Propranolol Hydrochloride 10 mg Tablet, 90-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
Propranolol is used to treat high blood pressure irregular heartbeats pheochromocytoma (tumor on a small gland near the kidneys) certain types of tremor hypertrophic subaortic stenosis (a heart muscle disease angina (chest pain) migraine headaches Propranolol is also used to improve survival after a heart attack. Propranolol 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 ↗- Please don't stop propranolol on your own — even if you feel great. Stopping suddenly, especially if you have angina or any underlying heart disease, can cause a dangerous rebound...
- Can I stop taking propranolol if I feel fine and my blood pressure is under control?
- Bronchial asthma is actually a contraindication for propranolol, meaning it should not be used if you have asthma. Propranolol blocks receptors in your airways that help keep them...
- I have asthma — is it safe for me to take propranolol?
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Propranolol Hydrochloride — tap one for details:
Propranolol Hydrochloride 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 M28OL1HH48
Croscarmellose sodium is a plant-based substance derived from cellulose. It acts as a disintegrant, helping tablets and capsules break down quickly in the digestive system so the medicine can be absorbed.
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UNII H77VEI93A8
A synthetic yellow dye used to color medications. It helps identify the drug and make it visually distinctive, with no effect on how the medicine works.
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UNII EWQ57Q8I5X
Lactose monohydrate is a natural sugar derived from milk. It serves as a filler and binder in tablets and capsules, helping create the proper size, texture, and consistency of the medicine.
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UNII 70097M6I30
Magnesium stearate is a salt made from magnesium and stearic acid, a fatty substance. It's used in tablets and capsules as a lubricant and glidant to help ingredients flow smoothly during manufacturing and prevent sticking.
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UNII OP1R32D61U
Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
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UNII ETJ7Z6XBU4
Silicon dioxide is a naturally occurring mineral used as a glidant and anti-caking agent. It helps powder ingredients flow smoothly and prevents clumping during manufacturing and storage.
6 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 each | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · Q2 2026 | $0.1164 | $10.48 / 90 tablets |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Propranolol Hydrochloride 10 mg 00378-0182-01 | Mylan | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 00603-5482-21 | Par | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 00904-7467-61 | Major | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 50268-0662-15 | AvPAK | 50 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 60687-0587-01 | American | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 60687-0926-01 | American | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 69238-2077-01 | Amneal | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 69292-0530-01 | AMICI | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol hydrochloride 10 mg 70756-0094-11 | Lifestar | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 83980-0005-01 | Ipca | 100 tablets | $0.048 | AB | Availability likely | — |
| Propranolol Hydrochloride 10 mg 00615-8417-39 | NCS | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 50090-7097-00 | A-S | 40 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 50090-7593-01 | A-S | 100 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 51407-0235-01 | Golden | 100 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 51655-0864-26 | Northwind | 90 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 55154-2144-00 | Cardinal | 10 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 63629-2274-01 | Bryant | 1000 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 63629-2275-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 66267-0261-90 | NuCare | 90 tablets | — | — | FDA listed | — |
| Propranolol Hydrochloride 10 mg 67046-0211-03 | Coupler | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 68071-2710-09 | NuCare | 90 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 68788-4131-01 | Preferred | 100 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 68788-7860-03 | Preferred | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 68788-8604-03 | Preferred | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 70518-3102-00 | REMEDYREPACK | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 70518-3281-00 | REMEDYREPACK | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 70518-4471-00 | REMEDYREPACK | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 71205-0446-30 | Proficient | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 71335-0554-01 | Bryant | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 71335-1994-01 | Bryant | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 71335-2372-01 | Bryant | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 71335-3117-01 | Bryant | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 72162-1175-00 | Bryant | 1000 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 72189-0074-30 | DIRECT | 30 tablets | — | — | FDA listed | — |
| Propranolol Hydrochloride 10 mg 72189-0322-30 | Direct | 30 tablets | — | AB | FDA listed | — |
| Propranolol HCL 10 mg 72189-0672-60 | Direct_Rx | 60 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 72789-0495-90 | PD-Rx | 90 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 76420-0383-00 | Asclemed | 1000 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 80425-0463-01 | Advanced | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mgthis 80425-0464-03 | Advanced | 90 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 80425-0583-01 | Advanced | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 82804-0258-30 | Proficient | 30 tablets | — | AB | FDA listed | — |
| Propranolol Hydrochloride 10 mg 55154-2584-00 | Cardinal | 10 tablets | — | 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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🔬 Reported adverse events (FAERS)
Top reported reactions
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 80425-0464-01 | 30 TABLET in 1 BOTTLE (80425-0464-1) | 2024-12-18 | Active |
| 80425-0464-02 | 60 TABLET in 1 BOTTLE (80425-0464-2) | 2024-12-18 | Active |
| 80425-0464-03 You're viewing this | 90 TABLET in 1 BOTTLE (80425-0464-3) | 2024-12-18 | Active |
You're viewing the largest of 3 pack sizes for this product.
