
Cialis(Tadanafil)20mg Tablets CAS:171596-29-5
Cialis, also known by its active ingredient Tadalafil, is a prescription medication primarily used to treat erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH). Tadalafil belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors, which function by relaxing the smooth muscles in blood vessels, improving blood flow to specific body regions.
What is Cialis (Tadalafil)?
Cialis, also known by its active ingredient Tadalafil, is a prescription medication primarily used to treat erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH). Tadalafil belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors, which function by relaxing the smooth muscles in blood vessels, improving blood flow to specific body regions.
Introduced to the market in 2003, Cialis has gained substantial popularity due to its prolonged duration of action compared to other ED medications like Viagra (Sildenafil) and Levitra (Vardenafil).

Key Features of Cialis (Tadalafil)
●Extended Duration: Tadalafil's effects can last up to 36 hours, earning it the nickname "the weekend pill."
●Rapid Onset: It typically starts working within 30 minutes after ingestion, although some individuals may notice effects sooner.
●Versatile Dosing: Available in multiple strengths (2.5 mg, 5 mg, 10 mg, and 20 mg) for various treatment needs.
●Daily and As-Needed Use: Tadalafil can be taken daily at a lower dose or as-needed for more immediate effects.
●Minimal Dietary Impact: Unlike some other PDE5 inhibitors, Tadalafil is less affected by food intake, enhancing its convenience.
Applications of Cialis (Tadalafil)
Cialis is widely utilized in the following areas:
1.Erectile Dysfunction (ED): Tadalafil enhances blood flow to the penile tissues, allowing users to achieve and maintain a firm erection during sexual stimulation.
2.Benign Prostatic Hyperplasia (BPH): Tadalafil alleviates urinary symptoms such as frequent urination, urgency, and weak urine flow in men with enlarged prostates.
3.Pulmonary Arterial Hypertension (PAH): Tadalafil relaxes blood vessels in the lungs, improving overall blood flow and reducing the heart's workload in patients with PAH.
Benefits of Cialis (Tadalafil)
●Longer-Lasting Effects: The prolonged half-life of Cialis provides greater flexibility in timing intimacy, reducing the need to plan around medication.
●Improved Confidence: Users often experience enhanced confidence in sexual performance due to its reliable efficacy.
●Convenient Dosing Options: Both daily and as-needed regimens provide versatility for different lifestyles and preferences.
●Treatment of Two Conditions Simultaneously: In men with both ED and BPH, Cialis can address both issues with a single medication.
●Milder Side Effects Profile: Compared to some other PDE5 inhibitors, Tadalafil is associated with fewer severe side effects for many users.
Dosage and Administration
For Erectile Dysfunction (ED):
●As-Needed Dosage: A standard starting dose is 10 mg taken prior to anticipated sexual activity. Depending on individual response, this dose may be increased to 20 mg or reduced to 5 mg.
●Daily Dosage: For individuals seeking consistent sexual readiness, a daily dose of 2.5 mg to 5 mg is recommended.
For Benign Prostatic Hyperplasia (BPH):
●Daily Dose: Typically, 5 mg taken at the same time each day is advised.
●For Pulmonary Arterial Hypertension (PAH):
Dosage for PAH requires specialized guidance from a healthcare provider, often starting at 40 mg once daily.
Cycle Recommendations
●Short-Term Users (As-Needed): Individuals using Cialis occasionally should limit intake to no more than one dose per day.
●Long-Term Users (Daily Dosing): When used daily, the medication maintains stable blood concentration levels, ensuring consistent results without the need for timing intercourse precisely.
Half-Life of Cialis (Tadalafil)
Tadalafil has a prolonged half-life of approximately 17.5 hours, giving it a sustained duration of action of up to 36 hours. This extended effect is key to its reputation as a flexible and user-friendly ED treatment option.
Post-Cycle Therapy (PCT)
While Cialis itself does not require traditional PCT like anabolic steroids, some users integrating it with performance-enhancing substances may benefit from supportive therapies to maintain hormonal balance.
Recommended PCT Support (if applicable):
●Nolvadex (Tamoxifen): Helps restore hormonal equilibrium after a cycle involving testosterone suppression.
●Clomid (Clomiphene): Commonly used to stimulate natural testosterone production post-cycle
Potential Side Effects
While generally well-tolerated, some users may experience side effects, including:
●Headaches
●Flushing
●Nasal congestion
●Back or muscle pain
●Indigestion or heartburn
More severe side effects like sudden vision loss, chest pain, or prolonged erections (priapism) are rare but require immediate medical attention.
Precautions and Contraindications
●Heart Conditions: Individuals with severe heart conditions or unstable blood pressure should consult a healthcare provider before use.
●Medication Interactions: Tadalafil may interact negatively with nitrates, alpha-blockers, and certain antihypertensives.
●Liver or Kidney Impairment: Dosage adjustments may be required for individuals with organ dysfunction.
Clinical data
|
Trade names |
Cialis, Cidala, Adcirca,Tadalafil |
|
CAS |
171596-29-5 |
|
Molar mass |
389.41 |
|
Formula |
C22H19N3O4 |
|
Purity |
Above 98% |
|
Apprarance |
20mg*100 |
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Conclusion
Cialis (Tadalafil) is a powerful and versatile medication renowned for its long-lasting effects and flexible dosing options. Whether for treating ED, BPH, or PAH, Tadalafil offers a trusted solution with a strong safety profile. Users seeking improved sexual performance or relief from urinary issues can benefit greatly from Tadalafil when used responsibly under professional guidance.
When considering Cialis, consultation with a healthcare provider is essential to ensure safe and effective use tailored to individual health conditions and lifestyle preferences.
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