Tadalafil is a prescribed medication that helps to treat erectile dysfunction in men and helps to achieve and maintain erection. It is FDA-approved and shows its effect within 30 minutes of its intake. Well, like most other medication ED pills, it has some effective compounds that, if mixed with alcohol, can cause some compilations to health. Mixing alcohol with tadalafil can cause side effects such as lightheadedness, facial flush, headaches, and many other side effects. For details, Read the Blog here.