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Pindolol is a brand name for Pindolol. The medicine, its uses, side effects and dosage are the same regardless of brand.
Used for: INDICATIONS AND USAGE Pindolol tablets are indicated in the management of hypertension. It may be used alone or concomitantly with other antihypertensive agents, particularly with a thiazide-type diuretic.
Verbatim from this product's FDA label. Tap a section to expand.
DOSAGE AND ADMINISTRATION
The dosage of pindolol tablets should be individualized. d. alone or in combination with other antihypertensive agents. An antihypertensive response usually occurs within the first week of treatment. Maximal response, however, may take as long as or occasionally longer than 2 weeks.
If a satisfactory reduction in blood pressure does not occur within 3 to 4 weeks, the dose may be adjusted in increments of 10 mg/day at these intervals up to a maximum of 60 mg/day.
ADVERSE REACTIONS
Most adverse reactions have been mild. The incidences listed in the following table are derived from 12-week comparative double-blind, parallel design trials in hypertensive patients given pindolol as monotherapy, given various active control drugs as monotherapy, or given placebo.
Data for pindolol and the positive controls were pooled from several trials because no striking differences were seen in the individual studies, with one exception. When considering all adverse reactions reported, the frequency of edema was noticeably higher in positive control trials (16% pindolol vs.
9% positive control) than in placebo controlled trials (6% pindolol vs. 3% placebo). The table includes adverse reactions either volunteered or elicited, and at least possibly drug-related, which were reported in greater than 2% of pindolol patients and other selected important reactions.
ADVERSE REACTIONS WHICH WERE VOLUNTEERED OR ELICITED (and at least possibly drug-related) Body System/ Adverse Reactions Pindolol (N = 322) % Central Nervous System Bizarre or Many Dreams 5 Dizziness 9 Fatigue 8 Hallucinations < 1 Insomnia 10 Nervousness 7 Weakness 4 Autonomic Nervous System Paresthesia 3 Cardiovascular Dyspnea 5 Edema 6 Heart Failure < 1 Palpitations < 1 Musculoskeletal Chest Pain 3 Joint Pain 7 Muscle Cramps 3 Muscle Pain 10 Gastrointestinal Abdominal Discomfort 4 Nausea 5 Skin Pruritus 1 Rash < 1 Body System/ Adverse Reactions Active Controls Active Controls: Patients received either propranolol, α-methyldopa or a diuretic (hydrochlorothiazide or chlorthalidone).
(N = 188) % Central Nervous System Bizarre or Many Dreams 0 Dizziness 11 Fatigue 4 Hallucinations 0 Insomnia 3 Nervousness 3 Weakness 2 Autonomic Nervous System Paresthesia 1 Cardiovascular Dyspnea 4 Edema 3 Heart Failure < 1 Palpitations 1 Musculoskeletal Chest Pain 1 Joint Pain 4 Muscle Cramps 1 Muscle Pain 9 Gastrointestinal Abdominal Discomfort 4 Nausea 2 Skin Pruritus < 1 Rash < 1 Body System/ Adverse Reactions Placebo (N = 78) % Central Nervous System Bizarre or Many Dreams 6 Dizziness 1 Fatigue 4 Hallucinations 0 Insomnia 10 Nervousness 5 Weakness 1 Autonomic Nervous System Paresthesia 6 Cardiovascular Dyspnea 6 Edema 1 Heart Failure 0 Palpitations 0 Musculoskeletal Chest Pain 3 Joint Pain 4 Muscle Cramps 0 Muscle Pain 8 Gastrointestinal Abdominal Discomfort 5 Nausea 1 Skin Pruritus 0 Rash 1 The following selected (potentially important) adverse reactions were seen in 2% or fewer patients and their relationship to pindolol is uncertain.
WARNINGS
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, if necessary, pindolol can be used with caution in patients with a history of failure who are well-compensated, usually with digitalis and diuretics.
Both digitalis glycosides and beta-blockers slow atrioventricular conduction and decrease heart rate. Concomitant use can increase risk of bradycardia. Beta-adrenergic blocking agents do not abolish the inotropic action of digitalis on heart muscle.
In Patients Without A History of Cardiac Failure In patients with latent cardiac insufficiency, continued depression of the myocardium with beta-blocking agents over a period of time can in some cases lead to cardiac failure. At the first sign or symptom of impending cardiac failure, patients should be fully digitalized and/or be given a diuretic, and the response observed closely.
