Daily and as-needed tadalafil are different regimens. Cardiovascular status, nitrates, alpha-blockers and kidney/liver function must be reviewed.
Prescription ingredient
Sexual health & pigmentation
Tadalafil
A prescription PDE5 inhibitor used in authorized products for erectile dysfunction, benign prostatic hyperplasia and pulmonary hypertension under distinct regimens.
Tadalafil20 mg
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ClassificationLong-acting PDE5 inhibitor
Catalogue strength20 mg
Current contextPrescription ingredient
What it is
A prescription PDE5 inhibitor used in authorized products for erectile dysfunction, benign prostatic hyperplasia and pulmonary hypertension under distinct regimens.
Its catalogue classification is long-acting pde5 inhibitor. Status and formulation matter: a research-labelled vial is not automatically equivalent to an authorized prescription medicine containing a similarly named ingredient.
What it is studied or used for
- Erectile dysfunction
- Benign prostatic hyperplasia
- Pulmonary arterial hypertension
A research topic is not proof of a health benefit. Evidence can range from cell and animal models to controlled human trials, and those levels should not be treated as equivalent.
How it is used or administered
Authorized route and schedule depend on the exact prescription product, indication and patient. Use only when prescribed and dispensed by qualified professionals.
Dosing context for men and women
Tadalafil is not generally authorized for female sexual dysfunction. Pulmonary-hypertension treatment is specialist-directed and formulation-specific.
Why no universal number? Dose depends on the exact formulation, legal status, indication, concentration, patient factors and monitoring. Publishing a single male or female number would be misleading and unsafe.
Active shelf life and storage
Follow the printed expiry and the dispensing label. Shelf life cannot be transferred between brands, concentrations, compounded products or reconstituted preparations.
Follow the manufacturer and pharmacy label for the exact dispensed formulation. Temperature limits can differ between tablets, creams and injectable products.
What it may be paired with
Never pair with nitrates or riociguat. Combining with sildenafil, other PDE5 inhibitors, alpha-blockers or substantial alcohol can cause dangerous hypotension.
Safety boundary
The presence of an approved active ingredient does not establish that every formulation or seller is authorized.
Continue with primary sources
Evidence and regulatory status change. Verify the exact active ingredient, formulation and jurisdiction before drawing conclusions.
Product availability
View Tadalafil on the main site ↗
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