <1 Musculoskeletal Arthralgia 2 1 3 2 Myalgia 2 1 4 0 Respiratory Cough 1 1 2 0 Dyspnea 4 6 4 2 Rhinitis 2 1 4 <1 Special Senses Abnormal Vision 2 2 3 0 The following selected (potentially important) side effects were seen in up to 2% of acebutolol patients: Cardiovascular: hypotension, bradycardia, heart failure.
Central Nervous System: anxiety, hyper/hypoesthesia, impotence. Dermatological: pruritus. Gastrointestinal: vomiting, abdominal pain.
Genitourinary: dysuria, nocturia. Liver and Biliary System: A small number of cases of liver abnormalities (increased SGOT, SGPT, LDH) have been reported in association with acebutolol therapy. In some cases increased bilirubin or alkaline phosphatase, fever, malaise, dark urine, anorexia, nausea, headache, and/or other symptoms have been reported.
In some of the reported cases, the symptoms and signs were confirmed by rechallenge with acebutolol. The abnormalities were reversible upon cessation of acebutolol therapy. Musculoskeletal: back pain, joint pain.
Respiratory: pharyngitis, wheezing. Special Senses: conjunctivitis, dry eye, eye pain. Autoimmune: In extremely rare instances, systemic lupus erythematosus has been reported.
The incidence of drug-related adverse effects (volunteered and solicited) according to acebutolol dose is shown below. (Data from 266 hypertensive patients treated for 3 months on a constant dose.) Body System 400 mg/day (N=132) 800 mg/day (N=63) 1200 mg/day (N=71) Cardiovascular 5% 2% 1% Gastrointestinal 3% 3% 1% Musculoskeletal 2% 3% 4% Central Nervous System 9% 13% 17% Respiratory 1% 5% 6% Skin 1% 2% 1% Special Senses 2% 2% 6% Genitourinary 2% 3% 1% Potential Adverse Events In addition, certain adverse effects not listed above have been reported with other β-blocking agents and should also be considered as potential adverse effects of acebutolol.
Central Nervous System: Reversible mental depression progressing to catatonia (an acute syndrome characterized by disorientation for time and place), short-term memory loss, emotional lability, slightly clouded sensorium, and decreased performance (neuropsychometrics). Cardiovascular: Intensification of AV block (see CONTRAINDICATIONS ). Allergic: Erythematous rash, fever combined with aching and sore throat, laryngospasm, and respiratory distress.
Hematologic: Agranulocytosis, nonthrombocytopenic, and thrombocytopenic purpura. Gastrointestinal: Mesenteric arterial thrombosis and ischemic colitis. Miscellaneous: Reversible alopecia and Peyronie’s disease.
The oculomucocutaneous syndrome associated with the β-blocker practolol has not been reported with acebutolol during investigational use and extensive foreign clinical experience. To report SUSPECTED ADVERSE REACTIONS, contact ANI Pharmaceuticals, Inc. at 1-855-204-1431 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
🔄 Drug Interactions ▾
Drug Interactions Catecholamine-depleting drugs, such as reserpine, may have an additive effect when given with β-blocking agents. Patients treated with acebutolol plus catecholamine depletors should, therefore, be observed closely for evidence of marked bradycardia or hypotension which may present as vertigo, syncope/presyncope, or orthostatic changes in blood pressure without compensatory tachycardia. Exaggerated hypertensive responses have been reported from the combined use of β-adrenergic antagonists and α-adrenergic stimulants, including those contained in proprietary cold remedies and vasoconstrictive nasal drops.
Patients receiving β-blockers should be warned of this potential hazard. Blunting of the antihypertensive effect of beta-adrenoreceptor blocking agents by nonsteroidal anti-inflammatory drugs has been reported. No significant interactions with digoxin, hydrochlorothiazide, hydralazine, sulfinpyrazone, oral contraceptives, tolbutamide, or warfarin have been observed.
Both digitalis glycosides and beta-blockers slow atrioventricular conduction and decrease heart rate. Concomitant use can increase the risk of bradycardia.
🤰 Pregnancy ▾
Pregnancy Teratogenic Effects Reproduction studies have been performed with acebutolol in rats (up to 630 mg/kg/day) and rabbits (up to 135 mg/kg/day). These doses are equivalent to approximately 31.5 and 6.8 times the maximum recommended therapeutic dose in a 60-kg human, respectively. The compound was not teratogenic in either species.
