Hypertension (alternative agent): Oral: Initial: 5 mg twice daily; titrate by 10 mg daily every 3 to 4 weeks as needed based on patient response up to 30 mg twice daily; maximum: 60 mg/day (ACC/AHA [Whelton 2017]).
Atrial fibrillation (rate control) (off-label use): Initial: 5 mg twice daily; may increase at weekly intervals to 15 mg twice daily. May use in combination with digoxin (James 1989).
Dosage adjustment for concomitant therapy: Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.
There are no dosage adjustments provided in the manufacturer’s labeling; however, others have recommended that no dosage adjustment is required in renal impairment including those patients with GFR <10 mL/minute (Aronoff 2007); use with caution in uremic patients as renal clearance is reduced.
There are no specific dosage adjustments provided in the manufacturer’s labeling; however, a dose reduction may be necessary in cirrhotic patients due to significantly prolonged elimination half-life (may be 10 times as long compared to subjects with normal hepatic function).
Refer to adult dosing. Use with caution.
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Tablet, Oral:
Generic: 5 mg, 10 mg
Yes
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Tablet, Oral:
Visken: 5 mg, 10 mg
Generic: 5 mg, 10 mg, 15 mg
Oral: May be administered without regard to meals.
Hypertension: Management of hypertension. Note: Beta-blockers are not recommended as first-line therapy (ACC/AHA [Whelton 2017]).
Atrial fibrillation (rate-control)
Pindolol may be confused with Parlodel, Plendil
Visken may be confused with Visine, Viskazide
The following adverse drug reactions and incidences are derived from product labeling unless otherwise specified.
>10%: Cardiovascular: Edema (6% to 16%)
1% to 10%:
Cardiovascular: Bradycardia (≤2%), claudication (≤2%), cold extremities (≤2%), heart block (≤2%), hypotension (≤2%), syncope (≤2%), tachycardia (≤2%), palpitations (≤1%)
Central nervous system: Insomnia (10%), dizziness (9%), fatigue (8%), nervousness (7%), abnormal dreams (5%), anxiety (≤2%), lethargy (≤2%)
Dermatologic: Hyperhidrosis (≤2%), pruritus (1%)
Endocrine & metabolic: Weight gain (≤2%)
Gastrointestinal: Nausea (5%), diarrhea (≤2%), vomiting (≤2%)
Genitourinary: Impotence (≤2%), pollakiuria (≤2%)
Hepatic: Increased serum ALT (7%), increased serum AST (7%)
Neuromuscular & skeletal: Myalgia (10%), arthralgia (7%), weakness (4%), muscle cramps (3%)
Ophthalmic: Burning sensation of eyes (≤2%), eye discomfort (≤2%), visual disturbance (≤2%)
Renal: Polyuria (≤2%)
Respiratory: Dyspnea (5%), wheezing (≤2%)
<1%, postmarketing, and/or case reports: Cardiac failure, hallucination, hyperuricemia, increased lactic acid dehydrogenase, increased serum alkaline phosphatase, psoriasis (Song 2021)
Bronchial asthma; cardiogenic shock; heart block (second- or third-degree) except in patients with a functioning artificial ventricular pacemaker; overt cardiac failure; severe bradycardia
Documentation of allergenic cross-reactivity for beta-blockers is limited. However, because of similarities in chemical structure and/or pharmacologic actions, the possibility of cross-sensitivity cannot be ruled out with certainty.
Canadian labeling: Additional contraindications (not in US labeling): Hypersensitivity to pindolol, other beta-blockers or any component of the formulation; severe chronic obstructive pulmonary disease; right ventricular failure secondary to pulmonary hypertension; anesthesia with agents which produce myocardial depression; Prinzmetal angina (variant angina); sick sinus syndrome; severe peripheral arterial circulatory disorders; pheochromocytoma (untreated)
Concerns related to adverse events:
• Anaphylactic reactions: Use caution with history of severe anaphylaxis to allergens; patients taking beta-blockers may become more sensitive to repeated challenges. Treatment of anaphylaxis (eg, epinephrine) in patients taking beta-blockers may be ineffective or promote undesirable effects.
Disease-related concerns:
• Bronchospastic disease: In general, patients with bronchospastic disease should not receive beta-blockers; if used at all, should be used cautiously with close monitoring.