If cardiac failure continues, despite adequate digitalization and diuretic, pindolol therapy should be withdrawn (gradually, if possible). Exacerbation of Ischemic Heart Disease Following Abrupt Withdrawal Hypersensitivity to catecholamines has been observed in patients withdrawn from beta-blocker therapy; exacerbation of angina and, in some cases, myocardial infarction have occurred after abrupt discontinuation of such therapy.
When discontinuing chronically administered pindolol, particularly in patients with ischemic heart disease, the dosage should be gradually reduced over a period of 1 to 2 weeks and the patient should be carefully monitored. If angina markedly worsens or acute coronary insufficiency develops, pindolol administration should be reinstituted promptly, at least temporarily, and other measures appropriate for the management of unstable angina should be taken.
CONTRAINDICATIONS
Pindolol tablets are contraindicated in: 1) bronchial asthma; 2) overt cardiac failure; 3) cardiogenic shock; 4) second and third degree heart block; 5) severe bradycardia. (See WARNINGS. )
Not medical advice. Always read the patient information leaflet and follow your prescriber or pharmacist.
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CENTRAL NERVOUS SYSTEM: anxiety, lethargy; AUTONOMIC NERVOUS SYSTEM: visual disturbances, hyperhidrosis; CARDIOVASCULAR: bradycardia, claudication, cold extremities, heart block, hypotension, syncope, tachycardia, weight gain; GASTROINTESTINAL: diarrhea, vomiting; RESPIRATORY: wheezing; UROGENITAL: impotence, pollakiuria; MISCELLANEOUS: eye discomfort or burning eyes.
POTENTIAL ADVERSE EFFECTS In addition, other adverse effects not aforementioned have been reported with other beta-adrenergic blocking agents and should be considered potential adverse effects of pindolol.
Central Nervous System:
Reversible mental depression progressing to catatonia; 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.
Cardiovascular:
Intensification of AV block. (See CONTRAINDICATIONS. ) Allergic: Erythematous rash; fever combined with aching and sore throat; laryngospasm; respiratory distress.
Hematologic:
Agranulocytosis; thrombocytopenic and nonthrombocytopenic purpura.
Gastrointestinal:
Mesenteric arterial thrombosis; ischemic colitis.
Miscellaneous:
Reversible alopecia; Peyronie's disease. The oculomucocutaneous syndrome associated with the beta-blocker practolol has not been reported with pindolol during investigational use and extensive foreign experience amounting to over 4 million patient-years.
Patients should be warned against interruption or discontinuation of therapy without the physician's advice. Because coronary artery disease is common and may be unrecognized, it may be prudent not to discontinue pindolol therapy abruptly even in patients treated only for hypertension.
, chronic bronchitis, emphysema) - Patients with Bronchospastic Diseases Should in General Not Receive Beta-Blockers Pindolol should be administered with caution since it may block bronchodilation produced by endogenous or exogenous catecholamine stimulation of beta 2 receptors.
Major Surgery Because beta-blockade impairs the ability of the heart to respond to reflex stimuli and may increase the risks of general anesthesia and surgical procedures, resulting in protracted hypotension or low cardiac output, it has generally been suggested that such therapy should be gradually withdrawn several days prior to surgery.
Recognition of the increased sensitivity to catecholamines of patients recently withdrawn from beta-blocker therapy, however, has made this recommendation controversial. If possible, beta-blockers should be withdrawn well before surgery takes place.
In the event of emergency surgery, the anesthesiologist should be informed that the patient is on beta-blocker therapy. The effects of pindolol can be reversed by administration of beta-receptor agonists such as isoproterenol, dopamine, dobutamine, or norepinephrine.
Difficulty in restarting and maintaining the heart beat has also been reported with beta-adrenergic receptor blocking agents. , tachycardia and blood pressure changes) of acute hypoglycemia. This is especially important with labile diabetics.
Beta-blockade also reduces the release of insulin in response to hyperglycemia; therefore, it may be necessary to adjust the dose of antidiabetic drugs. , tachycardia) of hyperthyroidism. Patients suspected of developing thyrotoxicosis should be managed carefully to avoid abrupt withdrawal of beta-blockade which might precipitate a thyroid crisis.