Tadalista 5 contains the medication tadalafil. It is an effective medicine for treating erectile dysfunction in men. By relaxing blood arteries, it helps to increase blood flow to the penis. Headache, nausea, lightheadedness, blurred vision, flushing (redness and warmth), etc. are some of the possible adverse effects. You can follow your doctor's advice and take it with or without food. The recommended time to take the tablet is between 30-60 minutes before having sex. Alcohol can cause vertigo, so try to avoid or drink in moderation while receiving therapy.