Vidalista tadalafil is used to treat problems related to male sexual function, such as erectile dysfunction. Phosphodiesterase type-5 is blocked by the medication, causing the smooth muscles to relax. Tadalafil is the medication's active ingredient. Usually, it is used to enhance erection maintenance for men by increasing blood flow during sexual activity. Some side effects of this medication include headache, flushing, indigestion, dizziness, bloody or hazy urine, light sensitivity, fuzzy or distorted vision, and painful urination. Never take more than one serving each day. A high-calorie diet could make the effects of the medicine wear off. The extra condition for which the medication is administered is pulmonary arterial hypertension.