275 In the index

Tadalafil TAD

An FDA-approved medication (Cialis) for erectile dysfunction and enlarged prostate, known for lasting much longer than similar drugs like Viagra. Extensive human research confirms its effectiveness and safety for both uses, with the same caution around certain heart medications as other drugs in its class.

Also known as Cialis, Ic351, ADCIRCA, IC 351, Tadalafilo, Tadalafil mylan, Trans-tadalafil

Effects Libido

Routes Oral

Legal status Prescription drug

WADA Not listed

3D Molecular Structure of C₂₂H₁₉N₃O₄

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Chemistry

Formula: C22H19N3O4
Molar mass: 389.4
CAS: 171596-29-5
PubChem CID: 110635
IUPAC name: (2R,8R)-2-(1,3-benzodioxol-5-yl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione
InChIKey: WOXKDUGGOYFFRN-IIBYNOLFSA-N

Reported dosing

Approved label

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 10 mg (as needed) or 2.5-5 mg/day (daily use)

Reported range 2.5-20 mg

Route Oral

Frequency As needed, or once daily (lower-dose formulation)

Duration As needed, or chronic/ongoing (daily-use formulation)

FDA-approved (Cialis) for erectile dysfunction and, at the daily-use dose, also for BPH symptoms.

Where this comes from FDA prescribing information

These figures are recorded for reference and are not a recommendation. Dosing is a decision for you and a clinician.