Men with erectile dysfunction can be treated with the medication vidalista black 80 mg. Tadalafil is a component in this pill. This medication acts by supplying the nerves with more blood flow. Take this medication before engaging in sexual activity with your partner to extend your sexual time together. You can take this medication both before and after a meal. You can take this medication with water as well. Avoid taking this medication with fatty meals or alcoholic beverages. Follow your doctor's advice when taking this medication. This medication takes 36 hours to take effect. Only guys who are at least eighteen years old can use this medication.