This brand name is authorized in Poland, South Africa
The drug ACTIGRA contains one active pharmaceutical ingredient (API):
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:
This drug has been assigned below unique identifiers within the countries it is being marketed:
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