Pack size FAQ
What quantity is in NDC 80425-0464-03?
What is the difference between NDC 80425-0464-03 and NDC 80425-0464-01?
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🧭 About this NDC listing & data coverage
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | ✓ Available |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
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📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
INDICATIONS AND USAGE Hypertension Propranolol hydrochloride tablets, USP are indicated in the management of hypertension. They may be used alone or used in combination with other antihypertensive agents, particularly a thiazide diuretic. Propranolol hydrochloride tablets, USP are not indicated in the management of hypertensive emergencies.
Angina Pectoris Due to Coronary Atherosclerosis Propranolol hydrochloride tablets, USP are indicated to decrease angina frequency and increase exercise tolerance in patients with angina pectoris. Atrial Fibrillation Propranolol hydrochloride tablets, USP are indicated to control ventricular rate in patients with atrial fibrillation and a rapid ventricular response. Myocardial Infarction Propranolol hydrochloride tablets, USP are indicated to reduce cardiovascular mortality in patients who have survived the acute phase of myocardial infarction and are clinically stable.
Migraine Propranolol hydrochloride tablets, USP are indicated for the prophylaxis of common migraine headache. The efficacy of propranolol in the treatment of a migraine attack that has started has not been established, and propranolol is not indicated for such use. Essential Tremor Propranolol hydrochloride tablets, USP are indicated in the management of familial or hereditary essential tremor.
Familial or essential tremor consists of involuntary, rhythmic, oscillatory movements, usually limited to the upper limbs. It is absent at rest, but occurs when the limb is held in a fixed posture or position against gravity and during active movement. Propranolol hydrochloride causes a reduction in the tremor amplitude, but not in the tremor frequency.
Propranolol hydrochloride tablets, USP are not indicated for the treatment of tremor associated with Parkinsonism. Hypertrophic Subaortic Stenosis Propranolol hydrochloride tablets, USP improves NYHA functional class in symptomatic patients with hypertrophic subaortic stenosis. Pheochromocytoma Propranolol hydrochloride tablets, USP are indicated as an adjunct to alpha-adrenergic blockade to control blood pressure and reduce symptoms of catecholamine-secreting tumors.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION General Because of the variable bioavailability of propranolol, the dose should be individualized based on response. Hypertension The usual initial dosage is 40 mg propranolol hydrochloride twice daily, whether used alone or added to a diuretic. Dosage may be increased gradually until adequate blood pressure control is achieved.
The usual maintenance dosage is 120 mg to 240 mg per day. In some instances a dosage of 640 mg a day may be required. The time needed for full antihypertensive response to a given dosage is variable and may range from a few days to several weeks.
While twice-daily dosing is effective and can maintain a reduction in blood pressure throughout the day, some patients, especially when lower doses are used, may experience a modest rise in blood pressure toward the end of the 12 hour dosing interval. This can be evaluated by measuring blood pressure near the end of the dosing interval to determine whether satisfactory control is being maintained throughout the day. If control is not adequate, a larger dose, or 3 times daily therapy may achieve better control.