In the rabbit, however, doses of 135 mg/kg/day caused slight fetal growth retardation; this effect was considered to be a result of maternal toxicity, as evidenced by reduced food intake, a lowered rate of body weight gain, and mortality. Studies have also been performed in these species with diacetolol (at doses of up to 450 mg/kg/day in rabbits and up to 1800 mg/kg/day in rats). Other than a significant elevation in post-implantation loss with 450 mg/kg/day diacetolol, a level at which food consumption and body weight gain were reduced in rabbit dams and a nonstatistically significant increase in incidence of bilateral cataract in rat fetuses from dams treated with 1800 mg/kg/day diacetolol, there was no evidence of harm to the fetus.
There are no adequate and well-controlled trials in pregnant women. Because animal teratology studies are not always predictive of the human response, acebutolol should be used during pregnancy only if the potential benefit justifies the risk to the fetus. Non–Teratogenic Effects Studies in humans have shown that both acebutolol and diacetolol cross the placenta.
Neonates of mothers who have received acebutolol during pregnancy have reduced birth weight, decreased blood pressure, and decreased heart rate. In the newborn the elimination half-life of acebutolol was 6 to 14 hours, while the half-life of diacetolol was 24 to 30 hours for the first 24 hours after birth, followed by a half-life of 12 to 16 hours. Adequate facilities for monitoring these infants at birth should be available.
🧒 Pediatric Use ▾
Pediatric Use Safety and effectiveness in pediatric patients have not been established.
🧓 Geriatric Use ▾
Geriatric Use Clinical studies of acebutolol and other reported clinical experience is inadequate to determine whether there are differences in safety or effectiveness between patients above or below age 65. Elderly subjects evidence greater bioavailability of acebutolol (see CLINICAL PHARMACOLOGY – Pharmacokinetics and Metabolism ), presumably because of age related reduction in first-pass metabolism and renal function. Therefore, it may be appropriate to start elderly patients at the low end of the dosing range (see DOSAGE AND ADMINISTRATION – Use in Older Patients ).
🆘 Overdosage ▾
OVERDOSAGE No specific information on emergency treatment of overdosage is available for acebutolol. However, overdosage with other β-blocking agents has been accompanied by extreme bradycardia, advanced atrioventricular block, intraventricular conduction defects, hypotension, severe congestive heart failure, seizures, and in susceptible patients, bronchospasm and hypoglycemia. Although specific information on the emergency treatment of acebutolol overdose is not available on the basis of the pharmacological actions and the observations in treating overdoses with other β-blockers, the following general measures should be considered: 1.
Empty stomach by emesis or lavage. 2. Bradycardia: IV atropine (1 mg to 3 mg in divided doses).
If antivagal response is inadequate, administer isoproterenol cautiously since larger than usual doses of isoproterenol may be required. 3. Persistent hypotension in spite of correction of bradycardia: Administer vasopressor (e.g., epinephrine, norepinephrine, dopamine, or dobutamine) with frequent monitoring of blood pressure and pulse rate.
4. Bronchospasm: A theophylline derivative, such as aminophylline and/or parenteral β2-stimulant, such as terbutaline. 5.
Cardiac failure: Digitalize the patient and/or administer a diuretic. It has been reported that glucagon is useful in this situation. Acebutolol is dialyzable.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Acebutolol is a cardioselective, β-adrenoreceptor blocking agent, which possesses mild intrinsic sympathomimetic activity (ISA) in its therapeutically effective dose range. Pharmacodynamics β1-cardioselectivity has been demonstrated in experimental animal studies. In anesthetized dogs and cats, acebutolol is more potent in antagonizing isoproterenol-induced tachycardia (β1) than in antagonizing isoproterenol-induced vasodilatation (β2).
In guinea pigs and cats, it is more potent in antagonizing this tachycardia than in antagonizing isoproterenol-induced bronchodilatation (β2). ISA of acebutolol has been demonstrated in catecholamine-depleted rats by tachycardia induced by intravenous administration of this agent. A membrane-stabilizing effect has been detected in animals, but only with high concentrations of acebutolol.
Clinical studies have demonstrated β1-blocking activity at the recommended doses by: a) reduction in the resting heart rate and decrease in exercise-induced tachycardia; b) reduction in cardiac output at rest and after exercise; c) reduction of systolic and diastolic blood pressures at rest and post exercise; d) inhibition of isoproterenol-induced tachycardia. The β1-selectivity of acebutolol has also been demonstrated on the basis of the following vascular and bronchial effects: Vascular Effects: Acebutolol has less antagonistic effects on peripheral vascular β2-receptors at rest and after epinephrine stimulation than nonselective β-antagonists.
Bronchial Effects: In single-dose studies in asthmatics examining effects of various beta-blockers on pulmonary function, low doses of acebutolol produce less evidence of bronchoconstriction and less reduction of beta2 agonist, bronchodilating effects, than nonselective agents like propranolol but more than atenolol. ISA has been observed with acebutolol in man, as shown by a slightly smaller (about 3 beats per minute) decrease in resting heart rate when compared to equivalent β-blocking doses of propranolol, metoprolol or atenolol.