• Conduction abnormality: Consider preexisting conditions such as sick sinus syndrome before initiating.
• Diabetes: Use with caution in patients with diabetes mellitus; may potentiate hypoglycemia and/or mask signs and symptoms.
• Heart failure (HF): Use with caution in patients with compensated HF and monitor for a worsening of the condition. If condition worsens, consider temporary discontinuation or dosage reduction of pindolol. Patients should be stabilized on heart failure regimen prior to initiation of beta-blocker. Beta-blocker therapy should be initiated at very low doses with gradual and very careful titration. Adjustment of other medications (ACE inhibitors and/or diuretics) may be required. Beta-blockers with intrinsic sympathomimetic activity (eg, pindolol) have not been demonstrated to be of value in HF.
• Hepatic impairment: Use with caution in patients with hepatic impairment; pindolol levels may increase significantly with hepatic impairment.
• Myasthenia gravis: Use with caution in patients with myasthenia gravis.
• Peripheral vascular disease (PVD) and Raynaud disease: Can precipitate or aggravate symptoms of arterial insufficiency in patients with PVD and Raynaud disease. Use with caution and monitor for progression of arterial obstruction.
• Pheochromocytoma (untreated): Adequate alpha-blockade is required prior to use of any beta-blocker.
• Prinzmetal variant angina: Beta-blockers without alpha1-adrenergic receptor blocking activity should be avoided in patients with Prinzmetal variant angina since unopposed alpha1-adrenergic receptors mediate coronary vasoconstriction and can worsen anginal symptoms (Mayer 1998).
• Psoriasis: Beta-blocker use has been associated with induction or exacerbation of psoriasis, but cause and effect have not been firmly established.
• Renal impairment: Use with caution in patients with renal impairment.
• Thyroid disease: May mask signs of hyperthyroidism (eg, tachycardia). If thyrotoxicosis is suspected, carefully manage and monitor; abrupt withdrawal may exacerbate symptoms of hyperthyroidism or precipitate thyroid storm.
Special populations:
• Older adult: Bradycardia may be observed more frequently in older adult patients (>65 years of age); dosage reductions may be necessary.
Other warnings/precautions:
• Abrupt withdrawal: Beta-blocker therapy should not be withdrawn abruptly (particularly in patients with CAD), but gradually tapered over 1 to 2 weeks to avoid acute tachycardia, hypertension, and/or ischemia. Severe exacerbation of angina, ventricular arrhythmias, and myocardial infarction (MI) have been reported following abrupt withdrawal of beta-blocker therapy. Temporary but prompt resumption of beta-blocker therapy may be indicated with worsening of angina or acute coronary insufficiency.
• Major surgery: Chronic beta-blocker therapy should not be routinely withdrawn prior to major surgery (Fleischmann 2009).
Substrate of CYP2D6 (minor), OCT1, OCT2; Note: Assignment of Major/Minor substrate status based on clinically relevant drug interaction potential
Note: Interacting drugs may not be individually listed below if they are part of a group interaction (eg, individual drugs within “CYP3A4 Inducers [Strong]” are NOT listed). For a complete list of drug interactions by individual drug name and detailed management recommendations, use the Lexicomp drug interactions program by clicking on the “Launch drug interactions program” link above.