Angina Pectoris Total daily doses of 80 mg to 320 mg propranolol hydrochloride, when administered orally, twice a day, three times a day, or four times a day, have been shown to increase exercise tolerance and to reduce ischemic changes in the ECG. If treatment is to be discontinued, reduce dosage gradually over a period of several weeks (see WARNINGS ). Atrial Fibrillation The recommended dose is 10 mg to 30 mg propranolol hydrochloride three or four times daily before meals and at bedtime.
Myocardial Infarction In the Beta-Blocker Heart Attack Trial (BHAT), the initial dose was 40 mg t.i.d., with titration after 1 month to 60 mg to 80 mg t.i.d. as tolerated. The recommended daily dosage is 180 mg to 240 mg propranolol hydrochloride per day in divided doses. Although a t.i.d. regimen was used in the BHAT and a q.i.d. regimen in the Norwegian Multicenter Trial, there is a reasonable basis for the use of either a t.i.d. or b.i.d. regimen (see PHARMACODYNAMICS AND CLINICAL EFFECTS ).
The effectiveness and safety of daily dosages greater than 240 mg for prevention of cardiac mortality have not been established. However, higher dosages may be needed to effectively treat coexisting diseases such as angina or hypertension (see above). Migraine The initial dose is 80 mg propranolol hydrochloride daily in divided doses.
The usual effective dose range is 160 mg to 240 mg per day. The dosage may be increased gradually to achieve optimum migraine prophylaxis. If a satisfactory response is not obtained within four to six weeks after reaching the maximum dose, propranolol hydrochloride therapy should be discontinued.
It may be advisable to withdraw the drug gradually over a period of several weeks. Essential Tremor The initial dosage is 40 mg propranolol hydrochloride twice daily. Optimum reduction of essential tremor is usually achieved with a dose of 120 mg per day.
Occasionally, it may be necessary to administer 240 mg to 320 mg per day. Hypertrophic Subaortic Stenosis The usual dosage is 20 mg to 40 mg propranolol hydrochloride three or four times daily before meals and at bedtime. Pheochromocytoma The usual dosage is 60 mg propranolol hydrochloride daily in divided doses for three days prior to surgery as adjunctive therapy to alpha-adrenergic blockade.
For the management of inoperable tumors, the usual dosage is 30 mg daily in divided doses as adjunctive therapy to alpha-adrenergic blockade.
⛔ Contraindications ▾
CONTRAINDICATIONS Propranolol is contraindicated in 1) cardiogenic shock; 2) sinus bradycardia and greater than first degree block; 3) bronchial asthma; and 4) in patients with known hypersensitivity to propranolol hydrochloride.
⚠️ Warnings ▾
WARNINGS Angina Pectoris There have been reports of exacerbation of angina and, in some cases, myocardial infarction, following abrupt discontinuance of propranolol therapy. Therefore, when discontinuance of propranolol is planned, the dosage should be gradually reduced over at least a few weeks and the patient should be cautioned against interruption or cessation of therapy without the physician’s advice. If propranolol therapy is interrupted and exacerbation of angina occurs, it usually is advisable to reinstitute propranolol therapy and take other measures appropriate for the management of angina pectoris.
Since coronary artery disease may be unrecognized, it may be prudent to follow the above advice in patients considered at risk of having occult atherosclerotic heart disease who are given propranolol for other indications. Hypersensitivity and Skin Reactions Hypersensitivity reactions, including anaphylactic/anaphylactoid reactions, have been associated with the administration of propranolol (see ADVERSE REACTIONS). Cutaneous reactions, including Stevens-Johnson syndrome, toxic epidermal necrolysis, exfoliative dermatitis, erythema multiforme, and urticaria, have been reported with use of propranolol (see ADVERSE REACTIONS ).
