Cialis 20mg (30 tablets) – Original Eli Lilly (USA) manufactured, 36-hour efficacy 新加坡在线购买

Cialis (Tadalafil 20mg) Product Specifications and Instructions​

​Product Details​

​​[Brand Name]​: Cialis 20mg*30 tablets

​​[Active Ingredient]​: Tadalafil (Molecular formula: C₂₂H₁₉N₃O₄, Molar mass: 389.404 g/mol)

​​[Indications]​:

Treatment of ​male erectile dysfunction (ED)​, ​benign prostatic hyperplasia (BPH)​, and ​pulmonary arterial hypertension (PAH)​​

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Effective within ​30 minutes​ of administration, with a ​36-hour duration​ of action. Sexual stimulation is required for efficacy

​Not for use in women.

​Dosage and Administration​

​​[Standard Dosage]​:

​Adults:

Recommended initial dose: ​10mg, taken ​30 minutes before sexual activity​ (with or without food)

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If ineffective, increase to ​20mg​ (max daily dose: 20mg)

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Effects may persist for ​up to 36 hours, allowing spontaneity in sexual activity

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​Elderly: No dose adjustment required (same as adults)

​Renal Impairment:

​Mild to moderate: No adjustment.

​Severe: Max dose ​10mg​

​Hepatic Impairment:

​Mild to moderate: Dose ≤10mg.

​Severe (Child-Pugh C)​: Limited safety data; use with caution

​Efficacy and Usage​

​Mechanism: Enhances blood flow to the penis during sexual stimulation by inhibiting PDE5, promoting sustained erections

​Prostate Health:

​Low-dose (5mg daily)​: Approved for ​BPH treatment​ to improve urinary symptoms

​Altitude Sickness Prevention: Used off-label for ​pulmonary arterial hypertension​ (related to high-altitude hypoxia)

​Side Effects​

​​[Common]​:

Headache, muscle pain, facial flushing, nausea, indigestion

​​[Rare but Severe]​:

​Priapism​ (prolonged erection >4 hours): Requires immediate medical attention

Vision/hearing changes (e.g., sudden vision loss)

​Cardiovascular risks: Avoid in patients with uncontrolled hypertension or heart disease

​​[Management]​:

Side effects typically resolve as the drug metabolizes.

Reduce dose or discontinue if severe reactions occur; hydrate adequately

​Contraindications​

​Absolute: Concurrent use with ​nitrates​ (e.g., nitroglycerin) or ​alpha-blockers​

​Caution: History of heart disease, stroke, or retinal disorders

​Storage and Expiry​

​Shelf Life: 24 months.

​Storage: Keep in a cool, dry place away from light

​References:

: Chemical structure and properties of tadalafil.

: Clinical data on efficacy, dosing, and safety.

: Duration of action and user experiences.

: Contraindications and side effect profiles.

This translation consolidates key information with contextual accuracy and compliance with medical guidelines. Let me know if further adjustments are needed!