Chronic therapy with acebutolol induced no significant alteration in the blood lipid profile. Acebutolol has been shown to delay AV conduction time and to increase the refractoriness of the AV node without significantly affecting sinus node recovery time, atrial refractory period, or the HV conduction time. The membrane-stabilizing effect of acebutolol is not manifest at the doses used clinically.
Significant reductions in resting and exercise heart rates and systolic blood pressures have been observed 1.5 hours after acebutolol administration with maximal effects occurring between 3 and 8 hours post-dosing in normal volunteers. Acebutolol has demonstrated a significant effect on exercise-induced tachycardia 24 to 30 hours after drug administration. There are significant correlations between plasma levels of acebutolol and both the reduction in resting heart rate and the percent of β-blockade of exercise-induced tachycardia.
The antihypertensive effect of acebutolol has been shown in double-blind controlled studies to be superior to placebo and similar to propranolol and hydrochlorothiazide. In addition, patients responding to acebutolol administered twice daily had a similar response whether the dosage regimen was changed to once daily administration or continued on a b.i.d. regimen. Most patients responded to 400 mg to 800 mg per day in divided doses.
The antiarrhythmic effect of acebutolol was compared with placebo, propranolol, and quinidine. Compared with placebo, acebutolol significantly reduced mean total ventricular ectopic beats (VEB), paired VEB, multiform VEB, R-on-T beats, and ventricular tachycardia (VT). Both acebutolol and propranolol significantly reduced mean total and paired VEB and VT.
Acebutolol and quinidine significantly reduced resting total and complex VEB; the antiarrhythmic efficacy of acebutolol was also observed during exercise. Pharmacokinetics and Metabolism Acebutolol is well absorbed fro…
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED Acebutolol Hydrochloride Capsules USP are available in the following dosage strengths: 200 mg (acebutolol hydrochloride equivalent to 200 mg of acebutolol): hard gelatin capsule with a gray opaque body and red opaque cap imprinted with “ANI 255” in black ink. NDC 62559-255-01 Bottles of 100 capsules. 400 mg (acebutolol hydrochloride equivalent to 400 mg of acebutolol): hard gelatin capsule with a green opaque body and maroon opaque cap imprinted with “ANI 256” in white ink.
NDC 62559-256-01 Bottles of 100 capsules. Keep tightly closed. Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature].
Protect from light. Dispense in a tight, light-resistant container. Distributed by: ANI Pharmaceuticals, Inc.
Baudette, MN 56623 Issued: 04/2025 LB4527-01 logo
📋 Description ▾
DESCRIPTION Acebutolol hydrochloride USP is a selective, hydrophilic beta-adrenoreceptor blocking agent with mild intrinsic sympathomimetic activity for use in treating patients with hypertension and ventricular arrhythmias. It is marketed in capsule form for oral administration. Acebutolol Hydrochloride Capsules USP are provided in two dosage strengths which contain 200 mg or 400 mg of acebutolol as the hydrochloride salt.
The inactive ingredients are povidone, corn starch, pregelatinized starch, and stearic acid. The capsule shells and imprinting ink for the 200 mg dosage strength also contain FD&C Blue 1, FD&C Red 40, titanium dioxide, black iron oxide, yellow iron oxide, sodium lauryl sulfate, gelatin, carboxymethylcellulose, shellac, ammonium hydroxide, propylene glycol, and potassium hydroxide. The capsule shells and imprinting ink for the 400 mg dosage strength also contain FD&C Blue 1, FD&C Red 3, titanium dioxide, FD&C Yellow 6, D&C Yellow 10, sodium lauryl sulfate, gelatin, shellac, ammonium hydroxide, propylene glycol, simethicone, and sodium hydroxide.
Acebutolol hydrochloride USP has the following structural formula: C 18 H 28 N 2 O 4 •HCl M.W. 372.9 Acebutolol hydrochloride USP is a white or slightly off-white powder freely soluble in water, and less soluble in alcohol. Chemically it is defined as the hydrochloride salt of (±)N-[3-Acetyl-4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl] butanamide.
Structure
💬 Information for Patients ▾
Information for Patients Patients, especially those with evidence of coronary artery disease, should be warned against interruption or discontinuation of acebutolol therapy without a physician’s supervision. Although cardiac failure rarely occurs in properly selected patients, those being treated with β-adrenergic blocking agents should be advised to consult a physician if they develop signs or symptoms suggestive of impending CHF, or unexplained respiratory symptoms. Patients should also be warned of possible severe hypertensive reactions from concomitant use of α-adrenergic stimulants, such as the nasal decongestants commonly used in OTC cold preparations and nasal drops.