Acetylcholinesterase Inhibitors: May enhance the bradycardic effect of Beta-Blockers. Risk C: Monitor therapy
Alfuzosin: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Alpha1-Blockers: Beta-Blockers may enhance the orthostatic hypotensive effect of Alpha1-Blockers. The risk associated with ophthalmic products is probably less than systemic products. Risk C: Monitor therapy
Alpha2-Agonists: May enhance the AV-blocking effect of Beta-Blockers. Sinus node dysfunction may also be enhanced. Beta-Blockers may enhance the rebound hypertensive effect of Alpha2-Agonists. This effect can occur when the Alpha2-Agonist is abruptly withdrawn. Management: Closely monitor heart rate during treatment with a beta blocker and clonidine. Withdraw beta blockers several days before clonidine withdrawal when possible, and monitor blood pressure closely. Recommendations for other alpha2-agonists are unavailable. Risk D: Consider therapy modification
Amifostine: Blood Pressure Lowering Agents may enhance the hypotensive effect of Amifostine. Management: When used at chemotherapy doses, hold blood pressure lowering medications for 24 hours before amifostine administration. If blood pressure lowering therapy cannot be held, do not administer amifostine. Use caution with radiotherapy doses of amifostine. Risk D: Consider therapy modification
Amiodarone: May enhance the bradycardic effect of Beta-Blockers. Possibly to the point of cardiac arrest. Amiodarone may increase the serum concentration of Beta-Blockers. Risk C: Monitor therapy
Amphetamines: May diminish the antihypertensive effect of Antihypertensive Agents. Risk C: Monitor therapy
Antidiabetic Agents: Beta-Blockers (Nonselective) may enhance the hypoglycemic effect of Antidiabetic Agents. Beta-Blockers (Nonselective) may diminish the therapeutic effect of Antidiabetic Agents. Risk C: Monitor therapy
Antipsychotic Agents (Phenothiazines): May enhance the hypotensive effect of Beta-Blockers. Beta-Blockers may decrease the metabolism of Antipsychotic Agents (Phenothiazines). Antipsychotic Agents (Phenothiazines) may decrease the metabolism of Beta-Blockers. Risk C: Monitor therapy
Antipsychotic Agents (Second Generation [Atypical]): Blood Pressure Lowering Agents may enhance the hypotensive effect of Antipsychotic Agents (Second Generation [Atypical]). Risk C: Monitor therapy
Barbiturates: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Benperidol: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Beta2-Agonists: Beta-Blockers (Nonselective) may diminish the bronchodilatory effect of Beta2-Agonists. Risk X: Avoid combination
Bradycardia-Causing Agents: May enhance the bradycardic effect of other Bradycardia-Causing Agents. Risk C: Monitor therapy
Brigatinib: May diminish the antihypertensive effect of Antihypertensive Agents. Brigatinib may enhance the bradycardic effect of Antihypertensive Agents. Risk C: Monitor therapy
Brimonidine (Topical): May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Bromperidol: May diminish the hypotensive effect of Blood Pressure Lowering Agents. Blood Pressure Lowering Agents may enhance the hypotensive effect of Bromperidol. Risk X: Avoid combination
Bupivacaine: Beta-Blockers may increase the serum concentration of Bupivacaine. Risk C: Monitor therapy
Cannabis: Beta-Blockers may enhance the adverse/toxic effect of Cannabis. Specifically, the risk of hypoglycemia may be increased. Risk C: Monitor therapy
Ceritinib: Bradycardia-Causing Agents may enhance the bradycardic effect of Ceritinib. Management: If this combination cannot be avoided, monitor patients for evidence of symptomatic bradycardia, and closely monitor blood pressure and heart rate during therapy. Risk D: Consider therapy modification
Cholinergic Agonists: Beta-Blockers may enhance the adverse/toxic effect of Cholinergic Agonists. Of particular concern are the potential for cardiac conduction abnormalities and bronchoconstriction. Risk C: Monitor therapy
Dexmethylphenidate: May diminish the therapeutic effect of Antihypertensive Agents. Risk C: Monitor therapy
Diazoxide: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Dipyridamole: May enhance the bradycardic effect of Beta-Blockers. Risk C: Monitor therapy
Disopyramide: May enhance the bradycardic effect of Beta-Blockers. Beta-Blockers may enhance the negative inotropic effect of Disopyramide. Risk C: Monitor therapy
DOBUTamine: Beta-Blockers may diminish the therapeutic effect of DOBUTamine. Risk C: Monitor therapy
Dronedarone: May enhance the bradycardic effect of Beta-Blockers. Dronedarone may increase the serum concentration of Beta-Blockers. This likely applies only to those agents that are metabolized by CYP2D6. Management: Use lower initial beta-blocker doses; adequate tolerance of the combination, based on ECG findings, should be confirmed prior to any increase in beta-blocker dose. Increase monitoring for clinical response and adverse effects. Risk D: Consider therapy modification
DULoxetine: Blood Pressure Lowering Agents may enhance the hypotensive effect of DULoxetine. Risk C: Monitor therapy
