Tadalafil
Brand Name Reference: Cialis®
An evidence-based, long-acting PDE5 inhibitor approved for the treatment of Erectile Dysfunction (ED) and Benign Prostatic Hyperplasia (BPH). Available in daily low-dose and on-demand treatment protocols under specialist supervision.
- Erectile Dysfunction
- BPH Symptoms
- Dual ED & BPH Therapy
Requires physician evaluation. Online purchase is not available.
Table of Contents
Key Medication Facts
Essential clinical information regarding Tadalafil prescribing parameters and storage protocols.
Primary Uses
ED & Benign Prostatic Hyperplasia (BPH)
Approved for treatment of erectile dysfunction, lower urinary tract symptoms secondary to BPH, or both conditions concurrently.
Duration of Action
Up to 36 Hours
Known as the "weekend pill" due to its extended half-life compared to other PDE5 inhibitors, providing greater flexibility.
Dosage Forms
2.5mg, 5mg, 10mg, 20mg
Oral film-coated tablets tailored for either daily low-dose administration or PRN (as-needed) therapeutic protocols.
Prescription Required
Physician Consultation Mandatory
Strictly controlled prescription medication. Cannot be purchased online without individual urological assessment.
Administration
Oral Tablet (With/Without Food)
Absorption is unaffected by food intake, allowing normal dietary habits prior to administration.
Storage
15°C to 30°C (59°F to 86°F)
Store in original container away from excessive moisture, direct heat, and out of reach of children.
Approved Medical Uses
Tadalafil is an FDA-approved phosphodiesterase type 5 (PDE5) inhibitor prescribed for specific male urological conditions under specialist supervision.
Erectile Dysfunction (ED)
Treatment of erectile dysfunction in adult men. Facilitates vascular smooth muscle relaxation and increases blood flow to erectile tissue during sexual stimulation.
Clinical Observations:
- Sustained efficacy for up to 36 hours post-dose
- Effective in mild, moderate, and severe ED cases
- Improves erection hardness and maintenance capability
Benign Prostatic Hyperplasia (BPH)
Relief of lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia in men with enlarged prostate glands.
Clinical Observations:
- Relaxes smooth muscle in the prostate and bladder neck
- Reduces urinary urgency, frequency, and weak stream
- Suitable as daily low-dose monotherapy
Co-existing ED & BPH
Single-agent therapy for patients experiencing both erectile dysfunction and signs or symptoms of benign prostatic hyperplasia simultaneously.
Clinical Observations:
- Streamlines treatment into a once-daily regimen
- Addresses vascular and urinary tract smooth muscle function
- Eliminates need for separate medication protocols
Physician Assessment Required
The decision to prescribe Tadalafil for ED, BPH, or both is based on an individual patient's medical history, cardiovascular risk assessment, and urological diagnostics. Treatment protocols are personalized during direct consultation with our urology team.
Dosage & Administration Guidelines
Tadalafil dosing is tailored by urologists based on whether the therapeutic strategy calls for daily continuous coverage or on-demand administration.
Daily Low-Dose Regimen
2.5 mg – 5 mg Daily
Taken continuously at approximately the same time each day, regardless of sexual activity timing.
- Best For: Men desiring ongoing spontaneity or treating concurrent BPH/ED.
- Administration: Swallowed whole with water; unaffected by meal timings.
- Key Benefit: Maintains steady active plasma concentrations 24/7.
On-Demand Regimen
10 mg – 20 mg PRN
Administered prior to anticipated sexual activity. Maximum recommended frequency is once per day.
- Best For: Men seeking targeted treatment for occasional intimacy.
- Timing: Administer at least 30 to 60 minutes prior to activity.
- Efficacy Window: Remains active in systemic circulation for up to 36 hours.
Important Safety Considerations & Contraindications
Absolute Contraindication: Do NOT take Tadalafil if you are taking any form of organic nitrates (e.g., nitroglycerin, isosorbide) or nitric oxide donors, as this can trigger a life-threatening drop in blood pressure. Always inform your urologist in Pattaya about existing cardiac conditions or alpha-blocker therapy.
Comparing Tadalafil (On-Demand) with Other Modalities
Understand the unique clinical benefits, onset flexibility, and limitations of On-Demand Tadalafil (10mg/20mg) compared to daily dosing, Sildenafil, Alprostadil, and Li-ESWT.
| Clinical Parameter | Tadalafil On-Demand 10mg / 20mg (Episodic) | Tadalafil Daily 2.5mg / 5mg (Once Daily) | Sildenafil On-Demand 50mg / 100mg (Episodic) | Alprostadil (ICI) Intracavernosal Injection | Li-ESWT Low-Intensity Shockwave |
|---|---|---|---|---|---|
| Therapeutic Window | Up to 36 hours ("The Weekend Pill") | Continuous 24/7 coverage (after 3–5 days) | Short window (approx. 4–6 hours) | Predictable (approx. 30–60 minutes) | Long-term disease-modifying effect (not an acute medication) |
| Spontaneity & Planning | High flexibility; no rigid hour-by-hour scheduling required | Maximum spontaneity; zero advance planning required | Requires planning 30–60 minutes prior to intimacy | Requires administration 5–15 minutes prior to intimacy | Requires multiple in-clinic procedure sessions (6–12 protocol) |
| Food & Meal Interaction | No food interaction; fatty meals do not delay absorption | No food interaction | Absorption delayed/reduced when taken with heavy or high-fat meals | No interaction with meals | No interaction with meals |
| Mechanism of Action | PDE5 inhibition; enhances cGMP (requires intact libido & arousal) | Continuous low-dose PDE5 inhibition; improves endothelial function | PDE5 inhibition; enhances cGMP (requires intact libido & arousal) | Direct PGE1 (cAMP) activation; relaxes smooth muscle without libido | Acoustic wave stimulation triggering VEGF release & angiogenesis |
| Efficacy in Severe/Refractory ED | Moderate — requires functioning neurovascular pathways | Moderate — gradually aids vascular endothelium restoration | Moderate — requires functioning neurovascular pathways | Very High (80–90%); effective post-prostatectomy or nerve damage | Moderate; best for mild-to-moderate vasculogenic ED |
| Key Side Effect Profile | Headache, nasal congestion, myalgia (back/muscle pain), dyspepsia | Similar to On-Demand, but significantly lower intensity | Headache, facial flushing, dyspepsia, transient blue vision/cyanopsia | Penile pain, localized bruising, risk of priapism | Mild local discomfort during application; high safety profile |
Unmatched Flexibility Without Time Pressure
With a 36-hour therapeutic window, On-Demand Tadalafil removes the psychological anxiety of rigid "timer counting." Taken once, it supports spontaneous intimate moments across an entire weekend regardless of meal timing.
Longer Window & Zero Meal Restrictions
While Sildenafil works quickly for short windows, high-fat meals can severely delay its absorption. Tadalafil On-Demand absorbs consistently whether taken on an empty stomach or after dinner.
Episodic Efficiency for Occasional Intimacy
For patients engaging in sexual activity 1–2 times per week, On-Demand dosing (10mg/20mg) provides a cost-effective, targeted solution without daily medication adherence.
When to Consider Secondary Therapies
If maximum oral Tadalafil fails to produce adequate rigidity (e.g., due to severe nerve or vascular damage), Alprostadil (ICI) offers direct nerve-independent results, while Li-ESWT can help restore underlying microvasculature.