Talking specifically, Vidalista 60 mg is a drug that facilitates the erection of the penis thus, overcoming Erectile Dysfunction.
This also gives the title of counter ED drug to Vidalista 60 Tablets.
Scientifically Vidalista 60 is a PDE5 (phosphodiesterase type 5) inhibitor. The name tells us that Vidalista 60 is an anti-PDE5 drug.
The exact reason is discussed in the working mechanism of the drug.
Vidalista 60 is a prescription-based drug, therefore using it by overlooking the prescription will invite hazardous consequences.