Vidalista is generally considered safe for most men with erectile dysfunction (ED) when taken as prescribed by a doctor. It contains tadalafil, which increases blood flow to help achieve and maintain an erection.  Before using Vidalista, talk to your doctor if you have any health issues like heart disease or take medicines such as nitrates, or have low blood pressure. Common side effects include headache, back pain, muscle aches, and indigestion. Serious side effects are rare but possible. Never take more than the recommended dose, and avoid drinking too much alcohol while taking Vidalista. Looking at how Vidalista 60 compares to Viagra for ED? Ask your doctor which option is best for you.