This brand name is authorized in Brazil
The drug VIASIL contains one active pharmaceutical ingredient (API):
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1
Sildenafil
UNII BW9B0ZE037 - SILDENAFIL CITRATE
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Sildenafil is a potent and selective inhibitor of cyclic guanosine monophosphate (cGMP) specific phosphodiesterase type 5 (PDE5), the enzyme that is responsible for degradation of cGMP. Apart from the presence of this enzyme in the corpus cavernosum of the penis, PDE5 is also present in the pulmonary vasculature. Sildenafil, therefore, increases cGMP within pulmonary vascular smooth muscle cells resulting in relaxation. |
This drug has been classified in the anatomical therapeutic chemical (ATC) classification system as follows:
| ATC code | Group title | Classification |
|---|---|---|
| G04BE03 | Sildenafil | G Genito urinary system and sex hormones → G04 Urologicals → G04B Other urologicals, incl. antispasmodics → G04BE Drugs used in erectile dysfunction |
This drug has been assigned below unique identifiers within the countries it is being marketed:
| Country | Identification scheme | Identifier(s) |
|---|---|---|
| Country: BR | Câmara de Regulação do Mercado de Medicamentos | Identifier(s): 520733601118411, 520733602114411, 520733603110418, 520733604117416 |
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