EPHEDrine (Systemic): Beta-Blockers may diminish the therapeutic effect of EPHEDrine (Systemic). Risk C: Monitor therapy
EPINEPHrine (Nasal): Beta-Blockers (Nonselective) may enhance the hypertensive effect of EPINEPHrine (Nasal). Risk C: Monitor therapy
EPINEPHrine (Oral Inhalation): Beta-Blockers (Nonselective) may enhance the hypertensive effect of EPINEPHrine (Oral Inhalation). Risk C: Monitor therapy
Epinephrine (Racemic): Beta-Blockers (Nonselective) may enhance the hypertensive effect of Epinephrine (Racemic). Risk C: Monitor therapy
EPINEPHrine (Systemic): Beta-Blockers (Nonselective) may enhance the hypertensive effect of EPINEPHrine (Systemic). Risk C: Monitor therapy
Erdafitinib: May increase the serum concentration of OCT2 Substrates (Clinically Relevant with Inhibitors). Management: Consider alternatives to this combination when possible. If combined, monitor for increased effects/toxicities of OCT2 substrates and consider OCT2 substrate dose reductions when appropriate. Risk D: Consider therapy modification
Ergot Derivatives (Vasoconstrictive CYP3A4 Substrates): Beta-Blockers may enhance the vasoconstricting effect of Ergot Derivatives (Vasoconstrictive CYP3A4 Substrates). Risk C: Monitor therapy
Etilefrine: May enhance the bradycardic effect of Beta-Blockers. Beta-Blockers may diminish the therapeutic effect of Etilefrine. Risk C: Monitor therapy
Etofylline: Beta-Blockers may diminish the therapeutic effect of Etofylline. Risk X: Avoid combination
Fexinidazole: Bradycardia-Causing Agents may enhance the arrhythmogenic effect of Fexinidazole. Risk X: Avoid combination
Fingolimod: Bradycardia-Causing Agents may enhance the bradycardic effect of Fingolimod. Management: Consult with the prescriber of any bradycardia-causing agent to see if the agent could be switched to an agent that does not cause bradycardia prior to initiating fingolimod. If combined, perform continuous ECG monitoring after the first fingolimod dose. Risk D: Consider therapy modification
Flecainide: May enhance the bradycardic effect of Pindolol. The negative inotropic effects of Pindolol may also be enhanced. Risk C: Monitor therapy
Flunarizine: May enhance the therapeutic effect of Antihypertensive Agents. Risk C: Monitor therapy
Gilteritinib: May increase the serum concentration of OCT1 Substrates (Clinically Relevant with Inhibitors). Risk C: Monitor therapy
Grass Pollen Allergen Extract (5 Grass Extract): Beta-Blockers may enhance the adverse/toxic effect of Grass Pollen Allergen Extract (5 Grass Extract). More specifically, Beta-Blockers may inhibit the ability to effectively treat severe allergic reactions to Grass Pollen Allergen Extract (5 Grass Extract) with epinephrine. Some other effects of epinephrine may be unaffected or even enhanced (e.g., vasoconstriction) during treatment with Beta-Blockers. Management: Consider alternatives to either grass pollen allergen extract (5 grass extract) or beta-blockers in patients with indications for both agents. Canadian product labeling specifically lists this combination as contraindicated. Risk D: Consider therapy modification
Herbal Products with Blood Pressure Increasing Effects: May diminish the antihypertensive effect of Antihypertensive Agents. Risk C: Monitor therapy
Herbal Products with Blood Pressure Lowering Effects: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Hypotension-Associated Agents: Blood Pressure Lowering Agents may enhance the hypotensive effect of Hypotension-Associated Agents. Risk C: Monitor therapy
Insulins: Beta-Blockers (Nonselective) may enhance the hypoglycemic effect of Insulins. Beta-Blockers (Nonselective) may diminish the therapeutic effect of Insulins. Risk C: Monitor therapy
Isoproterenol: Beta-Blockers may diminish the therapeutic effect of Isoproterenol. Risk C: Monitor therapy
Ivabradine: Bradycardia-Causing Agents may enhance the bradycardic effect of Ivabradine. Risk C: Monitor therapy
Lacosamide: Bradycardia-Causing Agents may enhance the AV-blocking effect of Lacosamide. Risk C: Monitor therapy
Levodopa-Containing Products: Blood Pressure Lowering Agents may enhance the hypotensive effect of Levodopa-Containing Products. Risk C: Monitor therapy
Lidocaine (Systemic): Beta-Blockers may increase the serum concentration of Lidocaine (Systemic). Risk C: Monitor therapy
Loop Diuretics: May enhance the hypotensive effect of Antihypertensive Agents. Risk C: Monitor therapy
Lormetazepam: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Mavacamten: Beta-Blockers may enhance the adverse/toxic effect of Mavacamten. Specifically, negative inotropic effects may be increased. Risk C: Monitor therapy
Mepivacaine: Beta-Blockers may increase the serum concentration of Mepivacaine. Risk C: Monitor therapy
Methacholine: Beta-Blockers may enhance the adverse/toxic effect of Methacholine. Risk C: Monitor therapy
Methoxyflurane: May enhance the hypotensive effect of Beta-Blockers. Risk C: Monitor therapy
