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Propranolol Hydrochloride: Brands, Price & Uses in Bangladesh
Propranolol Hydrochloride is a non-selective beta-adrenergic blocking agent used for a range of cardiovascular and other conditions.
About Propranolol Hydrochloride
Indications of Propranolol Hydrochloride
Propranolol Hydrochloride is a non-selective beta-adrenergic blocking agent used for a range of cardiovascular and other conditions. Its evidence-based uses include:
Established / FDA-approved uses
- Hypertension (alone or with other antihypertensive agents)
- Angina pectoris due to coronary atherosclerosis
- Cardiac arrhythmias, including certain supraventricular tachyarrhythmias and adjunctive rate control in atrial fibrillation
- Reducing cardiovascular mortality after myocardial infarction
- Migraine prophylaxis (prevention, not treatment of an acute attack)
- Hypertrophic subaortic stenosis, to reduce outflow obstruction symptoms
- Pheochromocytoma, as an adjunct to alpha-adrenergic blockade (never used alone)
Guideline-supported / commonly used off-label
- Essential tremor, to reduce tremor amplitude
- Situational (performance) anxiety, to reduce physical symptoms such as tremor and palpitations
The specific indication and dose must be individualized by a physician; Propranolol Hydrochloride is not indicated for hypertensive emergencies.
Dosage & Administration of Propranolol Hydrochloride
Dosage of Propranolol Hydrochloride must be individualized by indication and titrated based on response and tolerability.
| Indication | Typical Adult Dosage |
|---|---|
| Hypertension | Initial 40 mg twice daily, increased gradually; usual maintenance 120-240 mg/day; maximum 640 mg/day |
| Angina pectoris | 80-320 mg/day in 2-4 divided doses |
| Arrhythmias/Atrial fibrillation (rate control adjunct) | 10-30 mg 3-4 times daily before meals and at bedtime |
| Post-myocardial infarction | Initial 40 mg 3 times daily, titrated to 60-80 mg 3 times daily as tolerated |
| Migraine prophylaxis | Initial 80 mg/day in divided doses; effective range 160-240 mg/day |
| Essential tremor | Initial 40 mg twice daily; usual effective dose around 120 mg/day |
Extended-release capsules are usually taken once daily. Propranolol Hydrochloride should not be stopped abruptly; discontinuation must be tapered gradually over 1-2 weeks under medical supervision to avoid rebound angina, arrhythmia, or hypertension.
Side Effects of Propranolol Hydrochloride
Common and important adverse effects of Propranolol Hydrochloride include:
- Fatigue, lethargy, dizziness
- Bradycardia and hypotension
- Cold extremities, Raynaud's-type peripheral vasoconstriction
- Bronchospasm, particularly in patients with reactive airway disease (see Contraindications)
- Vivid dreams, sleep disturbances, and rarely depression
- Gastrointestinal upset: nausea, vomiting, diarrhea, constipation
- Masking of hypoglycemia symptoms in diabetic patients
- Rare: bronchospasm-related emergencies, heart failure exacerbation, and (very rarely) severe skin reactions
Contraindications of Propranolol Hydrochloride
Propranolol Hydrochloride is contraindicated in:
- Known hypersensitivity to propranolol or any component of the formulation
- Bronchial asthma or severe bronchospastic disease
- Sinus bradycardia and greater than first-degree heart block
- Cardiogenic shock
- Uncompensated (overt) cardiac failure
Frequently Asked Questions about Propranolol Hydrochloride
What is Propranolol Hydrochloride used for?
Propranolol Hydrochloride is used to treat high blood pressure, angina (chest pain), certain irregular heart rhythms, to prevent migraine headaches, to reduce essential tremor, and in some cases to manage physical symptoms of situational anxiety, among other uses directed by a physician.
Can I stop taking Propranolol Hydrochloride suddenly if I feel better?
No. Stopping Propranolol Hydrochloride abruptly can cause rebound chest pain, dangerously high blood pressure, or heart rhythm problems. Always taper the dose gradually under a physician's guidance.
Is Propranolol Hydrochloride safe during pregnancy?
Propranolol Hydrochloride should be used in pregnancy only if clearly needed and if the benefit outweighs potential risk to the baby, since use near delivery has been linked to low blood sugar and slow heart rate in newborns. Always consult your physician before use in pregnancy.
Can people with asthma take Propranolol Hydrochloride?
No. Propranolol Hydrochloride is contraindicated in people with bronchial asthma or severe bronchospastic disease because it can trigger dangerous bronchospasm.
Does Propranolol Hydrochloride affect diabetes management?
Yes. Propranolol Hydrochloride can mask warning signs of low blood sugar, such as a fast heartbeat and tremor, so people with diabetes should monitor blood sugar closely and discuss use with their physician.
What should I do if I miss a dose or take too much Propranolol Hydrochloride?
If you miss a dose, take it as soon as you remember unless it is close to the next dose. If you suspect an overdose of Propranolol Hydrochloride, seek emergency medical attention or contact a poison control center immediately, as overdose can be life-threatening.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.