Cardiac Failure Sympathetic stimulation may be a vital component supporting circulatory function in patients with congestive heart failure, and its inhibition by beta blockade may precipitate more severe failure. Although beta blockers should be avoided in overt congestive heart failure, some have been shown to be highly beneficial when used with close follow-up in patients with a history of failure who are well compensated and are receiving additional therapies, including diuretics as needed. Beta-adrenergic blocking agents do not abolish the inotropic action of digitalis on heart muscle.
In Patients without a History of Heart Failure Continued use of beta blockers can, in some cases, lead to cardiac failure. Nonallergic Bronchospasm (e.g., Chronic Bronchitis, Emphysema) In general, patients with bronchospastic lung disease should not receive beta blockers. Propranolol should be administered with caution in this setting since it may provoke a bronchial asthmatic attack by blocking bronchodilation produced by endogenous and exogenous catecholamine stimulation of beta-receptors.
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 Beta-adrenergic blockade may prevent the appearance of certain premonitory signs and symptoms (pulse rate and pressure changes) of acute hypoglycemia, especially in labile insulin-dependent diabetics. In these patients, it may be more difficult to adjust the dosage of insulin.
Propranolol therapy, particularly when given to infants and children, diabetic or not, has been associated with hypoglycemia, especially during fasting as in preparation for surgery. Hypoglycemia has been reported in patients taking propranolol after prolonged physical exertion and in patients with renal insufficiency. Thyrotoxicosis Beta-adrenergic blockade may mask certain clinical signs of hyperthyroidism.
Therefore, abrupt withdrawal of propranolol may be followed by an exacerbation of symptoms of hyperthyroidism, including thyroid storm. Propranolol may change thyroid function tests, increasing T4 and reverse T3 and decreasing T3. Wolff-Parkinson-White Syndrome Beta-adrenergic blockade in patients with Wolf-Parkinson-White Syndrome and tachycardia has been associated with severe bradycardia requiring treatment with a pacemaker.
In one case, this result was reported after an initial dose of 5 mg propranolol. Pheochromocytoma Blocking only the peripheral dilator (beta) action of epinephrine with propranolol leaves its constrictor (alpha) action unopposed. In th…
🤒 Adverse Reactions ▾
ADVERSE REACTIONS The following adverse events were observed and have been reported in patients using propranolol. Cardiovascular Bradycardia; congestive heart failure; intensification of AV block; hypotension; paresthesia of hands; thrombocytopenic purpura; arterial insufficiency, usually of the Raynaud type. Central Nervous System Light-headedness, mental depression manifested by insomnia, lassitude, weakness, fatigue; catatonia; visual disturbances; hallucinations; vivid dreams; an acute reversible syndrome characterized by disorientation for time and place, short-term memory loss, emotional lability, slightly clouded sensorium, and decreased performance on neuropsychometrics.
For immediate- release formulations, fatigue, lethargy, and vivid dreams appear dose-related. Gastrointestinal Nausea, vomiting, epigastric distress, abdominal cramping, diarrhea, constipation, mesenteric arterial thrombosis, ischemic colitis. Allergic Hypersensitivity reactions, including anaphylactic/anaphylactoid reactions, pharyngitis and agranulocytosis; erythematous rash, fever combined with aching and sore throat; laryngospasm, and respiratory distress.
Respiratory Bronchospasm Hematologic Agranulocytosis, nonthrombocytopenic purpura, thrombocytopenic purpura. Autoimmune Systemic lupus erythematosus (SLE). Skin and mucous membranes Stevens-Johnson syndrome, toxic epidermal necrolysis, dry eyes, exfoliative dermatitis, erythema multiforme, urticaria, alopecia, SLE-like reactions, and psoriasiform rashes.