Methylphenidate: May diminish the antihypertensive effect of Antihypertensive Agents. Risk C: Monitor therapy
Midodrine: May enhance the bradycardic effect of Bradycardia-Causing Agents. Risk C: Monitor therapy
Mivacurium: Beta-Blockers may enhance the therapeutic effect of Mivacurium. Risk C: Monitor therapy
Molsidomine: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Naftopidil: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Nicergoline: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Nicorandil: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
NIFEdipine: May enhance the hypotensive effect of Beta-Blockers. NIFEdipine may enhance the negative inotropic effect of Beta-Blockers. Risk C: Monitor therapy
Nitroprusside: Blood Pressure Lowering Agents may enhance the hypotensive effect of Nitroprusside. Risk C: Monitor therapy
Nonsteroidal Anti-Inflammatory Agents: May diminish the antihypertensive effect of Beta-Blockers. Risk C: Monitor therapy
Nonsteroidal Anti-Inflammatory Agents (Topical): May diminish the therapeutic effect of Beta-Blockers. Risk C: Monitor therapy
Obinutuzumab: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Management: Consider temporarily withholding blood pressure lowering medications beginning 12 hours prior to obinutuzumab infusion and continuing until 1 hour after the end of the infusion. Risk D: Consider therapy modification
Ozanimod: May enhance the bradycardic effect of Bradycardia-Causing Agents. Risk C: Monitor therapy
Pacritinib: May increase the serum concentration of OCT1 Substrates (Clinically Relevant with Inhibitors). Risk X: Avoid combination
Pentoxifylline: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Pholcodine: Blood Pressure Lowering Agents may enhance the hypotensive effect of Pholcodine. Risk C: Monitor therapy
Phosphodiesterase 5 Inhibitors: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Ponesimod: Bradycardia-Causing Agents may enhance the bradycardic effect of Ponesimod. Management: Avoid coadministration of ponesimod with drugs that may cause bradycardia when possible. If combined, monitor heart rate closely and consider obtaining a cardiology consult. Do not initiate ponesimod in patients on beta-blockers if HR is less than 55 bpm. Risk D: Consider therapy modification
Prostacyclin Analogues: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Quinagolide: May enhance the hypotensive effect of Blood Pressure Lowering Agents. Risk C: Monitor therapy
Reserpine: May enhance the hypotensive effect of Beta-Blockers. Risk C: Monitor therapy
Rivastigmine: May enhance the bradycardic effect of Beta-Blockers. Risk X: Avoid combination
Siponimod: Bradycardia-Causing Agents may enhance the bradycardic effect of Siponimod. Management: Avoid coadministration of siponimod with drugs that may cause bradycardia. If combined, consider obtaining a cardiology consult regarding patient monitoring. Risk D: Consider therapy modification
Succinylcholine: Beta-Blockers may enhance the neuromuscular-blocking effect of Succinylcholine. Risk C: Monitor therapy
Sulfonylureas: Beta-Blockers may enhance the hypoglycemic effect of Sulfonylureas. Cardioselective beta-blockers (eg, acebutolol, atenolol, metoprolol, and penbutolol) may be safer than nonselective beta-blockers. All beta-blockers appear to mask tachycardia as an initial symptom of hypoglycemia. Ophthalmic beta-blockers are probably associated with lower risk than systemic agents. Risk C: Monitor therapy
Sulfonylureas: Beta-Blockers (Nonselective) may enhance the hypoglycemic effect of Sulfonylureas. Beta-Blockers (Nonselective) may diminish the therapeutic effect of Sulfonylureas. Risk C: Monitor therapy
Tafenoquine: May increase the serum concentration of OCT2 Substrates (Clinically Relevant with Inhibitors). Management: Avoid use of OCT2 substrates with tafenoquine, and if the combination cannot be avoided, monitor closely for evidence of toxicity of the OCT2 substrate and consider a reduced dose of the OCT2 substrate according to that substrate's labeling. Risk D: Consider therapy modification
Tasimelteon: Beta-Blockers may diminish the therapeutic effect of Tasimelteon. Management: Consider avoiding nighttime administration of beta-blockers during tasimelteon therapy due to the potential for reduced tasimelteon efficacy. Risk D: Consider therapy modification
Theophylline Derivatives: Beta-Blockers (Nonselective) may diminish the bronchodilatory effect of Theophylline Derivatives. Risk C: Monitor therapy
Thioridazine: May increase the serum concentration of Pindolol. Pindolol may increase the serum concentration of Thioridazine. Risk X: Avoid combination
Tofacitinib: May enhance the bradycardic effect of Bradycardia-Causing Agents. Risk C: Monitor therapy
White Birch Allergen Extract: Beta-Blockers may enhance the adverse/toxic effect of White Birch Allergen Extract. Specifically, beta-blockers may reduce the effectiveness of beta-agonists that may be required to treat systemic reactions to white birch allergen extract. Risk X: Avoid combination
Pindolol crosses the placenta (Gonçalves 2007).
