Provanol SR 80 mg (Propranolol Sustained-Release)
Provanol SR 80 mg contains propranolol hydrochloride in a sustained-release (SR) formulation. Propranolol is a non-selective beta-blocker used for hypertension, angina, migraine prevention, arrhythmias, essential tremor and physical symptoms of anxiety.
The SR formulation provides **slow, steady release** of medication over 24 hours, allowing convenient once-daily dosing and smoother symptom control.
Product introduction
Propranolol blocks β1 and β2 adrenergic receptors, reducing the effects of adrenaline on the heart and blood vessels. This slows heart rate, lowers blood pressure and reduces tremors and anxiety-related symptoms. The sustained-release (SR) formulation maintains stable levels throughout the day, improving tolerability and adherence.
Uses of Provanol SR 80 mg
Provanol SR is prescribed for:
- Hypertension (high blood pressure)
- Angina (chest pain)
- Migraine prophylaxis
- Essential tremor
- Atrial fibrillation rate control (specialist-directed)
- Performance anxiety (for long-acting symptom control)
- Thyrotoxicosis symptom relief
Note: Dose is individualised based on condition and response.
Benefits of Provanol SR 80 mg
- Once-daily dosing: improves convenience and adherence.
- Smoother heart-rate control: fewer peaks and troughs compared to immediate-release propranolol.
- Effective anxiety relief: controls tremors, shaking, palpitations.
- Migraine prevention: reduces attack frequency and severity.
- Reduces blood pressure: long-lasting antihypertensive effect.
In Treatment of Worm infections
This appears only for template continuity. Propranolol has NO role in treating worm infections.
Side effects of Provanol SR 80 mg
Common side effects
- Dizziness or lightheadedness
- Slow heartbeat (bradycardia)
- Fatigue or low energy
- Cold hands and feet
- Digestive issues (nausea, diarrhea)
- Sleep disturbances or vivid dreams
Serious side effects: wheezing, severe dizziness, fainting, very slow heartbeat, fluid retention, or allergic reactions — seek urgent care.
How to use Provanol SR 80 mg
- Take once daily, at the same time each morning or evening.
- Swallow whole — do NOT crush or chew SR tablets.
- Take with food to reduce dizziness and stomach upset.
- Do not stop abruptly — taper under medical supervision.
- Monitor heart rate and blood pressure regularly.
How Provanol SR works
The SR formulation releases propranolol slowly over 24 hours, ensuring continuous beta-blockade. This reduces heart rate, controls blood pressure, stabilises tremors and suppresses adrenaline-related symptoms.
Safety advice
| Asthma / COPD | Use with caution — propranolol may worsen breathing problems. |
| Diabetes | May mask hypoglycemia symptoms. Monitor blood sugar carefully. |
| Heart conditions | Use carefully in heart block, bradycardia or uncontrolled heart failure — specialist review needed. |
| Pregnancy | Use only if advised by your doctor. |
| Alcohol | May increase dizziness and BP-lowering effects. |
| Drug interactions | Inform your doctor if taking antidepressants, calcium-channel blockers, antiarrhythmics, thyroid medications or other BP medicines. |
What if you forget a dose?
- Take it as soon as you remember on the same day.
- If it’s close to the next dose, skip the missed one.
- Do NOT double the dose.
All substitutes
- Inderal LA (propranolol SR)
- Ciplar LA
- Immediate-release propranolol (Ciplar / Inderal)
- Metoprolol succinate (alternative beta-blocker)
- Bisoprolol
Quick tips
- Rise slowly from sitting to avoid dizziness.
- Avoid alcohol and excessive caffeine.
- Monitor heart rate — report HR < 50 bpm unless advised.
- Take consistently each day for stable symptom control.
Fact Box
| Generic name | Propranolol Hydrochloride |
| Brand | Provanol SR 80 mg |
| Drug class | Non-selective beta-blocker (Sustained-Release) |
| Form | SR tablet (80 mg) |
| Typical dose | 80 mg once daily (varies by condition) |
| Prescription | Required |
Patient concerns
Will Provanol SR make me sleepy? Some people experience fatigue, especially early in treatment. This usually improves.
Can Provanol SR be used for anxiety? Yes — SR propranolol helps reduce physical anxiety symptoms throughout the day.
User feedback
Patients report smoother heart-rate control and more consistent relief from tremors, migraines and anxiety compared to immediate-release versions. Early dizziness or fatigue often improves with continued use.
Are you currently taking Provanol SR 80 mg? Share your experience by taking this survey.
FAQs
Is Provanol SR 80 mg safe long-term?
Yes, many patients use long-term under medical supervision. Regular monitoring is recommended.
Can I switch from immediate-release propranolol to SR?
Yes, but only under clinician guidance. Dosing is not always milligram-for-milligram equivalent.
How should I store Provanol SR?
Store at room temperature, away from moisture and heat.
Related products
- Provanol 40 mg
- Ciplar LA
- Metoprolol Succinate
- Bisoprolol
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Disclaimer:
This article is for educational purposes only and does not replace medical advice. Provanol SR (Propranolol) must be prescribed and monitored by a qualified clinician.
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Lab tests offered by us
- Blood pressure monitoring
- Heart-rate tracking / ECG
- Thyroid panel (for tremor/thyrotoxicosis cases)
- Liver & kidney function tests
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