Oculomucocutaneous syndrome involving the skin, serous membranes and conjunctivae reported for a beta blocker (practolol) have not been associated with propranolol. Genitourinary Male impotence; Peyronie’s disease. To report SUSPECTED ADVERSE REACTIONS, contact Innogenix, LLC. at 1-844-466-6469 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
🤰 Pregnancy ▾
Pregnancy Teratogenic Effects Pregnancy Category C In a series of reproductive and developmental toxicology studies, propranolol hydrochloride was given to rats by gavage or in the diet throughout pregnancy and lactation. At doses of 150 mg/kg/day, but not at doses of 80 mg/kg/day (equivalent to the MRHD on a body surface area basis), treatment was associated with embryotoxicity (reduced litter size and increased resorption rates) as well as neonatal toxicity (deaths). Propranolol hydrochloride also was administered (in the feed) to rabbits (throughout pregnancy and lactation) at doses as high as 150 mg/kg/day (about 5 times the maximum recommended human oral daily dose).
No evidence of embryo or neonatal toxicity was noted. There are no adequate and well controlled studies in pregnant women. Intrauterine growth retardation, small placentas, and congenital abnormalities have been reported in neonates whose mothers received propranolol during pregnancy.
Neonates whose mothers received propranolol at parturition have exhibited bradycardia, hypoglycemia, and/or respiratory depression. Adequate facilities for monitoring such infants at birth should be available. Propranolol hydrochloride tablets should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
🧒 Pediatric Use ▾
Pediatric Use Safety and effectiveness of propranolol in pediatric patients have not been established. Bronchospasm and congestive heart failure have been reported coincident with the administration of propranolol therapy in pediatric patients.
🧓 Geriatric Use ▾
Geriatric Use Clinical studies of propranolol hydrochloride 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.
🆘 Overdosage ▾
OVERDOSAGE Propranolol is not significantly dialyzable. In the event of overdosage or exaggerated response, the following measures should be employed: General: If ingestion is or may have been recent, evacuate gastric contents, taking care to prevent pulmonary aspiration. Supportive Therapy: Hypotension and bradycardia have been reported following propranolol overdose and should be treated appropriately.
Glucagon can exert potent inotropic and chronotropic effects and may be particularly useful for the treatment of hypotension or depressed myocardial function after a propranolol overdose. Glucagon should be administered as 50 to 150 mcg/kg intravenously followed by continuous drip of 1 to 5 mg/hour for positive chronotropic effect. Isoproterenol, dopamine or phosphodiesterase inhibitors may also be useful.
Epinephrine, however, may provoke uncontrolled hypertension. Bradycardia can be treated with atropine or isoproterenol. Serious bradycardia may require temporary cardiac pacing.
The electrocardiogram, pulse, blood pressure, neurobehavioral status and intake and output balance must be monitored. Isoproterenol and aminophylline may be used for bronchospasm.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY General Propranolol is a nonselective beta-adrenergic receptor blocking agent possessing no other autonomic nervous system activity. It specifically competes with beta-adrenergic receptor agonist agents for available receptor sites. When access to beta-receptor sites is blocked by propranolol, the chronotropic, inotropic, and vasodilator responses to beta-adrenergic stimulation are decreased proportionately.
At dosages greater than required for beta-blockade, propranolol also exerts a quinidine-like or anesthetic-like membrane action, which affects the cardiac action potential. The significance of the membrane action in the treatment of arrhythmias is uncertain. Mechanism of Action The mechanism of the antihypertensive effect of propranolol has not been established.
Factors that may contribute to the antihypertensive action include: (1) decreased cardiac output, (2) inhibition of renin release by the kidneys, and (3) diminution of tonic sympathetic nerve outflow from vasomotor centers in the brain. Although total peripheral resistance may increase initially, it readjusts to or below the pretreatment level with chronic use of propranolol. Effects of propranolol on plasma volume appear to be minor and somewhat variable.
In angina pectoris, propranolol generally reduces the oxygen requirement of the heart at any given level of effort by blocking the catecholamine-induced increases in the heart rate, systolic blood pressure, and the velocity and extent of myocardial contraction. Propranolol may increase oxygen requirements by increasing left ventricular fiber length, end diastolic pressure, and systolic ejection period. The net physiologic effect of beta-adrenergic blockade is usually advantageous and is manifested during exercise by delayed onset of pain and increased work capacity.
