Tamsulosin Hydrochloride
Rx
Generic NameTamsulosin Hydrochloride
Therapeutic ClassAlpha-1 adrenergic blocker
Max / 24h0.8 mg orally
Common Dose0.4 mg orally once daily (can increase to 0.8 mg if needed)
PregnancyNot typically used; consult doctor if required
Indications ▼
Symptomatic management of benign prostatic hyperplasia (BPH)
Improvement of urinary flow and reduction of BPH-related symptoms
Mechanism & Pharmacokinetics ▼
Mechanism: Selectively blocks alpha-1 adrenergic receptors in the prostate and bladder neck, relaxing smooth muscle and improving urine flow.
Pharmacokinetics: Well absorbed orally; peak plasma concentration in 4–5 hours; metabolized in the liver via CYP3A4 and CYP2D6; excreted in urine and feces.
Dosage & Administration ▼
| Condition | Recommended Dose | Frequency |
|---|---|---|
| Benign Prostatic Hyperplasia | 0.4 mg | Orally once daily; may increase to 0.8 mg if required |
Note: Take approximately 30 minutes after the same meal each day. Do not crush or chew capsules.
Side Effects ▼
Dizziness or lightheadedness
Headache
Abnormal ejaculation
Fatigue
Rare: Orthostatic hypotension, palpitations
Contraindications ▼
Hypersensitivity to tamsulosin or other alpha-blockers
Severe liver impairment
History of orthostatic hypotension
Drug Interaction ▼
Other antihypertensives: increased risk of hypotension
CYP3A4 inhibitors: may increase plasma levels of tamsulosin
Phosphodiesterase inhibitors: additive blood pressure lowering effect
Pregnancy & Lactation ▼
Not indicated in pregnancy; safety not established
Use caution in breastfeeding; limited data available
Clinical / Research Summary ▼
Therapeutic Role: Improves urinary flow and reduces symptoms of BPH, improving quality of life in men with enlarged prostate.
Clinical Effectiveness: Demonstrated reduction in urinary retention and improvement in peak urine flow rates.
Safety Profile: Well tolerated; monitor for dizziness and orthostatic hypotension, especially in elderly patients.
Current Research: Focus on combination therapy with 5-alpha-reductase inhibitors and long-term cardiovascular safety.
Patient Counseling Points ▼
Take 30 minutes after the same meal each day
Avoid sudden position changes to reduce dizziness
Report fainting, palpitations, or abnormal ejaculation
Inform doctor about all medications, especially antihypertensives
Do not crush or chew capsules
Storage & Handling ▼
Store at 20–25°C, protect from moisture
Keep out of reach of children
Brand Names (Bangladesh & Global) ▼
Tamsol®
Medical Disclaimer: This information is intended for educational purposes only and must not replace professional medical advice.
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