Tadalafildrug info
tadalafil 20 MG Oral Tablet [Cialis]
What it is used for
CIALIS ® is a phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of: erectile dysfunction (ED) the signs and symptoms of benign prostatic hyperplasia (BPH) ED and the signs and symptoms of BPH (ED/BPH) If CIALIS is used with finasteride to initiate BPH treatment, such use is recommended for up to 26 weeks.
1.1 Erectile
Dysfunction CIALIS ® is indicated for the treatment of erectile dysfunction (ED).
1.2 Benign Prostatic
Hyperplasia CIALIS is indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH).
1.3 Erectile
Dysfunction and Benign Prostatic Hyperplasia CIALIS is indicated for the treatment of ED and the signs and symptoms of BPH (ED/BPH).
1.4 Limitation of
Use If CIALIS is used with finasteride to initiate BPH treatment, such use is recommended for up to 26 weeks because the incremental benefit of CIALIS decreases from 4 weeks until 26 weeks, and the incremental benefit of CIALIS beyond 26 weeks is unknown.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective June 3, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
CIALIS (tadalafil) is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the empirical formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.41.
The structural formula is: The chemical designation is pyrazino[1´,2´:1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-. It is a crystalline solid that is practically insoluble in water and very slightly soluble in ethanol. CIALIS is available as almond-shaped tablets for oral administration. Each tablet contains 5, 10, or 20 mg of tadalafil and the following inactive ingredients: croscarmellose sodium, hydroxypropyl cellulose, hypromellose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin. Chemical Structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective June 3, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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