Propranolol exerts its antiarrhythmic effects in concentrations associated with beta-adrenergic blockade, and this appears to be its principal antiarrhythmic mechanism of action. In dosages greater than required for beta-blockade, propranolol also exerts a quinidine-like or anesthetic-like membrane action, which affects the cardiac action potential. The significance of the membrane action in the treatment of arrhythmias is uncertain.
The mechanism of the antimigraine effect of propranolol has not been established. Beta-adrenergic receptors have been demonstrated in the pial vessels of the brain. The specific mechanism of propranolol’s antitremor effects has not been established, but beta-2 (noncardiac) receptors may be involved.
A central effect is also possible. Clinical studies have demonstrated that propranolol hydrochloride is of benefit in exaggerated physiological and essential (familial) tremor.
🧬 Mechanism of Action ▾
Mechanism of Action The mechanism of the antihypertensive effect of propranolol has not been established. Factors that may contribute to the antihypertensive action include: (1) decreased cardiac output, (2) inhibition of renin release by the kidneys, and (3) diminution of tonic sympathetic nerve outflow from vasomotor centers in the brain. Although total peripheral resistance may increase initially, it readjusts to or below the pretreatment level with chronic use of propranolol.
Effects of propranolol on plasma volume appear to be minor and somewhat variable. In angina pectoris, propranolol generally reduces the oxygen requirement of the heart at any given level of effort by blocking the catecholamine-induced increases in the heart rate, systolic blood pressure, and the velocity and extent of myocardial contraction. Propranolol may increase oxygen requirements by increasing left ventricular fiber length, end diastolic pressure, and systolic ejection period.
The net physiologic effect of beta-adrenergic blockade is usually advantageous and is manifested during exercise by delayed onset of pain and increased work capacity. Propranolol exerts its antiarrhythmic effects in concentrations associated with beta-adrenergic blockade, and this appears to be its principal antiarrhythmic mechanism of action. In dosages greater than required for beta-blockade, propranolol also exerts a quinidine-like or anesthetic-like membrane action, which affects the cardiac action potential.
The significance of the membrane action in the treatment of arrhythmias is uncertain. The mechanism of the antimigraine effect of propranolol has not been established. Beta-adrenergic receptors have been demonstrated in the pial vessels of the brain.
The specific mechanism of propranolol’s antitremor effects has not been established, but beta-2 (noncardiac) receptors may be involved. A central effect is also possible. Clinical studies have demonstrated that propranolol hydrochloride is of benefit in exaggerated physiological and essential (familial) tremor.
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED Propranolol Hydrochloride Tablets, USP 10 mg – Orange, round biconvex scored tablets with “I” “156” on one side and other side plain. They are available as follows: Bottles of 30 Tablets NDC 80425-0464-01 Bottles of 60 Tablets NDC 80425-0464-02 Bottles of 90 Tablets NDC 80425-0464-03
📦 Storage and Handling ▾
Dispense in a tight, light-resistant container as defined in the USP, with a child-resistant closure (as required). PROTECT FROM LIGHT. Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.
📋 Description ▾
DESCRIPTION Propranolol hydrochloride, USP is a synthetic beta-adrenergic receptor blocking agent chemically described as 2-Propanol, 1-[(1-methylethyl)amino]-3-(1-naphthalenyloxy)-, hydrochloride,(±)-. Its structural formula is: C 16 H 21 NO 2 HCl M.W. 295.80 Propranolol hydrochloride, USP is a stable, white, crystalline solid which is readily soluble in water and in ethanol.
Propranolol hydrochloride tablets, USP are available as tablets for oral administration containing either 10 mg, 20 mg, 40 mg, 60 mg, or 80 mg of propranolol hydrochloride, USP. Propranolol hydrochloride tablets, USP also contain colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose. Color additives include FD&C Yellow no.
6 aluminum lake (10 mg and 80 mg), D&C Yellow no. 10 aluminum lake (40 mg and 80 mg), FD&C Blue no. 1 aluminum lake (20 mg and 40 mg) and FD&C Red no.
40 aluminum lake (60 mg). chemical-structure