Exposure to beta-blockers during pregnancy may increase the risk for adverse events in the neonate. If maternal use of a beta-blocker is needed, fetal growth should be monitored during pregnancy and the newborn should be monitored for 48 hours after delivery for bradycardia, hypoglycemia, and respiratory depression (ESC [Regitz-Zagrosek 2018]).
Chronic maternal hypertension is also associated with adverse events in the fetus/infant. Chronic maternal hypertension may increase the risk of birth defects, low birth weight, premature delivery, stillbirth, and neonatal death. Actual fetal/neonatal risks may be related to duration and severity of maternal hypertension. Untreated chronic hypertension may also increase the risks of adverse maternal outcomes, including gestational diabetes, preeclampsia, delivery complications, stroke, and myocardial infarction (ACOG 203 2019).
Due to pregnancy-induced physiologic changes, some pharmacokinetic properties of pindolol may be altered (Gonçalves 2002). When treatment of hypertension in pregnancy is indicated, specific recommendations vary by guideline. Although other agents are preferred, use of pindolol may be considered (ACOG 203 2019; ESC [Regitz-Zagrosek 2018]; Magee 2014). Females with preexisting hypertension may continue their medication during pregnancy unless contraindications exist (ESC [Regitz-Zagrosek 2018]).
Pindolol is present in breast milk.
Breastfeeding is not recommended by the manufacturer. Beta-blockers other than pindolol may be preferred in breastfeeding females (Anderson 2017; Ito 2000).
Blood pressure, heart rate, respiratory function
Hypertension: The 2017 Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults (ACC/AHA [Whelton 2017]):
Confirmed hypertension and known CVD or 10-year ASCVD risk ≥10%: Target blood pressure <130/80 mm Hg is recommended.
Confirmed hypertension without markers of increased ASCVD risk: Target blood pressure <130/80 mm Hg may be reasonable.
Blocks both beta1- and beta2-receptors and has mild intrinsic sympathomimetic activity; pindolol has negative inotropic and chronotropic effects and can significantly slow AV nodal conduction.
Absorption: Rapid, >95%
Distribution: Vd: ~2 L/kg
Protein binding: 40%
Metabolism: Hepatic (60% to 65%) to conjugates
Half-life elimination: 3 to 4 hours; prolonged in the elderly (average 7 hours; up to 15 hours reported), and cirrhosis (range: 2.5 to 30 hours)
Time to peak, serum: ~1 hour
Excretion: Urine (35% to 40% as unchanged drug); feces (6% to 9%)
Altered kidney function: 50% decrease in volume of distribution in uremic patients, generally excreted in less than 15% of dose as unchanged in the urine.
Hepatic function impairment: In cirrhosis patients, elimination was more variable in rate and slower, half-life ranged from 2.5 hours to more than 30 hours. Exercise caution; dosage adjustments may be necessary.
Older adult: In elderly hypertensive patients, the half-life is more variable, averaging 7 hours.
Tablets (Pindolol Oral)
5 mg (per each): $1.10 - $2.19
10 mg (per each): $1.50 - $2.73
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