Common Side Effects of Vidalista 60 Vidalista 60 is a tadalafil-based medicine marketed for erectile dysfunction (ED). Tadalafil belongs to a group of medicines called phosphodiesterase type 5 (PDE5) inhibitors. It works by increasing blood flow to the penis when sexual stimulation occurs. Like other medicines, tadalafil can cause side effects. Most are mild and temporary, but some symptoms...