Tadalafil tablets are taken about 30 to 60 minutes before sex. Tadalafil tablets are a western, prescription drug. It is used to treat erectile dysfunction in men and requires sexual stimulation for the product to work. This product should be taken about 30 to 60 minutes before sex, and sexual stimulation is needed to make this medication work; food does not affect the absorption of the medication. Adverse effects of the drug include dizziness, palpitations (rapid heartbeat, often accompanied by panic), facial flushing, abdominal pain, and back pain. It is contraindicated in people who are allergic to it; in patients who have had a myocardial infarction within the last 90 days, in patients with heart disease for whom sexual intercourse is not recommended, in patients with unstable angina. Tadalafil tablets should be taken in strict accordance with medical advice.